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ber distinctly the evident pleasure with which Percival listened to the chorus of organ tones and rich cultivated voices. In general, however, his appreciation of music was subordinate to his study of syllabic movement in versification; and it was with reference chiefly to poetic measure, I have been told, that he acquired what mastery he had over the accordion and guitar.

Percival's favorite topics, when evening came and we rested from our stony labors, were the modern languages and the philosophy of universal grammar. They seemed to have filled the niches in his heart, from which he had banished, or tried to banish, the Muses. The subtile refinements of Bopp were a perpetual luxury to him; he derived language from language as easily as word from word; and, once started in the intricacies of the Russian or the Basque, there was no predicting the end of the discourse. Thus were thrown away, upon a solitary listener, midnight lectures which would have done honor to the class-rooms of Berlin or the Sorbonne. In looking at such an instance of intellectual pleasure and acumen, as connected in no small degree with the study of foreign languages, one cannot avoid associating together the unsolved mystery of that discrepancy of tongues prevailing in different countries with the disagreeing floras and faunas of the same regions, each diversity bearing alike the unmistakable marks of Omnipotent design for the happiness and improvement of man.

The perfection of his memory was amazing. During the year following the survey, when we had frequent occasion to compare recollections, I observed that no circumstance of our labors was shadowy or incomplete in his memory. He could refer to every trifling incident of the tour, recall every road and path that we had followed, every field and ledge that we had examined, particularize the day of the week on which we had dined or supped at such a tavern, and mention the name of the landlord. I asked him how he was able to remember such minu

tiæ. He replied, that it was his custom, on going to bed, to call up, in the darkness and stillness, all the incidents of the day's experience, in their proper order, and cause them to move before him like a diorama through a spiritual morning, noon, and evening. "It has often appeared to me," he said, “that in this purely mental process I see objects more distinctly than I behold them in the reality.”

But his memory doubtless gained an immense additional advantage from his habitual seclusion, from his unconcern with the distracting customs of society, and, most of all, from the imperturbable abstraction under which he studied and observed. With him there was no blending of collateral subjects, no permitted intrusion of things irrelevant or trivial, so that the channels of his thoughts were always single, deep, and traceable. It was a mental straightforwardness and conscientiousness, as rare, perhaps, as moral rectitude itself.

In diet, Percival was the most abstemious person I ever knew. His health was uniformly good, the specimens of a geologist, when he collects them himself, being as favorable to digestion and appetite as the pebbles to a chicken; yet, I am persuaded, my companion in no case violated the golden rule of leaving the table unsated. No matter how long had been his fast, he showed no impatience of hunger, made no remark upon the excellence of any dish, found fault with nothing, or, at most, only seemed to miss drinkable coffee and good bread, articles seldom to be met with in the country. He ate slowly, selecting his food with the discrimination which ought to belong to a chemist or physiologist, and then thought no more about it. holic drinks he never tasted, except an occasional glass of wine, to which his attention perhaps had been called on account of its age or superior excellence. Even then it was not the flavor which interested him, so much as the history, geographical and other.

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Peculiar as he was in his own habits of diet, he offered no strictures upon the

practice of others, however different, unless it ran into hurtful excesses. The maxim of Epictetus in the "Enchiridion," "Never preach how others ought to eat, but eat you as becomes you," seemed to be his rule. Indeed, Percival was one of those rare men who withhold alike censure and praise respecting the minor matters of life. Not that he was without opinions on such subjects; but, to obtain them, one was forced to question him. On the whole, I do not think it would be going too far to apply to him the above-named moralist's description of the wise man :"He reproves nobody, praises nobody, blames nobody, nor even speaks of himself; if any one praises him, in his own mind he contemns the flatterer; if any one reproves him, he looks with care that he be not unsettled in the state of tranquillity that he has entered into. All his desires depend on things within his power; he transfers all his aversions to those things which Nature commands us to avoid. His appetites are always moderate. He is indifferent whether he be thought foolish or ignorant. He observes himself with the nicety of an enemy or a spy, and looks on his own wishes as betrayers."

Percival's solitary habits, combined with the invariable seriousness of his manner, led many persons to believe him melancholy, and even disposed to suicide. He did, indeed, confess to me, that he sometimes felt giddy on the edge of a precipice. This was his nearest approach, I am confident, to the idea of self-destruction. While we were examining the great iron furnaces of Salisbury, he told me that he was afraid of walking near the throat of a chimney when in blast, and that more than once he had turned and run from the lurid, murky orifice, lest a sudden failure of self-control should cause him to reel into the consuming abyss. No, Percival neither felt nor expressed disgust with life. On the contrary, he was strongly attached to it; the acquisition of knowledge clothed it with inexpressible value; the longest day was ever too short to fulfil his designs. Like the

wise, laborious men of all ages, he almost repined at the swiftness of the years. "I am amazed at the flight of time,” he said to me, on the arrival of his forty-second birthday; "it seems only a year since I was thirty-two;-I have lost ten years of my life."

Before entering upon the survey of Connecticut, he was not specially devoted to any one branch of physics, although his tastes inclined him most toward geology. While he could sympathize perfectly, he said, with those who threw their whole force into a single study, he felt himself attracted equally by the entire circle of Nature, and thought omniscience a nobler object of ambition than any one science. He admitted that the search after all knowledge is incompatible with eminence in any particular department: but he believed that it affords higher pleasure to the mind, and confers ability to do signal service to mankind in pointing out the grand connections, the general laws, of Nature.

It is not, perhaps, widely known, that Percival was a well-informed botanist. He studied this branch when a medical student under Professor Ives, and assisted his instructor in laying out a small botanical garden, the plants of which were arranged after the natural orders of Jussieu. Soon after finishing his medical education, he gave a course of lectures on botany in Charleston, South Carolina, before a very select audience, composed mostly of ladies. The only drawback to the lecturer's success was his excessive timidity. As an evidence of the assiduity with which he botanized, it may be mentioned that he had seen the Geranium Robertianum (a plant which nestles in the sunny clefts of our trap mountains) in bloom, during every month of the year. One year he found its blossoms in December, another in January, and so on, until the round of the monthly calendar was completed.

Percival was an earnest advocate of popular education. He manifested much interest in the first systematic attempt (at the instance of Mr. James Brewster) to

furnish the people of New Haven with popular instruction in the form of lectures. At a public dinner, given by Mr. Brewster, on the occasion of opening the building in which rooms had been fitted up for these lectures, the late Mr. Skinner gave the toast, "Our mechanics, the right arm of New Haven," and Percival followed with, "Science, the right eye which directs the right arm of New Haven." He believed most fully in the superiority of intelligent labor. He pointed out cases in which college-training had been connected with signal eminence in mechanical invention, and said, that, according to his observations, persons engaged in industrial pursuits usually succeeded in proportion to the thoroughness of their education.

Percival himself gave a course of lectures, or rather, lessons, in New Haven, -not in the building above mentioned, for his natural timidity was too great to encounter a public audience, but in the theological lecture-room of Yale College. They were on the German language, and consisted chiefly of translations of prose and poetry into English, intermingled with philosophical commentaries on the peculiarities of the original. It was pure grammar; he did not talk German, and claimed no acquaintance with the niceties of pronunciation; but all his listeners, most of whom were graduates, were struck with his perfect mastery of the subject.

Percival held one peculiar opinion concerning a branch of college education. He objected to the modern practice of teaching the natural sciences by means of a profusion of drawings, models, showy experiments, and other expedients addressing the mind so strongly through the eye. While these might be allowable in popular lectures, before audiences lacking in early intellectual discipline, where amusement was a consideration, and where without it the public ear could not be secured, he thought that the collegian should study differently,that his understanding should be taxed severely, and that he should be inured,

from the first, to rigid attention, in order to a lasting remembrance of the truths offered to him. It would be a useful exercise for the instructor, he thought, to elucidate obscure phenomena and complicated structures by words only, assisting himself, perhaps, occasionally, by extemporaneous drawings. Such a course would inspire the scholar with deference for his teacher, and confidence in his own ability to acquire a similar grasp of the subject. While there is certainly some truth in this opinion, it would not be difficult, perhaps, to invalidate its general force. Why should the ear be the only admitted means of acquiring knowledge? Nature, the greatest of teachers, does not judge thus: she conveys half her wisdom to us by sight, instead of by faith; she gives her first lessons to the infant through the eye. Would Percival, in looking for his attentive audiences, have preferred a congregation of blind men ?

Speaking of literary composition, he said that he often took great pains with his productions, shifting words and phras es in many ways, before satisfying himself that he had attained the best form of expression; and he assured me that these slowly elaborated passages were the very ones in which he afterwards recognized the most ease and nature, and which others supposed him to have thrown off carelessly. I asked him how it was that children, in their unpremeditated way, expressed themselves with so much directness and beauty. They have but a single idea to present at a time, he said; they seize without hesitation on the first words that offer for its expression, unperplexed by any such choice of terms as would surely occur to maturer minds; and most important of all, perhaps, they are wholly unembarrassed by limiting qualifications arising from a fuller knowledge of the subject.

His prose style is a rare exemplification of classic severity and perspicuousness. In each paragraph the ideas arrange themselves in faultless connection, like the molecules of a crystal

around its centre. The sentences are not long, the construction is simple, the words are English in its purity, without admixture of foreign phrase or idiom. But the most striking peculiarity of his diction is the utter absence of ornament; for Percival evidently held that the chief merits of composition are clearness and directness. Poetic imagery, brilliant climaxes and antitheses, fanciful or grotesque turns of expression, he rejected as unfavorable to that simple truth for which he studied and wrote. This dry, almost mathematical style, was no necessity with him; few men, surely, have had at command a richer vocabulary, English and foreign, than Percival; few could have adorned thought with more or choicer garlands from the fields of knowledge and imagination.

To letter-writing he had a great aversion. I have never seen a letter or note from him to which his signature was attached. The autograph-fanciers, therefore, will find a scanty harvest when they come to forage after the name of Percival.

His handwriting corresponded in some sense with his character. It was fine; the lines straight and parallel; the letters completely formed, though without fulness of curve; no flourishes, and no unnecessary prolongations of stroke, above or below the general run of the line. There were few erasures, the punctuation was perfect, and the manuscript was fit for the press as it left his hand.

Literary criticism he rarely indulged in, being too disinclined to praise or blame, and too intensely devoted to the acquisition of positive knowledge. If he commented severely upon anything, it was usually the slovenly diction of some of our State Surveys, or the inaccuracies of translations from foreign languages.

His only published criticism, of which I am aware, was discharged at a phrenological lecturer, whose extraordinary assumptions and ad-captandum style had excited his disgust. Percival did not reverence the science of bumps, and be

lieved, in the words of William Von Humboldt, that "it is one of those discoveries which, when stripped of all the charlatanerie that surrounds them, will show but a very meagre portion of truth." Dr. Barber, an Englishman, and a somewhat noted teacher of elocution, having been converted to the phrenological faith, delivered certain magniloquent lectures on the same to the citizens of New Haven, and took pay therefor, after the manner of his sect. Percival responded with a sharp newspaper pasquinade, entitled "A Lecture on Nosology." At the head of the article was a wood-cut of a gigantic nose, mapped out into faculties.

"Gentlemen, the nose is the most prominent feature in this bill," commenced the parody. "The nose is the true seat of the mind; and therefore, gentlemen, Nosology, or the science of the nose, is the true phrenology. He, who knows his nose, foreknows; for he knows that which is before him. Therefore Nosology is the surest guide to conduct. Whatever progress an individual may make, his nose is always in advance. But society is only a congeries of individuals; consequently its nose is always in advance, therefore its proper guide. The nose, rightly understood, will assuredly work wonders in the cause of improvement; for it is always going ahead, always first in every undertaking, always soonest at the goal. The ancients did not neglect the nose. Look at their busts and statues! What magnification and abduction in Jove! What insinuation and elongation in the Apollo! Then vous (intellect) was surely the nose,-yvoor (knowledge) noses, Μίνως my nose. What intussusception, what potation, and, as a necessary consequence, alas! what rubification! But I have seen such noses. Beware of them!-they are bad noses,very bad noses, I assure you...... Do not, I pray you, consider me irreverent, if I say that Nosology will prove highly favorable to the cause of religion. This is indeed an awful subject, and I would not touch it on slight grounds; but I sincerely believe that what I say is true.

Nosology will prove highly favorable to the cause of religion! Does not the nose stand forth like a watchman on the walls of Zion, on the look-out for all assailants? and when our faces are directed upwards in devotion, does not the nose ascend the highest and most especially tend heavenward?..... Nosology is a manly science. It stands out in the open light. It does not conceal itself behind scratches and periwigs, nor does it, like certain false teachers mentioned by St. Paul, go about from house to house, leading astray silly women. .... Finally, gentlemen, you may rest assured that Nosology will not gently submit to insult. Noli me tangere! Who ever endured a tweak of the nose? It will know how to take vengeance. As Jupiter metamorphosed the inhospitable Lycians in'o frogs, so its contemners will suddenly fird themselves βαρβαρόφωνοι !”

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Percival has been thought over-tenacious of his opinions. He was certainly very circumspect in changing them. I have witnessed, however, several instances in which he yielded to the force of evidence in the modification of his views. He seemed to recognize geology, in particular, as a progressive science, in which new facts are constantly accruing, and therefore compelling readaptations of our views. He felt, indeed, in respect to all knowledge, the mathematics excepted, that modifications of belief, in well-regulated minds, are unavoidable, as the result of new information.. Approach to higher truth through the sciences he seemed to regard under the aspect of that of besiegers to a beleaguered fortress. Principles and deductions, which were a boon and a triumph for us yesterday, lose their value to-day, when a new parallel of approach has been attained. He lost his interest in what was abandoned, necessary as it had been to the present position, only in the advantage of which, and its sure promise of what was still higher, he allowed himself to rejoice.

But where evidence was wanting, he was never to be moved to a change by

any amount of importunity or temptation. This trait of character made him somewhat impracticable as a collaborator, in the philological task he was employed to perform under Dr. Noah Webster. Disagreements were to have been anticipated from the striking contrasts in their minds. They agreed in industry; but Webster was decided, practical, strongly self-reliant, and always satisfied with doing the best that could be done with the time and means at command. Percival was timid and cautious, and, from the very breadth of his linguistic attainments, undecided. He often craved more time for arriving at conclusions. When he happened to differ from the great lexicographer, he would never yield an iota of his ground. These differences led to an early rupture in the engagement, almost before two letters of the alphabet had been completed. He much preferred to relinquish a profitable undertaking to going forward with it under circumstances not agreeable to his elevated standard of literary accuracy and completeness. He felt that he could live on bread and water, or even give up these, if necessary; but he could not violate his convictions of what was true and right. He was a perfect martyr to his literary and scientific conscientiousness.

He evinced the same spirit in respect to the geological survey. As his mind was not satisfied, he would not make known his results to the Legislature. They demanded the report, and he asked for an extension of time. Thus he continued his labors from year to year, upon a stipend scarcely adequate to cover his expenses. Instead, however, of nearing the goal, he only receded from it. New difficulties met him in the work; fresh questions arose, in the progress of geology itself, that called for reëxaminations. His notes swelled to volumes, and his specimens increased to thousands. He was in danger of being crushed under the weight of his doubts and his materials. At last, the people clamored for the end of the work. The Legislature became peremptory, and forced Percival to acquiesce.

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