The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895W. Blackwood and Sons, 1896 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 20
Pagina xii
... locomotion and locomotion before t And it is hardly less than a physiological ne that it should be so . The plant can and does living almost purely for digestion and reprod and the same is true of the lowest and most pri animals . A ...
... locomotion and locomotion before t And it is hardly less than a physiological ne that it should be so . The plant can and does living almost purely for digestion and reprod and the same is true of the lowest and most pri animals . A ...
Pagina 47
... locomotion , in larger ones the muscles are 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 ...
... locomotion , in larger ones the muscles are 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 ...
Pagina 59
... locomotion , had withdrawn , so to speak , from the world ; all the sense they needed was just enough to distinguish the particles of food as they swept past the mouth in the current of water . They have an abundance of food , and " wax ...
... locomotion , had withdrawn , so to speak , from the world ; all the sense they needed was just enough to distinguish the particles of food as they swept past the mouth in the current of water . They have an abundance of food , and " wax ...
Pagina 60
... locomotion . The high- est forms gave up the purely defensive campaign , de- veloped a powerful beak , led a life like that of the old Norse pirates , and were for a time the rulers and ter- rors of the sea . With their more rapid ...
... locomotion . The high- est forms gave up the purely defensive campaign , de- veloped a powerful beak , led a life like that of the old Norse pirates , and were for a time the rulers and ter- rors of the sea . With their more rapid ...
Pagina 65
... locomotion . That of the in- sect is still somewhat protective , but is mainly , almost purely , locomotive . It is never allowed to become so heavy as to interfere with locomotion . In the second place , the insect has three body ...
... locomotion . That of the in- sect is still somewhat protective , but is mainly , almost purely , locomotive . It is never allowed to become so heavy as to interfere with locomotion . In the second place , the insect has three body ...
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
amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite attained become birds body brain cavity cells cerebrum Cheaper Edition church conformity to environment conscious Crown 8vo degeneration Demy 8vo digestive dominant ectoderm embryo evolution experience eyes Fcap fish functions ganglion gastrula germ-plasm give groups higher forms highest human hydra Illustrations increase individual insect instinct intelligence laws layer legs living locomotion lower mammals man's marsupial ment mental mind mode modified mollusks moral muscles muscular natural selection nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral Portrait Post 8vo primitive probably Professor progress protoplasm protozoa purely reflex action reproductive reptiles result schematic worm Scotland segments selfish sense-organs sequence skeleton species stage structure struggle surface survive swimming theory tion true truth turbellaria University of Edinburgh variation velopment vertebral column vertebrates vols volvox WHITHER young