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, 1897 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 26
Pagina xiv
... beginning to recognize that the study of zoology is an essential prerequisite to , and firm foundation for , that of history , social science , phi- losophy , and theology , just as really as for medicine . An adequate knowledge of any ...
... beginning to recognize that the study of zoology is an essential prerequisite to , and firm foundation for , that of history , social science , phi- losophy , and theology , just as really as for medicine . An adequate knowledge of any ...
Pagina 17
... beginning through the ages held a steady course straight onward , and that deviation from this course has always led to failure or degeneration . From so vast a history we may hope to deduce some of the great laws of true success in ...
... beginning through the ages held a steady course straight onward , and that deviation from this course has always led to failure or degeneration . From so vast a history we may hope to deduce some of the great laws of true success in ...
Pagina 26
... beginning of life . Or , briefly stated , ontogenesis , or the embryonic development of the individual , is a brief recapitulation of phylogenesis , or the ancestral development of the phylum or group . The illustration and proof of ...
... beginning of life . Or , briefly stated , ontogenesis , or the embryonic development of the individual , is a brief recapitulation of phylogenesis , or the ancestral development of the phylum or group . The illustration and proof of ...
Pagina 34
... beginning of life may , appar- ently must , have been indefinitely farther back than the simplest now existing form . The study of the amœba cannot fail to raise a host of questions in the mind of any thoughtful man . As we have here ...
... beginning of life may , appar- ently must , have been indefinitely farther back than the simplest now existing form . The study of the amœba cannot fail to raise a host of questions in the mind of any thoughtful man . As we have here ...
Pagina 47
... beginning to assume this function and the animal moves by writhing . The bilateral symmetry has arisen in connection with this mode of locomotion and is thus a mark of important progress . In the turbellaria we find for the first time a ...
... beginning to assume this function and the animal moves by writhing . The bilateral symmetry has arisen in connection with this mode of locomotion and is thus a mark of important progress . In the turbellaria we find for the first time a ...
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 - 1899 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become better birds body brain cells conformity to environment conscious degeneration dominant ectoderm embryo embryology existence experience eyes fish functions future ganglion gastrula gills give groups 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 membrane ment mental mind mode modified mollusks moral mouth muscles muscular muscular system mutability of species natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral cavity 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 theory of evolution tion tissues true truth turbellaria unselfishness variation velopment vertebrates volvox young