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Very possibly an equatorial may be needed. This instrument set to the observed latitude, gives the meridian of the place. In the lunar observations at sea this element cannot be had, and in Europe by land, these observations are not resorted to for longitudes, because at their numerous fixed observations they are prepared for the better method of Jupiter's satellites. But here, where our geography is still to be fixed by a portable apparatus only, we are obliged to resort, as at sea, to the lunar observations, with the advantage, however, of a fixed meridian. And although the use of a meridian in these observations is a novelty, yet, placed under new circumstances, we must countervail their advantages by whatever new resources they offer. It is obvious that the observed distance of the moon from the meridian of the place, and her calculated distance from that of Greenwich at the same instant, give the difference of meridians, without dependence on any measure of time; by addition of the observations, if the moon be between the two meridians, by subtraction if east or west of both; the association, therefore, of this instrument with the circular one, by introducing another element, another process and another instrument, furnishes a test of the observations with the Hadley, adds to their certainty, and, by its corroborations, dispenses with that multiplication of observations which is necessary with the Hadley when used alone. This idea, however, is suggested by theory only; and it must be left to the judgment of the observer who will be employed, whether it would be practicable and useful. To him, when known, I shall be glad to give further explanations. The cost of the equatorial is about the same with that of the circle, when of equal workmanship.

Both the surveyor and astronomer should journalize their proceedings daily, and send copies of their journals monthly to the Executive, as well to prevent loss by accident, as to make known their progress.

IV. Mineralogical Survey.—I have never known in the United States but one eminent mineralogist, who could have been engaged on hire. This was a Mr. Goudon from France, who came over to Philadelphia six or seven years ago. Being zealously devoted to the science, he proposed to explore the new field which this country offered; but being scanty in means, as I understood, he meant to give lectures in the winter which might enable him to pass the summer in mineralogical rambles. It is long since I have heard his name mentioned, and therefore do not know whether he is still at Philadelphia, or even among the living. The literary gentlemen of that place can give the information, or perhaps point out some other equal to the undertaking.

I believe I have now, Sir, gone over all the subjects of your letter,—which I have done with less reserve to multiply the chances of offering here and there something which might be useful. Its greatest merit, however, will be that of evidencing my respect for your commands, and of adding to the proofs of my great consideration and esteem.

TO M. DUPONT DE NEMOURS

Poplar Forest, April 24, 1816.

I received, my dear friend, your letter covering the constitution for your Equinoctial republics, just as I was setting out for this place. I brought it with me, and have read it with great satisfaction. I suppose it well formed for those for whom it was intended, and the excellence of every government is its adaptation to the state of those to be governed by it. For us it would not do. Distinguishing between the structure of the government and the moral principles on which you prescribe its administration, with the latter we concur cordially, with the former we should not. We of the United States, you know, are constitutionally and conscientiously democrats. We consider society as one of the natural wants with which man has been created; that he has been endowed with faculties and qualities to effect its satisfaction by concurrence of others having the same want; that when, by the exercise of these faculties, he has procured a state of society, it is one of his acquisitions which he has a right to regulate and control, jointly indeed with all those who have concurred in the procurement, whom he cannot exclude from its use or direction more than they him. We think experience has proved it safer, for the mass of individuals composing the society, to reserve to themselves personally the exercise of all rightful powers to which they are competent, and to delegate those to which they are not competent to deputies named, and removable for unfaithful conduct, by themselves immediately. Hence, with us, the people (by which is meant the mass of individuals composing the society) being competent to judge of the facts occurring in ordinary life, they have retained the functions of judges of facts, under the name of jurors; but being unqualified for the management of affairs requiring intelligence above the common level, yet competent judges of human character, they chose, for their management, representatives, some by themselves immediately, others by electors chosen by themselves. Thus our President is chosen by ourselves, directly in practice, for we vote for A as elector only on the condition he will vote for B, our representatives by ourselves immediately, our Senate and judges of law through electors chosen by ourselves. And we believe that this proximate choice and power of removal is the best security which experience has sanctioned for ensuring an honest conduct in the functionaries of society. Your three or four alembications have indeed a seducing appearance. We should conceive, primá facie, that the last extract would be the pure alcohol of the substance, three or four times rectified. But in proportion as they are more and more sublimated, they are also farther and farther removed from the control of the society; and the human character, we believe, requires in general constant and immediate control, to prevent its being biased from right by the seductions of self-love. Your process produces therefore a structure of government from which the fundamental principle of ours is excluded. You first set down as zeros all individuals not having lands, which are the greater number in every society of long standing. Those holding lands are permitted to manage in person the small affairs of their commune or corporation, and to elect a deputy for the canton; in which election, too, every one's vote is to be an unit, a plurality, or a fraction, in proportion to his landed possessions. The assemblies of cantons, then, elect for the districts; those of districts for circles; and those of circles for the national assemblies. Some of these highest councils, too, are in a considerable degree self-elected, the regency partially, the judiciary entirely, and some are for life. Whenever, therefore, an esprit de corps, or of party, gets possession of them, which experience shows to be inevitable, there are no means of breaking it up, for they will never elect but those of their own spirit. Juries are allowed in criminal cases only. I acknowledge myself strong in affection to our own form, yet both of us act and think from the same motive, we both consider the people as our children, and love them with parental affection. But you love them as infants whom you are afraid to trust without nurses; and I as adults whom I freely leave to self-government. And you are right in the case referred to you; my criticism being built on a state of society not under your contemplation. It is, in fact, like a critic on Homer by the laws of the Drama.

But when we come to the moral principles on which the government is to be administered, we come to what is proper for all conditions of society. I meet you there in all the benevolence and rectitude of your native character; and I love myself always most where I concur most with you. Liberty, truth, probity, honor, are declared to be the four cardinal principles of your society. I believe with you that morality, compassion, generosity, are innate elements of the human constitution; that there exists a right independent of force; that a right to property is founded in our natural wants, in the means with which we are endowed to satisfy these wants, and the right to what we acquire by those means without violating the similar rights of other sensible beings; that no one has a right to obstruct another, exercising his faculties innocently for the relief of sensibilities made a part of his nature; that justice is the fundamental law of society; that the majority, oppressing an individual, is guilty of a crime, abuses its strength, and by acting on the law of the strongest breaks up the foundations of society; that action by the citizens in person, in affairs within their reach and competence, and in all others by representatives, chosen immediately, and removable by themselves, constitutes the essence of a republic; that all governments are more or less republican in proportion as this principle enters more or less into their composition; and that a government by representation is capable of extension over a greater surface of country than one of any other form. These, my friend, are the essentials in which you and I agree; however, in our zeal for their maintenance, we may be perplexed and divaricate, as to the structure of society most likely to secure them.

In the constitution of Spain, as proposed by the late Cortes, there was a principle entirely new to me, and not noticed in yours, that no person, born after that day, should ever acquire the rights of citizenship until he could read and write. It is impossible sufficiently to estimate the wisdom of this provision. Of all those which have been thought of for securing fidelity in the administration of the government, constant ralliance to the principles of the constitution, and progressive amendments with the progressive advances of the human mind, or changes in human affairs, it is the most effectual. Enlighten the people generally, and tyranny and oppressions of body and mind will vanish like evil spirits at the dawn of day. Although I do not, with some enthusiasts, believe that the human condition will ever advance to such a state of perfection as that there shall no longer be pain or vice in the world, yet I believe it susceptible of much improvement, and most of all, in matters of government and religion; and that the diffusion of knowledge among the people is to be the instrument by which it is to be effected. The constitution of the Cortes had defects enough; but when I saw in it this amendatory provision, I was satisfied all would come right in time, under its salutary operation. No people have more need of a similar provision than those for whom you have felt so much interest. No mortal wishes them more success than I do. But if what I have heard of the ignorance and bigotry of the mass be true, I doubt their capacity to understand and to support a free government; and fear that their emancipation from the foreign tyranny of Spain, will result in a military despotism at home. Palacios may be great; others may be great; but it is the multitude which possesses force; and wisdom must yield to that. For such a condition of society, the constitution you have devised is probably the best imaginable. It is certainly calculated to elicit the best talents; although perhaps not well guarded against the egoism of its functionaries. But that egoism will be light in comparison with the pressure of a military despot, and his army of Janissaries. Like Solon to the Athenians, you have given to your Columbians, not the best possible government, but the best they can bear. By-the-bye, I wish you had called them the Columbian republics, to distinguish them from our American republics. Theirs would be the most honorable name, and they best entitled to it; for Columbus discovered their continent, but never saw ours.

To them liberty and happiness; to you the meed of wisdom and goodness in teaching them how to attain them, with the affectionate respect and friendship of,

TO MR. FR. ADR. VANDERKEMP

Poplar Forest, April 25, 1816.

Sir,—Your favor of March 24th was handed to me just as I was setting out on a journey of time and distance, which will explain the date of this both as to time and place. The Syllabus, which is the subject of your letter, was addressed to a friend to whom I had promised a more detailed view. But finding I should never have time for that, I sent him what I thought should be the outlines of such a work; the same subject entering sometimes into the correspondence between Mr. Adams and myself, I sent him a copy of it. The friend to whom it had been first addressed, dying soon after, I asked from his family the return of the original, as a confidential communication, which they kindly sent me. So that no copy of it, but that in the possession of Mr. Adams, now exists out of my own hands. I have used this caution lest it should get out in connection with my name; and I was unwilling to draw on myself a swarm of insects, whose buzz is more disquieting than their bite. As an abstract thing, and without any intimation from what quarter derived, I can have no objection to its being committed to the consideration of the world. I believe it may even do good by producing discussion, and finally a true view of the merits of this great reformer. Pursuing the same ideas after writing the Syllabus, I made, for my own satisfaction, an extract from the Evangelists of his morals, selecting those only whose style and spirit proved them genuine, and his own; and they are as distinguishable from the matter in which they are imbedded as diamonds in dunghills. A more precious morsel in ethics was never seen. It was too hastily done, however, being the work of one or two evenings only, while I lived at Washington, overwhelmed with other business, and it is my intention to go over it again at more leisure. This shall be the work of the ensuing winter. I gave it the title of "the Philosophy of Jesus extracted from the text of the Evangelists." To this Syllabus and extract, if a history of his life can be added, written with the same view of the subject, the world will see, after the fogs shall be dispelled, in which for fourteen centuries he has been enveloped by jugglers to make money of him, when the genuine character shall be exhibited, which they have dressed up in the rags of an imposter, the world, I say, will at length see the immortal merit of this first of human sages. I rejoice that you think of undertaking this work. It is one I have long wished to see written of the scale of a Laertius or a Nepos. Nor can it be a work of labor, or of volume, for his journeyings from Judea to Samaria, and Samaria to Galilee, do not cover much country; and the incidents of his life require little research. They are all at hand, and need only to be put into human dress; noticing such only as are within the physical laws of nature, and offending none by a denial or even a mention of what is not. If the Syllabus and Extract (which is short) either in substance, or at large, are worth a place under the same cover with your biography, they are at your service. I ask one only condition, that no possibility shall be admitted of my name being even intimated with the publication. If done in England, as you seem to contemplate, there will be the less likelihood of my being thought of. I shall be much gratified to learn that you pursue your intention of writing the life of Jesus, and pray you to accept the assurances of my great respect and esteem.

TO M. CORREA DE SERRA

Poplar Forest, April 26, 1816.

Dear Sir,—Your favor of March 29th was received, just as I was setting out for this place. I brought it with me to be answered hence. Since you are so kind as to interest yourself for Captain Lewis' papers, I will give you a full statement of them.

1. Ten or twelve such pocket volumes, morocco bound, as that you describe, in which, in his own hand-writing, he had journalized all occurrences, day by day, as he travelled. They were small 8vos, and opened at the end for more convenient writing. Every one had been put into a separate tin case, cemented to prevent injury from wet, but on his return the cases, I presume, had been taken from them, as he delivered me the books uncased. There were in them the figures of some animals, drawn with the pen while on his journey. The gentleman who published his travels must have had these MS. volumes, and perhaps now has them, or can give some account of them.

2. Descriptions of animals and plants. I do not recollect whether there was such a book or collection of papers, distinct from his journal, although I am inclined to think there was one: because his travels as published, do not contain all the new animals of which he had either descriptions or specimens. Mr. Peale, I think, must know something of this, as he drew figures of some of the animals for engraving, and some were actually engraved. Perhaps Conrad, his bookseller, who was to have published the work, can give an account of these.

3. Vocabularies. I had myself made a collection of about forty vocabularies of the Indians on this side of the Mississippi, and Captain Lewis was instructed to take those of every tribe beyond, which he possibly could. The intention was to publish the whole, and leave the world to search for affinities between these and the languages of Europe and Asia. He was furnished with a number of printed vocabularies of the same words and form I had used, with blank spaces for the Indian words. He was very attentive to this instruction, never missing an opportunity of taking a vocabulary. After his return, he asked me if I should have any objection to the printing his separately, as mine were not yet arranged as I intended. I assured him I had not the least; and I am certain he contemplated their publication. But whether he had put the papers out of his own hand or not, I do not know. I imagine he had not; and it is probable that Doctor Barton, who was particularly curious on this subject, and published on it occasionally, would willingly receive and take care of these papers after Captain Lewis' death, and that they are now among his papers.

4. His observations of longitude and latitude. He was instructed to send these to the War-Office, that measures might be taken to have the calculations made. Whether he delivered them to the War-Office, or to Dr. Patterson, I do not know, but I think he communicated with Dr. Patterson concerning them. These are all important, because although, having with him the nautical almanacs, he could and did calculate some of his latitudes, yet the longitudes were taken merely from estimates by the log-line, time, and course. So that it is only as latitudes that his map may be considered as tolerably correct; not as to its longitudes.

5. His Map. This was drawn on sheets of paper, not put together, but so marked that they could be joined together with the utmost accuracy; not as one great square map, but ramifying with the courses of the rivers. The scale was very large, and the sheets numerous, but in perfect preservation. This was to await publication, until corrected by the calculations of longitude and latitude. I examined these sheets myself minutely, as spread on a floor, and the originals must be in existence, as the map published with his travels must have been taken from them.

These constitute the whole. They are the property of the government, the fruits of the expedition undertaken at such expense of money, and risk of valuable lives. They contain exactly the whole of the information which it was our object to obtain, for the benefit of our own country and of the world. But we were willing to give to Lewis and Clarke whatever pecuniary benefits might be derived from the publication, and therefore left the papers in their hands, taking for granted that their interests would produce a speedy publication, which would be better if done under their direction. But the death of Captain Lewis, the distance and occupations of General Clarke, and the bankruptcy of their bookseller, have retarded the publication, and rendered it necessary that the government should attend to the reclamation and security of the papers; their recovery is now become an imperious duty. Their safest deposit, as fast as they can be collected, will be the Philosophical Society, who no doubt will be so kind as to receive and preserve them, subject to the orders of government; and their publication once effected in any way, the originals will probably be left in the same deposit. As soon as I can learn their present situation, I will lay the matter before the government to take such order as they think proper. As to any claims of individuals to these papers, it is to be observed that, as being the property of the public, we are certain neither Lewis nor Clarke would undertake to convey away the right to them, had they been capable of intending it. Yet no interest of that kind is meant to be disturbed, if the individual can give satisfactory assurance that he will promptly and properly publish them; otherwise they must be restored to the government, and the claimant left to settle with those on whom he has any claim. My interference, will, I trust, be excused, not only from the portion which every citizen has in whatever is public, but from the peculiar part I have had in the design and execution of this expedition.

To you, my friend, apology is due for involving you in the trouble of this inquiry. It must be found in the interest you take in whatever belongs to science, and in your own kind offers to me of aid in this research. Be assured always of my affectionate friendship and respect.