Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 67American Philosophical Society, 1928 |
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Сторінка iii
... Cells : The Lipoids . By D. T. MACDOUGAL . Trianaeopiper , A New Genus of Piperaceae . By WILLIAM TRELEASE Omorhamphus , A New Flightless Bird from the Lower Eocene of Wyoming . By WILLIAM J. SINCLAIR . • A Proposed Guide - Book to the ...
... Cells : The Lipoids . By D. T. MACDOUGAL . Trianaeopiper , A New Genus of Piperaceae . By WILLIAM TRELEASE Omorhamphus , A New Flightless Bird from the Lower Eocene of Wyoming . By WILLIAM J. SINCLAIR . • A Proposed Guide - Book to the ...
Сторінка xi
... , University of Penn- sylvania . " Features of Cells that Live Long , " by Daniel T. Mac- Dougal , Carnegie Institution of Washington ; Desert Laboratory , Tucson , Arizona . " A Genogeographical Study of the Genus Bursa , " MINUTES xi.
... , University of Penn- sylvania . " Features of Cells that Live Long , " by Daniel T. Mac- Dougal , Carnegie Institution of Washington ; Desert Laboratory , Tucson , Arizona . " A Genogeographical Study of the Genus Bursa , " MINUTES xi.
Сторінка xii
... Cell Division and Differentiation , " by Edwin G. Conk- lin , Professor of Biology , Princeton University . Dis- cussed by Drs . Sajous and Stockard . " Probable Rôle of Internal Secretions in Structure and Growth as Illustrated by ...
... Cell Division and Differentiation , " by Edwin G. Conk- lin , Professor of Biology , Princeton University . Dis- cussed by Drs . Sajous and Stockard . " Probable Rôle of Internal Secretions in Structure and Growth as Illustrated by ...
Сторінка 33
... cells may be taken to have been those of E. Overton in 1890-1895 in which he framed the so - called mosaic theory of the boundary layer of protoplasm , in which oil - soluble phosphatides ( phos- pholipins ) were taken to alternate with ...
... cells may be taken to have been those of E. Overton in 1890-1895 in which he framed the so - called mosaic theory of the boundary layer of protoplasm , in which oil - soluble phosphatides ( phos- pholipins ) were taken to alternate with ...
Сторінка 34
... cells . On reaching the latter , this oxidase by reacting with the phos- phorus of the cellular nucleins liberated the heat energy ( now erroneously , he holds , attributed to tissue oxidation ) to which all tissue enzymes owe their ...
... cells . On reaching the latter , this oxidase by reacting with the phos- phorus of the cellular nucleins liberated the heat energy ( now erroneously , he holds , attributed to tissue oxidation ) to which all tissue enzymes owe their ...
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adrenals airplane Alaska Amer American amphibian anthropoid atom Bohr brachiating Buriats cell chimpanzee cholesterol climate coast corals cusp cusp formula Diatryma digit distal distance Dryopithecus Dryopithecus pattern electron Eocene evolution fact feet flight forecast frequency gorilla groove system hand hind humerus hydrogen Jefferson papers known layer lecithin Lewis Lewis's lichens limb lipoids lobe-finned fishes LOWER MOLAR PATTERN lower molar teeth mammals McMahon measured meteorological methods motion muscles natural Negroes Notharctus nucleus observations observatories Omorhamphus orbits oscillograph outer parallax pectoral Pedro Dome Philadelphia photographic plants plate present primates primitive problem Professor proper motions Pursh rainfall rigid airships Sajous scientific seeds septa shoulder-girdle species specimen stage stars stellar distances surface temperature tetrapod theory third molar tissue trees Trianaeopiper trochlear process tundra vegetation velocity weather White Spruce winds winter
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Сторінка 102 - Yet I doubt not through the ages one increasing purpose runs, And the thoughts of men are widened with the process of the suns.
Сторінка 339 - Two of far nobler shape, erect and tall, God-like erect, with native honour clad In naked majesty, seemed lords of all, And worthy seemed; for in their looks divine The image of their glorious Maker shone, Truth, wisdom, sanctitude severe and pure Severe, but in true filial freedom...
Сторінка 152 - So, in like manner, we are assured that " the early progenitors of man were, no doubt, once covered with hair, both sexes having beards ; their ears were pointed and capable of movement ; and their bodies were provided with a tail, having the proper muscles.
Сторінка 11 - Lewis on the subject, nor being able to obtain any information when he probably might be expected here; I thought it a folly to keep Pursh longer idle, and recommended him as Gardener to Doctor Hosack of New York, with whom he has since lived. The original specimens are all in my hands, but Mr. Pursh, had taken his drawings and descriptions with him, and will, no doubt, on the delivery of them expect a reasonable compensation for his trouble. As it appears to me probable that you will interest yourself...
Сторінка 11 - ... the hands of any Botanist, either in America or Europe who might rob Mr. Lewis of the right he had to first describe and name his own discoveries in his intended publication, and indeed I had strong reasons to believe this opportunity was coveted by (blank) which made me still more careful of the plants.
Сторінка ix - The officers and council to whom was referred the letter of Doctor Warren, of Boston, inclosing a circular from a meeting of gentlemen at Boston, on the subject of the formation of an American Association for the Promotion of Science, submitted the following resolution, which was adopted by the Society. Resolved, That the American Philosophical Society, having given the most respectful attention to the letters laid before them by Doctor WE Homer, and to the circular letter from the Committee of gentlemen...
Сторінка 9 - I have several sorts growing of the seeds you were pleased to send me, among which are four varieties of Currants, and I am confident that I shall have plants from every kind received.
Сторінка 235 - ... it to the size of a pin's head, that pin's head would, on the same scale of magnification, attain a diameter equal to the diameter of the earth's orbit around the sun.
Сторінка 15 - Thouin merits at our hands. he expresses to me a great desire for the plants of the region beyond the Missisipi. if within the reasonable compass of the mail, it will come safest to me thro' that. if larger, the stage is a good conveyance if a passenger can be found who will take charge of it. such opportunities to Richmond must be almost daily with you, and if addressed to Messr.
Сторінка 16 - ... literally as white as snow, which remain on the bush through the winter, after its leaves have fallen, and make it an object as singular as it is beautiful. We call it the snow-berry bush, no botanical name being yet given to it, but I do not know why we might not call it Chionicoccos, or Kallicoccos. All Lewis's plants are growing in the garden of Mr. McMahon, a gardener of Philadelphia...