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 33
Pagina vi
... young and love of mates . - The dawn of unselfishness . - Motives furnished by the rational intelligence : Truth , right , duty . - Recapitulation : The will , stimulated by ever higher motives , is finally to be dominated by ...
... young and love of mates . - The dawn of unselfishness . - Motives furnished by the rational intelligence : Truth , right , duty . - Recapitulation : The will , stimulated by ever higher motives , is finally to be dominated by ...
Pagina 6
... young child does not like to be reminded of it . He is afraid that some one will take him for a baby still . And the snob is always desperately afraid that some one will fail to notice what a high - born gentle- man he is . Now man can ...
... young child does not like to be reminded of it . He is afraid that some one will take him for a baby still . And the snob is always desperately afraid that some one will fail to notice what a high - born gentle- man he is . Now man can ...
Pagina 13
... young of any species of insect in a given area may be said to run a race of which the prize is life , and the losing of which means literally death . The competition is inconceivably severe . How indefinitely slight will be the ...
... young of any species of insect in a given area may be said to run a race of which the prize is life , and the losing of which means literally death . The competition is inconceivably severe . How indefinitely slight will be the ...
Pagina 20
... young . In all these respects it differs from birds . It differs from mammals only in its wings . But we re- member that flying squirrels have a membrane stretch- ing along the sides of the body and serving as a para- chute , though not ...
... young . In all these respects it differs from birds . It differs from mammals only in its wings . But we re- member that flying squirrels have a membrane stretch- ing along the sides of the body and serving as a para- chute , though not ...
Pagina 21
... young salamander , like all amphibia , breathes by gills , its skeleton differs greatly from , and is far weaker than , that of the lizard , and there are important differences in the circulatory and other systems . Moreover , practi ...
... young salamander , like all amphibia , breathes by gills , its skeleton differs greatly from , and is far weaker than , that of the lizard , and there are important differences in the circulatory and other systems . Moreover , practi ...
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