The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895C. Scribner's son, 1896 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 51
Pagina xii
... fact . And our series of forms described in the second , third , and fourth chapters is merely a concrete illustration show- ing how this sequence may have been evolved . The substitution of other terms in the anatomical series there ...
... fact . And our series of forms described in the second , third , and fourth chapters is merely a concrete illustration show- ing how this sequence may have been evolved . The substitution of other terms in the anatomical series there ...
Pagina xiii
... fact that things were or are thus and so . And a mistaken explana- tion will not invalidate the facts of history . The subject of our history is the development , not of a single human race nor of the movements of a cen- tury , but the ...
... fact that things were or are thus and so . And a mistaken explana- tion will not invalidate the facts of history . The subject of our history is the development , not of a single human race nor of the movements of a cen- tury , but the ...
Pagina 14
... facts which they discover in their daily work . And this is the strongest proof of the truth of any accepted theory . Inasmuch as it is accepted by all scientists and largely by the public , it is certainly worth your while to know ...
... facts which they discover in their daily work . And this is the strongest proof of the truth of any accepted theory . Inasmuch as it is accepted by all scientists and largely by the public , it is certainly worth your while to know ...
Pagina 21
... fact that the alligator and many snakes and turtles ( of which neither the young nor the embryos ever breathe by gills ) live almost en- tirely in the water , is no better reason for classifying these with amphibia than to call a whale ...
... fact that the alligator and many snakes and turtles ( of which neither the young nor the embryos ever breathe by gills ) live almost en- tirely in the water , is no better reason for classifying these with amphibia than to call a whale ...
Pagina 23
... facts . Agassiz especially emphasized and maintained the universality of the fact that there was a remarkable parallelism between em- bryos of later forms and adults of old or fossil groups . The embryos of higher forms , he said , pass ...
... facts . Agassiz especially emphasized and maintained the universality of the fact that there was a remarkable parallelism between em- bryos of later forms and adults of old or fossil groups . The embryos of higher forms , he said , pass ...
Altre edizioni - Visualizza tutto
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1897 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become beginning better birds body brain cells cerebrum characteristics conformity to environment conscious degeneration dominant ectoderm embryo embryology entoderm experience eyes fish functions future ganglion gastrula germ-plasm give groups heredity higher animals higher forms highest human hydra important increase individual insect instinct intelligence jaws knowledge laws layer legs living locomotion lower mammals man's marsupial ment mental mind mode modified mollusks moral motives muscles muscular muscular system natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception possible primitive probably progress protoplasm protozoa purely reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming theory of evolution tion tissues true truth turbellaria unselfishness variation velopment vertebral column vertebrates volvox young