Nathaniel Southgate Shaler

“ Although the limitations which modern men of science perceive to be put upon their labours may seem at first sight calculated to confine our understanding within a narrow field of things which can be seen, or in some way distinctly proved to exist, the effect of this limitation has been to make science what it is—a realm of things known as distinct from things which may be imagined. All the difference between ancient science and modern consists in the fact that in modern science inquirers demand a businesslike method in the interpretation of Nature. ”

“ It seems to me clear that in shaping our sympathetic relations towards animals in the light of our present knowledge, the huntsman will soon become unknown in civilized life. So long as men looked upon animals in the childish, ignorant way, viewing them as utterly commonplace things, hunting or fishing, for the reason that they rested on a foundation of ancient emotions, might well be indulged in. But to the man who knows what science has to teach him, and who discerns the marvels which the animal form enfolds, the destruction of such objects, except for need's sake, is sure to be painful. ”

“ As the most valuable impression which the student can receive from his study of Nature is that sense of the order which has made possible all life, including his own, it will be well for him to imagine, as he may readily do, what would be the effect arising from changes in relations of earth and sun. Bringing the earth's axis in imagination into a position at right angles to the plane of the orbit, he will see that the effect would be to intensify the equatorial heat, and to rob the high latitudes of the share which they now have. ”

“ It is an interesting fact that the first creature which man won to domesticity was made captive and friend for the sake of companionship rather than for any grosser profit. The dog was, the world over, the first living possession of man beyond the limits of his own kindred. He has been so long separated from the primitive species whence he sprang that we cannot trace with any certainty his kinship with the creatures of the wilderness. ”

“ Even in his professional work the naturalist of necessity falls into the commonplace way of regarding the facts with which he deals. If he be an astronomer, he catalogues the stars with little more sense of the immensities than the man who keeps a shop takes account of his wares. Nevertheless, the real profit of all learning is in the largeness of the understanding which it develops in man. The periods of growth in knowledge are those in which the mind, enriched by its store, enlarges its conception while it escapes from commonplace ways of thought. ”

“ As the creature gradually awakens, his cry becomes more resonant until it has the true morning ring. Brave as is this note of the full day, it is not to be compared with the crowing of a game-cock, the most splendid braggart sound of all the animal world. ”

“ It is this incessant revision of the facts, in order to see if they accord with the assumed rule or law, which has given modern science the sound footing that it lacked in earlier days, and which has permitted our learning to go on step by step in a safe way up the heights to which it has climbed. All explanations of Nature begin with the work of the imagination. ”

“ Although the naturalist of to-day perceives the impossibility of there ever having been on this earth a form uniting the trunk and fore-limbs of a quadruped to the upper part of a man's body, such scientific conceptions are a part of our modern, recently acquired store of knowledge. To the Greeks of the myth-making age the creature, half man, half horse, added but one more wonder to the vast store the world already contained. The currency of this fable shows us very clearly how great was the impression which the horse made upon primitive peoples. ”

“ When we go beyond the earth into the realm of the stars all efforts toward understanding the ranges of space or the durations of time are quite beyond the efforts of man. Even the distance of about two hundred and forty thousand miles which separates us from the moon can not be grasped by even the greater minds. No human intelligence, however cultivated, can conceive the distance of about ninety-five million miles which separates us from the sun. In the celestial realm we can only deal with relations of space and time in a general and comparative way. ”

“ In the presence of this host, we have to recognize that each of the innumerable individuals in its lifetime is a record of toil and pain the history of which extends backward to the beginnings of life. In this wonderful living world man has trodden ruthlessly, for the reason that he has no sense as to the dignity of the field. In the manner of a vandal, he has slain for profit or sport. He has been so effectual a destroyer that species, genera, and even families of animals have been ruthlessly swept away. ”

“ Thus falling water has not only the force due to its drop from the summit of the wave, but it has a share of the impulse due to the velocity with which the surge moved against the shore. It acts, in a word, like a hammer swung down by a strong arm, where the blow represents not only the force with which the weight would fall of itself, but the impelling power of the man's muscles. Any one who will expose his body to this blow of the surf will recognise how violent it is; he may, if the beach be pebbly, note how it drives the stones about ”

“ We can hardly believe that he had any share of that marvellous sympathy with man and understanding of his motives which characterize the high-bred varieties of his species. All this vast transformation, which from a psychological point of view has carried the dog relatively as far up above his origin as civilization has lifted man above his lowest estate, has been due to human intercourse and the long and effective concomitant selection of good from bad. It is hardly too much to say that a large part of our human nature has been transferred into the descendants of this ancient wild beast. ”

“ For the purposes of education it is important that every one should know something of the great truths which each science has disclosed. No mortal man can compass the whole realm of this knowledge, but every one can gain some idea of the larger truths which may help him to understand the beauty and grandeur of the sphere in which he dwells, which will enable him the better to meet the ordinary duties of life, that in almost all cases are related to the facts of the world about us. ”

“ With those dogs which are endowed with a large human quality, such as our various breeds of hounds, it is possible by laughing in their faces not only to quell their rage, but to drive them to a distance. They seem in a way to be put to shame and at the same time hopelessly puzzled as to the nature of their predicament. In this connection we may note the very human feature that after you have cowed a dog by insistent laughter you can never hope to make friends with him. ”

“ Although much of the pleasure which the world affords us comes through the other senses, the basis of almost all our accurate knowledge is reported by sight. It is true that what we have observed with our eyes may be set forth in words, and thus find its way to the understanding through the ears; also that in many instances the sense of touch conveys information which extends our perceptions in many important ways; but science rests practically on sight, and on the insight that comes from the training of the mind which the eyes make possible. ”

“ The elephant of Africa is still a tolerably abundant animal. Its numbers, though doubtless diminished by more than one-half within this century, are probably to be counted by the hundred thousand. Nevertheless, in less than a hundred years the field which they occupied has been greatly reduced; and between the ivory hunter and the sportsman of our brutal race armed with guns of ever-increasing deadliness, it will certainly not require another century of free shooting to annihilate the African species. ”

“ If the surface of the earth were uniformly covered with water to the depth of ten thousand feet or more, every particle of fluid would, in a measure, obey the attraction of the sun, of the moon, and, theoretically, also of all the other bodies in space, on the principle that every particle of matter in the universe exercises a gravitative effect on every other. As it is, owing to the divided condition of the water on the earth's surface, only that which is in the ocean and larger seas exhibits any measurable influence from these distant attractions. ”

“ The ordinary farmer has to enter into more or less sympathetic relations with half a score of animal species and many kinds of plants. His life, indeed, is devoted to ceaseless friendly relations with these creatures which live or die at his will. In this task his ancient savage impulses are slowly worn away, and in their place comes the enduring kindliness of cultivated men. When we compare the state of mind of the hunter with that of the care-taking soil-tiller, we see the vast scope and influence which this work of domestication has effected in our kind. ”

“ Entering beneath this pall, he finds a steadily increasing wind, which in twenty miles of sailing may, and in a hundred miles surely will, compel him to take in all but his storm sails, and is likely to bring his ship into grave peril. The most furious winds the mariner knows are those which he encounters as he approaches the still centre. These trials are made the more appalling by the fact that in the furious part of the whirl the rain, condensing from the ascending air, falls in torrents, and the electricity generated in the condensation gives rise to vivid lightning. ”

“ In considering the general influence of the horse and its kindred forms on human culture, we clearly perceive that we are now attaining a time when the machinery of civilization is to depend in a much less degree than of old on the help which these creatures give to man. Even fifty years ago the horse was far more necessary to the work of our kind than it is at present. Going back a hundred years, we perceive that the population of the civilized world could not possibly have been maintained, if by some disease all the horses had been swept away. ”

“ In only one of these aggregations—that which makes our own solar system—are the bodies sufficiently near to our eyes for us, even with the resources of our telescopes and other instruments, to divine something of the details which they exhibit. In studying what we may concerning the family of the sun, the planets, and their satellites, we may reasonably be assured that we are tracing a history which with many differences is in general repeated in the development of each star in the firmament. ”

“ It seems inevitable that man should play the part of a destroyer. It is his place to break down the ancient order determined by what we call natural forces and in its stead to set a new accord in which the economy of the earth will be in a great measure controlled by his intelligence. Even those who most keenly sympathize with the wilderness life, are not likely to object to the changes which are necessary to open the way for this new dispensation. ”

“ Thus among our North American Indians the winds are explained by the supposition that the air is fanned by the wings of a great unseen bird, whose duty it is to set the atmosphere into motion. That no one has ever seen the bird doing the work, or that the task is too great for any conceivable bird, is to the simple, uncultivated man no objection to this view. It is long, indeed, before education brings men to the point where they can criticise their first explanations of Nature. ”

“ It is hardly too much to say that all our highly elaborated military system has depended for its development, as it does for its maintenance, on the transportation value of horses. Much has been said of late as to the use of bicycles as adjuncts to armies, and in a certain limited way they will doubtless prove serviceable in future campaigns; but no one who has had any experience of military duty, with its work across tilled fields and through forests, can imagine a man on a wheel rendering any very effective service except under peculiar conditions. ”

“ Thus it comes about that in regions of long-enduring snowfall the ground, though frozen to the depth of a foot or more at the time when the accumulation took place, may be thawed out and so far warmed that the vegetation begins to grow before the protecting envelope of snow has melted away. Certain of the early flowers of high latitudes, indeed, begin to blossom beneath the mantle of finely divided ice. ”

“ In the greater number of the species the union is for a season, but among many it is for life. In the case of certain varieties of paroquets, the union is so indissoluble that, according to common report, a report which seems much better verified than the most of those concerning the habits of animals, neither member of the pair will survive the death of the other. Man, with all his striving towards a better social state, has, as a whole, not yet attained to the enduring affection for the mate which is evinced by the greater part of the birds. ”

“ More than any other science, geology, because of the complexity of the considerations with which it has to deal, depends upon methods of labour which are to a great extent traditional, and which can not, indeed, be well transmitted except in the personal way. In the distinctly limited sciences, such as mathematics, physics, or even those which deal with organic bodies, the methods of work can be so far set forth in printed directions that the student may to a great extent acquire sound ways of work without the help of a teacher. ”

“ Up to our present half-century the process of winning animals and plants to domestication, and of improving them after they had been thus won, has been in its nature a matter of haphazard. Here and there, as men have seen creatures which promised in captivity to afford either pleasure or profit, they have endeavored to convert them to use. In some cases the effort has been made with some patience and steadfastness of purpose. If the creature yielded quickly to the needs of a new life which it was sought to impose upon him, he became a member of man's family. ”

“ In a word, all that vast history which is traceable in the rocks beneath our feet—which is in progress in the seas and lands and is to endure for an inconceivable time to come—has been denied our satellite, for the reason that it had no air with which to entrap the solar heat and no water to apply the solar energy to evolutionary processes. ”

“ With this extension of his affection must have begun the growth of that large motive, which is the most distinguishing feature of our modern life, which leads us to go forth in a loving manner to the living beings about us, not only to our flocks and herds but to the life of the unsubjugated realm as well. Thus, in a way, we may look upon the dog as affording the first steps on the path of culture which was to lift man from his primitive selfishness to the altruistic state to which he has attained. ”

“ In our own time, in the latter part of the nineteenth century, the conflict between the religious authority and the men of science has practically ceased. Even the Roman Church permits almost everywhere an untrammelled teaching of the established learning to which it was at one time opposed. Men have come to see that all truth is accordant, and that religion has nothing to fear from the faithful and devoted study of Nature. ”

“ It should be made plain, not only that the success of our civilization depends now as in the past on the coöperation which mankind has had from the domesticated animals, but also that the development of this relation is one of the most interesting features in all history. On through the ages of the geologic past comes this great procession of life, in the endless succession of species whose numbers in the aggregate are to be reckoned by the scores, if not by the hundreds of millions. Until this modern age, the throng goes forward blindly, groping its way towards the higher planes of life. ”

“ As we shall hereafter see, the machinery of the earth's surface, all the life which it bears, its winds and rains—everything, indeed, save the actions which go on in the depths of the sphere—is determined by the heat and light which come from the sun. ”

“ It is the worst feature of the destruction which man is bringing upon the organic species that the assault is most effective on those varieties which are most interesting both from an intellectual and an economic point of view. To take only the case of the great birds which have recently been swept from the earth, we see clearly that we have with them lost precious opportunities for enlarging our understanding of nature and have at the same time been deprived of the chance to domesticate creatures which would most likely have proved of much economic value. ”

“ In a word, true soil conditions demand the presence of moisture, but that in insufficient quantities, to keep the pores of the earth continually filled; where they are thus filled, we have the condition of swamps. Between these extremes the level at which the water stands in the soil in average seasons is continually varying. In rainy weather it may rise quite to the surface; in a dry season it may sink far down. As this water rises and falls, it not only moves, as before noted, the soluble mineral materials, but it draws the air into and expels it from the earth with each movement. ”

“ Now that it has been made perfectly clear that we have come forth from the maze of the lower life, that all these tenants of the wilderness are sharers in the order which has brought us to our estate, and that each one of them, plant and animal alike, is the record of the impulses which lead beings upward, we can no longer keep the old careless attitude. We are compelled to deal with the organic hosts as we deal with the creatures of our folds and fields. ”

“ All the best which men do in creating a civilization rests upon a sense of confidence that their efforts may be accumulated from year to year, and that even after death the work of each man may remain as a heritage to his kind. ”

“ Whoever has watched the flight of wild geese must have remarked the beautiful way in which they arrange at once for close companionship and for safety in the violent movements which impel their heavy bodies at high speed through the air. ”

“ To Newton we owe the studies on the law of gravitation which brought us to our present large conception as to the origin of this order. Starting with the view that bodies attracted each other in proportion to their weight, and in diminishing proportion as they are removed from each other, Newton proceeded by most laborious studies to criticise this view, and in the end definitely proved it by finding that the motions of the moon about the earth, as well as the paths of the planets, exactly agreed with the supposition. ”

“ In a large way the work of domestication represents one of the modes of action of that sympathetic motive which more than any other has been the basis of the highest development of mankind. Ordinary men of the low grade are content to slay, or otherwise rudely gain what value they find in the wild creatures. Only the higher grades of men perceive much of the charm in the inhabitants of the wilderness, or desire to win them to their homes. If our conquests from the wilds were limited to the grossly profitable life alone, we might say that interest only had determined the work of subjugation ”

“ To an observer who could behold this envelope of the sun from the distance at which we see the moon, the spectacle would be more magnificent than the imagination, guided by the sight of all the relatively trifling fractures of our earth, can possibly conceive. ”

“ The foregoing brief sketch, which sets forth some of the important conditions which have affected the development of science, may in a way serve to show the student how he can himself become an interpreter of Nature. The evidence indicates that the people of our race have been in a way chosen among all the varieties of mankind to lead in this great task of comprehending the visible universe. The facts, moreover, show that discovery usually begins with the interest which men feel in the world immediately about them, or which is presented to their senses in a daily spectacle. ”

“ The intellectual condition of our dogs shows us that the creatures may be progressively educated—in a word, that man may put into them something of his human quality. In the case of the dog, the longest possessed and most familiar to our households of all our captives, the mental change which has come, partly by selection, from association with man has gone so far that the species may be fairly said to have replaced its pristine motives with those which it has derived from ourselves. In many cases it has become, so far as its ways are concerned, even more man than dog. ”