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 32
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 cause of its reaction . It 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 cause of its reaction . It 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 sense - organs are appearing , fitted to aid in a wider has discovered the right path ; though a long journey still lies before it . The night is far spent , the day is at hand ...
... perception of more distant objects . The vertebrate sense - organs are appearing , fitted to aid in a wider has discovered the right path ; though a long journey still lies before it . The night is far spent , the day is at hand ...
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