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 Sons, 1899 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 38
Pagina v
... advance , but fails of the goal . - Its disadvantages . - Vertebrates : The internal loco- motive skeleton leads to backbone and brain . - Reasons for their dominance -The primitive vertebrate . CHAPTER IV VERTEBRATES : BACKBONE AND ...
... advance , but fails of the goal . - Its disadvantages . - Vertebrates : The internal loco- motive skeleton leads to backbone and brain . - Reasons for their dominance -The primitive vertebrate . CHAPTER IV VERTEBRATES : BACKBONE AND ...
Pagina vi
... advance of vertebrates from fish through amphibia and reptiles to mammals . — The development of skeleton , appendages , circulatory and respiratory systems , and brain . -Mammals : The oviparous monotremata . -Marsupials . - Placental ...
... advance of vertebrates from fish through amphibia and reptiles to mammals . — The development of skeleton , appendages , circulatory and respiratory systems , and brain . -Mammals : The oviparous monotremata . -Marsupials . - Placental ...
Pagina 3
... advance , others would degenerate . Each theory de- mands equally for its ultimate explanation a creative act ; the second as much as , if not more than , the first . According to the first theory the creative power has been distributed ...
... advance , others would degenerate . Each theory de- mands equally for its ultimate explanation a creative act ; the second as much as , if not more than , the first . According to the first theory the creative power has been distributed ...
Pagina 4
... advance made , or victory won , by the species or individual . The most " aspiring ape , ” if ever there was such a being , remains but an ape . He must comfort himself with the thought that , while he and his descendants can never gain ...
... advance made , or victory won , by the species or individual . The most " aspiring ape , ” if ever there was such a being , remains but an ape . He must comfort himself with the thought that , while he and his descendants can never gain ...
Pagina 16
... advance seems to alternate with retreat , progress with retrogression . To illustrate further , the great waves rush onward only to fall back again , and we can hardly tell whether the tide is flow- ing or ebbing . Yet already certain ...
... advance seems to alternate with retreat , progress with retrogression . To illustrate further , the great waves rush onward only to fall back again , and we can hardly tell whether the tide is flow- ing or ebbing . Yet already certain ...
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 - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1897 |
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 digestion and reproduction dominant embryo embryology entoderm existence experience eyes fish functions future ganglion gastrula germ-plasm give groups 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 race reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming tion tissues true truth turbellaria unselfishness variation velopment vertebral column vertebrates volvox young