The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895C. Scribner's Sons, 1897 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 35
Pagina x
... Now , for some of the ancestral stages of man's de- velopment a very high degree of probability can be * See Phylogenetic Chart , p . 310 . claimed . One of man's earliest ancestors was almost certainly X INTRODUCTION.
... Now , for some of the ancestral stages of man's de- velopment a very high degree of probability can be * See Phylogenetic Chart , p . 310 . claimed . One of man's earliest ancestors was almost certainly X INTRODUCTION.
Pagina xi
... certainly a unicellular animal . A little later he very probably passed through a gastrea stage . He trav- ersed fish , amphibian , and reptilian grades . The oviparous monotreme and the marsupial almost cer- tainly represent lower ...
... certainly a unicellular animal . A little later he very probably passed through a gastrea stage . He trav- ersed fish , amphibian , and reptilian grades . The oviparous monotreme and the marsupial almost cer- tainly represent lower ...
Pagina 6
... Certainly not , unless I am less a man for having once been a baby . It is only when I am unusually cross and irri- table that I object to being reminded of my infancy . But a young child does not like to be reminded of it . He is ...
... Certainly not , unless I am less a man for having once been a baby . It is only when I am unusually cross and irri- table that I object to being reminded of my infancy . But a young child does not like to be reminded of it . He is ...
Pagina 12
... certainly perish . Thus favorable variations tend to increase and become more marked from generation to generation . Now it has always been known that breeders could produce a race of markedly peculiar form or character- istics by ...
... certainly perish . Thus favorable variations tend to increase and become more marked from generation to generation . Now it has always been known that breeders could produce a race of markedly peculiar form or character- istics by ...
Pagina 14
... certainly worth your while to know whether it has any bearing on the great moral and religious questions which you are considering . And in these lectures I shall take for granted , what some scientists still doubt , that man also is a ...
... certainly worth your while to know whether it has any bearing on the great moral and religious questions which you are considering . And in these lectures I shall take for granted , what some scientists still doubt , that man also is a ...
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 - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become better birds body brain cells conformity to environment conscious degeneration dominant ectoderm embryo embryology existence experience eyes fish functions future ganglion gastrula gills give groups higher animals higher forms highest human hydra important increase individual insect instinct intelligence jaws knowledge laws layer legs living locomotion lower mammals man's marsupial membrane ment mental mind mode modified mollusks moral mouth muscles muscular muscular system mutability of species natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral cavity possible primitive probably progress protoplasm protozoa purely race reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming theory of evolution tion tissues true truth turbellaria unselfishness variation velopment vertebrates volvox young