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, 1899 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 34
Pagina vi
... perceptions . - Association.— Inference and understanding . - Rational intelligence . - Modes of mental or nervous action . - Reflex action , unconscious and comparatively mechanical . -Instinctive action : The actor is conscious , but ...
... perceptions . - Association.— Inference and understanding . - Rational intelligence . - Modes of mental or nervous action . - Reflex action , unconscious and comparatively mechanical . -Instinctive action : The actor is conscious , but ...
Pagina 33
... perceive . Perhaps we might say that it has a mind and will of its own . It is safer to say that it is irritable , that is , it reacts to stimuli too feeble to be regarded as the It cause of its reaction . It engulfs microscopic plants ...
... perceive . Perhaps we might say that it has a mind and will of its own . It is safer to say that it is irritable , that is , it reacts to stimuli too feeble to be regarded as the It cause of its reaction . It engulfs microscopic plants ...
Pagina 38
... perception , thought , or will the animal possesses . This also gives rise to the effer- ent or motor impulses , which are conveyed by ( 3 ) a motor fibril to the corresponding muscle , exciting its contraction . But there are also ...
... perception , thought , or will the animal possesses . This also gives rise to the effer- ent or motor impulses , which are conveyed by ( 3 ) a motor fibril to the corresponding muscle , exciting its contraction . But there are also ...
Pagina 64
... perception for the body as a whole . It is more like our brain , com- mander - in - chief , the other ganglia constituting its staff . The sense - organs have improved greatly . There are tentacles and otolith vesicles as very delicate ...
... perception for the body as a whole . It is more like our brain , com- mander - in - chief , the other ganglia constituting its staff . The sense - organs have improved greatly . There are tentacles and otolith vesicles as very delicate ...
Pagina 80
... perception of more distant objects . The vertebrate has discovered the right path ; though a long journey still lies before it . The night is far spent , the day is at hand . CHAPTER IV VERTEBRATES : BACKBONE AND BRAIN In tracing man's ...
... perception of more distant objects . The vertebrate has discovered the right path ; though a long journey still lies before it . The night is far spent , the day is at hand . CHAPTER IV VERTEBRATES : BACKBONE AND BRAIN In tracing man's ...
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 - 1897 |
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 digestion and reproduction dominant embryo embryology entoderm existence experience eyes fish functions future ganglion gastrula germ-plasm give groups 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 race reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming tion tissues true truth turbellaria unselfishness variation velopment vertebral column vertebrates volvox young