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 23
Pagina 4
... gain an inch , the gap - between himself and the next higher form shall be far greater than that between himself and the lowest monkey . " " And if this has been the history of thousands of other species , why should it not be true of ...
... gain an inch , the gap - between himself and the next higher form shall be far greater than that between himself and the lowest monkey . " " And if this has been the history of thousands of other species , why should it not be true of ...
Pagina 15
... or south or due west . But if from any mountain - top we can gain a clear bird's - eye view of its whole course , we easily dis- tinguish the main road , its turns become quite insig- THE PROBLEM : THE MODE OF ITS SOLUTION 15.
... or south or due west . But if from any mountain - top we can gain a clear bird's - eye view of its whole course , we easily dis- tinguish the main road , its turns become quite insig- THE PROBLEM : THE MODE OF ITS SOLUTION 15.
Pagina 16
... evolution be true , human his- tory is only the last page of the one history of all life . If we are to gain any adequate , true , extensive view of human progress , we must read more than this . 16 THE WHENCE AND THE WHITHER OF MAN.
... evolution be true , human his- tory is only the last page of the one history of all life . If we are to gain any adequate , true , extensive view of human progress , we must read more than this . 16 THE WHENCE AND THE WHITHER OF MAN.
Pagina 36
... gains the additional surface by folding and plaiting . And the complicated internal structure of higher ani- mals is in its last analysis such a folding and plaiting in order to maintain the proper ratio between the ex- posed surface of ...
... gains the additional surface by folding and plaiting . And the complicated internal structure of higher ani- mals is in its last analysis such a folding and plaiting in order to maintain the proper ratio between the ex- posed surface of ...
Pagina 47
... vascular cavity as serving both digestion and circulation . There is no anal opening , but indigestible material is still cast out through the mouth . The animal can gain sufficient oxygen to supply its muscles PROTOZOA TO WORMS 47.
... vascular cavity as serving both digestion and circulation . There is no anal opening , but indigestible material is still cast out through the mouth . The animal can gain sufficient oxygen to supply its muscles PROTOZOA TO WORMS 47.
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