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 93
Pagina v
... Forms intermediate between amoeba and hydra : Magosphæra , volvox . - Embryonic development . - Turbellaria : Appearance of a body wall , of ganglion , and nerve - cords . CHAPTER III WORMS TO VERTEBRATES : SKELETON AND HEAD 55 Worms ...
... Forms intermediate between amoeba and hydra : Magosphæra , volvox . - Embryonic development . - Turbellaria : Appearance of a body wall , of ganglion , and nerve - cords . CHAPTER III WORMS TO VERTEBRATES : SKELETON AND HEAD 55 Worms ...
Pagina xii
... forms a zone encircling the mountain . Very similarly I find that , whatever gene- alogical tree I adopt , one sequence in the dominance . of functions characterizes them all ; digestion is domi- nant before locomotion and locomotion ...
... forms a zone encircling the mountain . Very similarly I find that , whatever gene- alogical tree I adopt , one sequence in the dominance . of functions characterizes them all ; digestion is domi- nant before locomotion and locomotion ...
Pagina xv
... forms are more completely conformed to their environment than lower ; and man has attained the most complete conformity of all . Our biological history is therefore a record of the results of successive efforts , each attaining a little ...
... forms are more completely conformed to their environment than lower ; and man has attained the most complete conformity of all . Our biological history is therefore a record of the results of successive efforts , each attaining a little ...
Pagina 4
... forms , not in any advance made , or victory won , by the species or individual . The most " aspiring ape , ' if ... form shall be far greater than that between himself and the lowest monkey . " " And if this has been the history of ...
... forms , not in any advance made , or victory won , by the species or individual . The most " aspiring ape , ' if ... form shall be far greater than that between himself and the lowest monkey . " " And if this has been the history of ...
Pagina 6
... forms ? Does not the same reasoning hold true , only with added force ? I firmly believe that we should all unhesitatingly answer , yes , could we but be assured that all men would everywhere and always believe that we , men , were the ...
... forms ? Does not the same reasoning hold true , only with added force ? I firmly believe that we should all unhesitatingly answer , yes , could we but be assured that all men would everywhere and always believe that we , men , were the ...
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