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 son, 1896 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 41
Pagina x
... book . * 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.
... book . * 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
... ancestor ? How did each of these ancestors look ? I do not know . It looks as if our ancestral tree were entirely uncertain and we were left without any founda- tion for history or argument . But the history of the development of ...
... ancestor ? How did each of these ancestors look ? I do not know . It looks as if our ancestral tree were entirely uncertain and we were left without any founda- tion for history or argument . But the history of the development of ...
Pagina xiii
... the higher must be present , even though invisible to any microscope . Our study of the worm is inadequate and likely to mislead us , unless we remember that a worm was the ancestor of man . And a biologist who INTRODUCTION xiii.
... the higher must be present , even though invisible to any microscope . Our study of the worm is inadequate and likely to mislead us , unless we remember that a worm was the ancestor of man . And a biologist who INTRODUCTION xiii.
Pagina xiv
... ancestor of man . And a biologist who can tell us nothing about man is neglecting his fairest field . Conversely history and social science will rest on a firmer basis when their students recognize that many human laws and institutions ...
... ancestor of man . And a biologist who can tell us nothing about man is neglecting his fairest field . Conversely history and social science will rest on a firmer basis when their students recognize that many human laws and institutions ...
Pagina 8
... ancestors lived on a barren soil beneath a forbidding sky . They were frozen in winter and parched in summer . Nature was to them no kind foster- mother , but a cruel stepmother , training them by stern discipline to battle with her and ...
... ancestors lived on a barren soil beneath a forbidding sky . They were frozen in winter and parched in summer . Nature was to them no kind foster- mother , but a cruel stepmother , training them by stern discipline to battle with her and ...
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
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become beginning better birds body brain cells cerebrum characteristics conformity to environment conscious degeneration dominant ectoderm embryo embryology entoderm experience eyes fish functions future ganglion gastrula germ-plasm give groups heredity 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 ment mental mind mode modified mollusks moral motives muscles muscular muscular system natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception possible primitive probably progress protoplasm protozoa purely 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 vertebral column vertebrates volvox young