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 38
Pagina x
... stages of development and the attainments of stage have been clearly perceived . In other wo the first prerequisite would seem to be a genealogic tree of the animal kingdom . The means of trac this genealogical tree are given in the ...
... stages of development and the attainments of stage have been clearly perceived . In other wo the first prerequisite would seem to be a genealogic tree of the animal kingdom . The means of trac this genealogical tree are given in the ...
Pagina xi
... stage . He trav- ersed fish , amphibian , and reptilian grades . The oviparous monotreme and the marsupial almost cer- tainly represent lower mammalian ancestral stages . But what kind of fish , what species of amphibian , what form of ...
... stage . He trav- ersed fish , amphibian , and reptilian grades . The oviparous monotreme and the marsupial almost cer- tainly represent lower mammalian ancestral stages . But what kind of fish , what species of amphibian , what form of ...
Pagina xiii
... stages of animal and human development , if we can further be convinced that the sequence is irreversible , we shall be convinced that future man will be more and more com- pletely controlled by the very highest powers or aims to which ...
... stages of animal and human development , if we can further be convinced that the sequence is irreversible , we shall be convinced that future man will be more and more com- pletely controlled by the very highest powers or aims to which ...
Pagina xiv
... be a chaos of forces aiding or destroy ing good and bad , fit and unfit , alike . But our history of animal and human progress shows us successive stages , each a little higher than the pre- XV ceding , and surviving , for a time at.
... be a chaos of forces aiding or destroy ing good and bad , fit and unfit , alike . But our history of animal and human progress shows us successive stages , each a little higher than the pre- XV ceding , and surviving , for a time at.
Pagina 5
... stages shows no trace of flowers , but of leaves only . Later a branch or twig , similar in ' structure to all the rest , shortens . The cells and tis- sues which in other twigs turn into green leaves here become the petals and other ...
... stages shows no trace of flowers , but of leaves only . Later a branch or twig , similar in ' structure to all the rest , shortens . The cells and tis- sues which in other twigs turn into green leaves here become the petals and other ...
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