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 30
Pagina vi
... conscious , but guided by heredity . - In- telligent action . The actor is conscious , guided by intelligence resulting from experience or observation . - The will stimulated by motives . - Appe- tites . - Fear and other prudential ...
... conscious , but guided by heredity . - In- telligent action . The actor is conscious , guided by intelligence resulting from experience or observation . - The will stimulated by motives . - Appe- tites . - Fear and other prudential ...
Pagina 38
... consciousness , and is the seat of whatever powers of 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 ...
... consciousness , and is the seat of whatever powers of 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 ...
Pagina 75
... consciousness , thought , and will , and from which no nerves proceed . Whether the primitive vertebrate had any cerebrum is still uncer- tain . 2. The mid - brain , which sends nerves to the eyes , and in this respect reminds us of the ...
... consciousness , thought , and will , and from which no nerves proceed . Whether the primitive vertebrate had any cerebrum is still uncer- tain . 2. The mid - brain , which sends nerves to the eyes , and in this respect reminds us of the ...
Pagina 117
... conscious of its food . It recognizes it partially by touch , perhaps also by feeling the waves caused by its approach . It seems also to recognize food at a little distance by a power comparable to our sense of smell . Stronger im ...
... conscious of its food . It recognizes it partially by touch , perhaps also by feeling the waves caused by its approach . It seems also to recognize food at a little distance by a power comparable to our sense of smell . Stronger im ...
Pagina 118
... conscious merely of objects , and its main effort is to gain a clearer and clearer perception of these . Now it is led to undertake , so to speak , the work of a sense - organ of a higher grade . It begins to directly see invisible ...
... conscious merely of objects , and its main effort is to gain a clearer and clearer perception of these . Now it is led to undertake , so to speak , the work of a sense - organ of a higher grade . It begins to directly see invisible ...
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