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 42
Pagina 4
... better he now is ? Would it not be contrary to the w course of past history , if you can properly call su record a history , if he could advance at all ? No have no wish to misrepresent this or any honestly cepted theory , but it ...
... better he now is ? Would it not be contrary to the w course of past history , if you can properly call su record a history , if he could advance at all ? No have no wish to misrepresent this or any honestly cepted theory , but it ...
Pagina 12
... better escape its enemies or to resist unfavor- able conditions , those of its descendants who inherit be the most likely to escape , those without it to perish . most markedly this peculiar quality or variation will If a form varies ...
... better escape its enemies or to resist unfavor- able conditions , those of its descendants who inherit be the most likely to escape , those without it to perish . most markedly this peculiar quality or variation will If a form varies ...
Pagina 21
... better crustacean . Its molluscan 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 ...
... better crustacean . Its molluscan 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 ...
Pagina 37
... better than one ? We can frame hypotheses ; we know nothing about it . What of the mind of the amoeba ? A host of questions throng upon us and we can answer no one of them . All the great questions concerning life confront us here in ...
... better than one ? We can frame hypotheses ; we know nothing about it . What of the mind of the amoeba ? A host of questions throng upon us and we can answer no one of them . All the great questions concerning life confront us here in ...
Pagina 52
... better done . Three portions can be readily dis- tinguished fore - intestine with the mouth , mid - intes- tine , as the seat of digestion and absorption , and hind- intestine , or rectum , with the anal opening . The front and hind ...
... better done . Three portions can be readily dis- tinguished fore - intestine with the mouth , mid - intes- tine , as the seat of digestion and absorption , and hind- intestine , or rectum , with the anal opening . The front and hind ...
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