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 xii
... change in the form of our hist we have eliminated to a large extent the sources uncertainty and error . And the dominant function a group throws no little light on the details of anatomy . * See condensed Chart of Development , etc. , p ...
... change in the form of our hist we have eliminated to a large extent the sources uncertainty and error . And the dominant function a group throws no little light on the details of anatomy . * See condensed Chart of Development , etc. , p ...
Pagina 18
... changes would necessarily remain unnoticed or unexplained that you would hardly believe that they I could have any genetic relation or belong to one developmental series . for you But the history which I must attempt to condense is ...
... changes would necessarily remain unnoticed or unexplained that you would hardly believe that they I could have any genetic relation or belong to one developmental series . for you But the history which I must attempt to condense is ...
Pagina 23
... changes of frogs and toads coincide with what is known of their succes- sion in past ages . The characteristics of extinct genera of mammals exhibit everywhere indications that their living representatives in early life resemble them ...
... changes of frogs and toads coincide with what is known of their succes- sion in past ages . The characteristics of extinct genera of mammals exhibit everywhere indications that their living representatives in early life resemble them ...
Pagina 32
... change of form is a lower grade of the contractility of our muscular cells . Prick it with a needle and it con- tracts . It recognizes its food even at a microscopic. CHAPTER II PROTOZOA TO WORMS: CELLS, TISSUES, AND ORGANS Amoeba: Its ...
... change of form is a lower grade of the contractility of our muscular cells . Prick it with a needle and it con- tracts . It recognizes its food even at a microscopic. CHAPTER II PROTOZOA TO WORMS: CELLS, TISSUES, AND ORGANS Amoeba: Its ...
Pagina 41
... change from the one form into the other is not as difficult or improbable as one might naturally think . And plants and animals are here so near together , and travelling by roads so nearly parallel , that , even if volvox never was an ...
... change from the one form into the other is not as difficult or improbable as one might naturally think . And plants and animals are here so near together , and travelling by roads so nearly parallel , that , even if volvox never was an ...
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