Collected papers, Volumen8 |
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Página 9
... organs ; it moulds animals as a whole into similar form , as , for example , the ichthyosaurs , sharks , and dolphins ; still more it moulds similar and larger groups of ani- mals into similar lines or radii of specialization . Thus we ...
... organs ; it moulds animals as a whole into similar form , as , for example , the ichthyosaurs , sharks , and dolphins ; still more it moulds similar and larger groups of ani- mals into similar lines or radii of specialization . Thus we ...
Página 12
... organs . This missing point of contact , or of the actual link between am- phibians and fishes , is equally characteristic of paleontology as his- tory from the top to the bottom of the animal scale . We are positive that amphibians ...
... organs . This missing point of contact , or of the actual link between am- phibians and fishes , is equally characteristic of paleontology as his- tory from the top to the bottom of the animal scale . We are positive that amphibians ...
Página 5
... organ like the eye of the chick , for example , is thrust forward into a very early stage of embryonic development . This is , first , because the eye is a very complex organ and needs a long time for development , and second because ...
... organ like the eye of the chick , for example , is thrust forward into a very early stage of embryonic development . This is , first , because the eye is a very complex organ and needs a long time for development , and second because ...
Página 14
... organs of combat and locomotion will atrophy . Do you put your faith in reading , or in book knowledge ? If so , you should know that not a five foot shelf of books , not even the ardent reading of a fifty foot shelf aided by prodigious ...
... organs of combat and locomotion will atrophy . Do you put your faith in reading , or in book knowledge ? If so , you should know that not a five foot shelf of books , not even the ardent reading of a fifty foot shelf aided by prodigious ...
Página 7
... organ from which I had long been suffering . " We enjoyed a long and delightful conversation at his home , in which he gave my wife an ever memorable talk upon his views as to the immortality of the soul . Finally , in Oxford in 1894 ...
... organ from which I had long been suffering . " We enjoyed a long and delightful conversation at his home , in which he gave my wife an ever memorable talk upon his views as to the immortality of the soul . Finally , in Oxford in 1894 ...
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Términos y frases comunes
Acheulean adaptive African allometrons Amer American Museum animals Artiodactyla basin beds bio-mechanical Bridger Bull CARNIVORA Chellean clay coast collections Cope correlation Coryphodon Creek Depéret deposits Diceratherium Douglass educational Elephas Embolotherium Entelodon Eobasileus Eocene Europe evolution Expedition fauna formation Fossil genera Geol geologic geologist glaciation glaciers HENRY FAIRFIELD OSBORN Hist HOMOTAXIS horizons Huxley indesc industry Interglacial John Day Leidy Leverett loess lower Miocene Mammalia mammals marine Marsh Matthew Mayet Megacerops Merychyus Mesohippus meters Middle Miocene moraines Mousterian Museum of Natural Natural History Naturalist Nebraska Neohipparion North America northern observed Oligocene Oreodon origin paleontology Penck and Brückner period Perissodactyla phase Plains Pleistocene Pliocene present Procamelus Protohippus Quaternary recent rectigradations region Rhinoceros Rodentia Science scientific Scott Section shorelines South species stage Survey terrace Tertiary tion titanotheres Titanotherium Uinta Upper Eocene valley vertebrate Wasatch White River Wind River Wortman York zone zoology
Pasajes populares
Página 74 - Under a wide and starry sky Dig the grave and let me lie. Glad did I live and gladly die And I lay me down with a will. This be the verse you grave for me: " Here he lies, where he longed to he: Home is the sailor, home from the sea, And the hunter home from the hill.
Página 6 - too often quote the rugged insistence of Carlyle: " Produce ! Produce! Were it but the pitifullest infinitesimal fraction of a product, produce it in God's name! 'Tis the utmost thou hast in thee: out with it, then.
Página 3 - IMMEDIATELY on the receipt of a cable announcing the first successful descent of the Barton bathysphere I cabled to Director Beebe for a brief official report to be published in SCIENCE. This is the thirteenth expedition of the Department of Tropical Research of the New York Zoological Society under the direction of William Beebe. It is the fifth year of
Página 1 - average cost of each trip being $9,920. THE GALAPAGOS ISLANDS The seventh expedition of the Department of Tropical Research of the New York Zoological Society •was directed to the Galapagos Archipelago, and is known as the Williams Galapagos Expedition. Through the generosity of Mr. Harrison Williams the two hundred and fifty foot steam yacht Noma was chartered for the purpose and left March first on
Página 15 - We cannot see how the differentiation into species came about. Variations of many kinds, .often considerable, we daily witness, but no origin of species. . . . That particular and essential bit of the theory of evolution which is concerned with the origin and nature of species remains utterly mysterious.
Página 74 - Home is the sailor, home from the sea, And the hunter home from the hill.