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 32
Pagina 11
... birds , slowly as they increase , produce in a lifetime probably at least from twelve to twenty eggs . Now let us suppose that all these eggs developed , and all the birds lived out their normal period of life , and reproduced at the ...
... birds , slowly as they increase , produce in a lifetime probably at least from twelve to twenty eggs . Now let us suppose that all these eggs developed , and all the birds lived out their normal period of life , and reproduced at the ...
Pagina 15
... south or due But if from any mountain - top we can gain a clear bird's - eye view of its whole course , we easily dis- west . 16 THE WHENCE AND THE WHITHER OF MAN tinguish the THE PROBLEM : THE MODE OF ITS SOLUTION 15.
... south or due But if from any mountain - top we can gain a clear bird's - eye view of its whole course , we easily dis- west . 16 THE WHENCE AND THE WHITHER OF MAN tinguish the THE PROBLEM : THE MODE OF ITS SOLUTION 15.
Pagina 20
... bird . But a with hair . It has fore and hind legs . Its wings are the sides of the body . It has teeth . It suckles its young . In all these respects it differs from birds . It member that flying squirrels have a membrane stretch ...
... bird . But a with hair . It has fore and hind legs . Its wings are the sides of the body . It has teeth . It suckles its young . In all these respects it differs from birds . It member that flying squirrels have a membrane stretch ...
Pagina 21
... birds and whales with fish . All animals , like coral animals and starfishes , whose similar parts were arranged in lines radiating from a centre , were united as radiates , how- ever much they might differ in internal structure and ...
... birds and whales with fish . All animals , like coral animals and starfishes , whose similar parts were arranged in lines radiating from a centre , were united as radiates , how- ever much they might differ in internal structure and ...
Pagina 22
... bird , the archaeopteryx , had a long tail like that of a lizard , and teeth ; and thus stood in many respects almost midway between birds and rep- tiles . And most of the earliest forms were " compre- hensive , " uniting the ...
... bird , the archaeopteryx , had a long tail like that of a lizard , and teeth ; and thus stood in many respects almost midway between birds and rep- tiles . And most of the earliest forms were " compre- hensive , " uniting the ...
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