Here is the law of life, as laid down by the eagle-eyed prophet Isaiah, in that remarkable chapter commencing, "Ho, every one that thirsteth"--whether it be after knowledge, or any other earthly or spiritual good--come unto me and I will give you that which you seek. This is the spirit of the text, and these are the words at the commencement of the tenth verse: "As the rain cometh down, and the snow from heaven, and returneth not thither, but watereth the earth, and maketh it ( the earth ) bring

The office of a preface is twofold; first, to introduce the author to the public; second, to introduce his work. As the writer seeks no personal introduction, beyond what a favorable or unfavorable reception of his work may give him, he leaves the more formal, if not formidable branch of salutation untouched. The work has cost him some labor, as the reader will see. The field he has traversed is vast and varied, and the facts he has gathered are numerous and from many and diversified sources--al

It is undeniably true that the progress of scientific thought and speculative inquiry, both in this country and in Europe, is rapidly tending towards a purely materialistic view of the universe, or one that utterly excludes the ancient and long-predominating metaphysical conceptions of Life, to say nothing of the more regnant and universally prevailing conception of a God. And it is quite as undeniable that the current of experimental research and investigation is setting, with equal rapidity, i

The profound Newton did not attempt to show what the gravitative force of the universe was. He bore himself more modestly, only endeavoring to show that such a force existed, and that it accounted for all the movements of celestial bodies, even to their slightest perturbations. He frankly admitted his inability to determine what this force was, but by observations and calculations made with the greatest care, he ascertained that its action upon matter was proportional to its mass directly, and t

No fact has more profoundly puzzled the vegetable physiologist than the alternations of forest growths which are everywhere occurring without the apparent interposition of natural seeds, and which have been considered as wholly inexplicable except as one unsatisfactory theory after another has been suggested to account for the wide dissemination and distribution of their seeds. We have had any number of these theories, more or less ingeniously constructed, but it is safe to say that none of them

Few questions have attracted more attention among vegetable physiologists, of late years, than the dispersion and migration of seeds from place to place in the earth, and it is safe to say that none has been more unsatisfactorily answered. In the case of quite a number of plants and trees, special contrivances would seem to have been provided by nature for insuring their dispersion, as well as migration. With a small number of plants, for instance, the seeds are discharged for short distances by

Among the leading propositions laid down by Arthur Renfrey, Esq., F.R.S. etc., etc., in the able article prepared by him for "The Physical Atlas of Natural Phenomena," by Alexander Keith Johnston, Edinburg Edition, 1856, on "The Geographical Distribution of the most Important Plants Yielding Food," are the following:-- 1. "The primary condition of the existence of any species of plant, is its absolute creation, of which we know nothing. 2. "But we assume each species to have been created but onc

Professor Gray, in his address before the American Association for the advancement of science, delivered at Dubuque (Ia.) in 1872, while remarking upon the wide extent of similar flora in the same plant zones, says: "If we now compare, as to their flora generally, the Atlantic United States with Japan, Mantchooria and Northern China,-- i.e. Eastern North America with Eastern North Asia--half the earth's circumference apart, we find an astonishing similarity." But why astonishing? Had our disting

The question, "What is life?" does not lie within the province of human reason, the science of logic, or the intuitions of consciousness, to determine. It furnishes no objective datum on which to predicate attributes that are either congruent or diverse. It can only be defined as the coordination of the vis vitae in nature, which is an undisguised form of reasoning in a circle. We can ascribe to it only such attributes as are utterly inconceivable in any other concept or object of thought. It ad

The methods by which the advocates of a purely physical origin of life seek to establish the correctness of their conclusions, are unfortunately not always attended by uniform results in experimentation. They subject their solutions of organic matter to a very high temperature by means of super-heated flasks, the tubes to which are so packed in red-hot materials that whatever air may enter them shall encounter a much greater degree of heat than that indicated by boiling water. At this temperatur

Among the more startling, if not decidedly brilliant, vital theories which have been advanced within the last few years, is that which makes life an "undiscovered correlative of force." Those who have the reputation of being the profoundest thinkers and delvers in the newly-discovered realm of Force-correlation in Europe, and who have more or less modestly contributed to that reputation themselves, have evidently thought to eclipse, if not to entirely throw into the shade, the great exploit of L

Granting that the assumption of Darwinism rests, as claimed, on the fixed and inflexible adaptation of means to ends, in the diversified yet measurably specialized processes of nature, there is no logical deduction to be drawn therefrom but that which traces the representatives of all the great types of the animal kingdom to one single source, and that not the Sovereign Intelligence of the Universe, but a mere "ovule in protoplasm," or what may be defined, in its unaggregated form, as an inconce