The American Naturalist, Volumen30Essex Institute, 1896 |
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Página 4
... importance that the publication of the full details of the experiment will be eagerly awaited. Gruber adds that at present we cannot go much beyond the proof of existence, to a high 4 [January, The American Naturalist.
... importance that the publication of the full details of the experiment will be eagerly awaited. Gruber adds that at present we cannot go much beyond the proof of existence, to a high 4 [January, The American Naturalist.
Página 10
... present in the young of the preceding or normal forms of the same series . and also in the adult stages of development of more remote ancestors of the same genetic stock or series . This law has since been independently rediscovered by ...
... present in the young of the preceding or normal forms of the same series . and also in the adult stages of development of more remote ancestors of the same genetic stock or series . This law has since been independently rediscovered by ...
Página 11
... present this relation to each other , we are com- pelled to believe that acceleration has been the principle of their successive evolution during the long ages of geologic time . Each type has , however , its day of supremacy and per ...
... present this relation to each other , we are com- pelled to believe that acceleration has been the principle of their successive evolution during the long ages of geologic time . Each type has , however , its day of supremacy and per ...
Página 15
... present also in earlier stages of growth than that in which they originated in ancestral forms ? Is not the case of the wisdom teeth exceptional ? The frequently extremely late external appearance of these is not accompanied by a later ...
... present also in earlier stages of growth than that in which they originated in ancestral forms ? Is not the case of the wisdom teeth exceptional ? The frequently extremely late external appearance of these is not accompanied by a later ...
Página 29
... present . The fovea is at once seen if it be present , but the area is some- times very difficult to discern , and , were it not for the blood- vessels acting as land - marks , it might be overlooked altogether . Drawings were made of ...
... present . The fovea is at once seen if it be present , but the area is some- times very difficult to discern , and , were it not for the blood- vessels acting as land - marks , it might be overlooked altogether . Drawings were made of ...
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acid adaptations Amer American animals appear augite bacteria beds beets birds bones Botany Bull cells characters cleavage color containing Cope crystals described diabases Diplopoda disease eggs embryo Eocene evidence evolution experiments Extr fact fauna fishes formation fossil gabbro gastrula gelatine genera genus Geol Geological gneisses heredity hornblende Hyracotherium IIBr insects Journ known Lacertilia larvæ latter length limestone lower mass ment method molars movements Museum mushroom bodies natural NATURALIST North observed occur organism original orthoclase Paleontology paper paroccipital phenocrysts plagioclase plants plates porphyritic premolar present probably Prof Professor protoplasm quartz recent referred region relation rocks Science segment selection skull species specimens spores sporophylls squamosal stage stain stem structure subspecies substance surface tail tion tissues University upper variations vegetative vessels xylem
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Página 331 - KOREAN GAMES: WITH NOTES ON THE CORRESPONDING GAMES OF CHINA AND JAPAN, Stewart Culin.
Página 878 - Its power of inducing fermentation in a solution of sugar was entirely destroyed, although no perceptible change in the appearance of the yeast cells could be detected under the microscope. This experiment was repeated several times, and always with the same result, although when the yeast was simply washed in water it readily induced fermentation.
Página 182 - Consequently, if the theory be true, it is indisputable that before the lowest Cambrian stratum was deposited, long periods elapsed, as long as, or probably far longer than, the whole interval from the Cambrian age to the present day; and that during these vast periods the world swarmed with living creatures.
Página 818 - With this, the priest disappeared. I awoke at once and immediately told my wife the dream that I might not forget it. Next morning — Sunday — I examined the fragments once more in the light of these disclosures, and to my astonishment found all the details of the dream precisely verified in so far as the means of verification were in my hands. The original inscription on the votive cylinder read: "To the god Ninib, son of Bel, his lord, has Kurigalzu, pontifex of Bel, presented this.
Página 827 - Assistant Secretary of the Smithsonian Institution and Director of the National Museum, died in Washington, Sept.
Página 643 - ... 3. They show no intimate association in areal distribution with the blue limestone, nor any tendency to grade into it." " 4. The metamorphic changes to which the white limestones have been subjected are general in their nature, and...
Página 525 - With the opposite (withdrawing, depressive affects) in injurious and painful conditions. ments) — but by the reinstatement of it by a discharge of the energies of the organism, concentrated as far as may be for the excessive stimulation of the organs (muscles, etc.) most nearly fitted by former habit to get this stimulation again (in which the " stimulation " stands for the condition favorable to adaptation).
Página 952 - We must therefore picture to ourselves a fertile plain occupying the whole of the Bristol Channel, and supporting herds of reindeer, horses, and bisons, many elephants and rhinoceroses, and now and then being traversed by a stray hippopotamus, which would afford abundant prey to the lions, bears, and hyaenas, inhabiting all the accessible caves, as well as to their great enemy and destroyer, man."* III.
Página 416 - heightened discharge " are capable of formulation of the principle of " motor excess " : " the accommodation of an organism to a new stimulation is secured — not by the selection of this stimulation beforehand (nor of the necessary movements) — but by the reinstatement of it by a discharge of the energies of the organism, concentrated, as far as may be, for the excessive stimulation of the organs (muscles, etc.), most nearly fitted by former habit to get this stimulation again," '' in which...
Página 495 - ... on the way to Pawtucket; he wanted to get away somewhere — he didn't know where — and have rest. He had six or seven hundred dollars with him when he went into the store. He lived very closely, boarded by himself, and did his own cooking. He went to church, and also to one prayer-meeting. At one of these meetings he spoke about a boy who had kneeled down and prayed in the midst of the passengers on a steamboat from Albany to New York [an incident of which he was well aware in the Ansel Bourne...