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 29
Pagina 20
... characteristics a mammal . It is fish - like only in characteristics which it might eas- ily have acquired in adaptation to its aquatic life . And other aquatic mammals , like the seals , in which these characteristics are much less ...
... characteristics a mammal . It is fish - like only in characteristics which it might eas- ily have acquired in adaptation to its aquatic life . And other aquatic mammals , like the seals , in which these characteristics are much less ...
Pagina 21
... characteristics were only skin - deep , evi- dently an adaptation to a mode of life like that of mollusks . The old artificial systems were based too much on merely external characteristics , the results of adaptation . When the ...
... characteristics were only skin - deep , evi- dently an adaptation to a mode of life like that of mollusks . The old artificial systems were based too much on merely external characteristics , the results of adaptation . When the ...
Pagina 22
... characteristics . Such less sharply marked , were usually by common consent placed at the bottom of the class . And this suited acteristics they were often more highly organized than well their general structure , while in particular ...
... characteristics . Such less sharply marked , were usually by common consent placed at the bottom of the class . And this suited acteristics they were often more highly organized than well their general structure , while in particular ...
Pagina 23
... characteristics of extinct genera of mammals exhibit everywhere indications that their living representatives in early life resemble them more than they do their own parents . A minute comparison of a young elephant with any mastodon ...
... characteristics of extinct genera of mammals exhibit everywhere indications that their living representatives in early life resemble them more than they do their own parents . A minute comparison of a young elephant with any mastodon ...
Pagina 41
... characteristics render it probable that it once lived on solid food and was For where almost the sole therefore an animal . difference between plants and animals is in the fluid or solid character of their food , a change from the one ...
... characteristics render it probable that it once lived on solid food and was For where almost the sole therefore an animal . difference between plants and animals is in the fluid or solid character of their food , a change from the one ...
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