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 43
Pagina vi
... mammals . The development of skeleton , appendages , circulatory and respiratory systems , and brain . -Mammals : The oviparous monotremata . -Marsupials . - Placental mammals . - Development of the placenta . — Prim- ates . - Arboreal ...
... mammals . The development of skeleton , appendages , circulatory and respiratory systems , and brain . -Mammals : The oviparous monotremata . -Marsupials . - Placental mammals . - Development of the placenta . — Prim- ates . - Arboreal ...
Pagina vii
... mammal . — As a social being . - As a personal and moral being . - The con- flict between the higher and the lower in man . - As a religious being . — As hero . He has not yet attained . - Future man . He will utilize all his powers ...
... mammal . — As a social being . - As a personal and moral being . - The con- flict between the higher and the lower in man . - As a religious being . — As hero . He has not yet attained . - Future man . He will utilize all his powers ...
Pagina xi
... mammalian ancestral stages . But what kind of fish , what species of amphibian , what form of reptiles most closely resembles the old ancestor ? How did each of these ancestors look ? I do not know . It looks as if our ancestral tree ...
... mammalian ancestral stages . But what kind of fish , what species of amphibian , what form of reptiles most closely resembles the old ancestor ? How did each of these ancestors look ? I do not know . It looks as if our ancestral tree ...
Pagina 20
... 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 as wings . We naturally consider the wings as a sort of after ...
... 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 as wings . We naturally consider the wings as a sort of after ...
Pagina 22
... mammal , because of its form and aquatic life . When the comparative anatomy of fish , amphibia , and reptiles had been carefully studied it was evident that the amphibia stood far nearer the fish in general structure , while the higher ...
... mammal , because of its form and aquatic life . When the comparative anatomy of fish , amphibia , and reptiles had been carefully studied it was evident that the amphibia stood far nearer the fish in general structure , while the higher ...
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