The Life and Letters of George John Romanes ...Longmans, Green and Company, 1896 - 391 pages |
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Page 18
... organism , the latter remain- In the covered - eyed ' ing perfectly motionless . forms Romanes found that excision of the margin of the umbrella , or rather excision of the sense organs or marginal bodies , produced paralysis ; in this ...
... organism , the latter remain- In the covered - eyed ' ing perfectly motionless . forms Romanes found that excision of the margin of the umbrella , or rather excision of the sense organs or marginal bodies , produced paralysis ; in this ...
Page 20
... organism throw off inconceivably minute germs , or ' gemmules , ' which are then dispersed throughout the whole system . 2. That these gemmules , when so dispersed and supplied with proper nutriment , multiply by self - division , and ...
... organism throw off inconceivably minute germs , or ' gemmules , ' which are then dispersed throughout the whole system . 2. That these gemmules , when so dispersed and supplied with proper nutriment , multiply by self - division , and ...
Page 27
... organism thus mutilated responds with a single contraction to a nip with the forceps , also to various chemical stimuli . The chain of ganglia do the same , and further resemble the mutilated organism in contracting once to both make ...
... organism thus mutilated responds with a single contraction to a nip with the forceps , also to various chemical stimuli . The chain of ganglia do the same , and further resemble the mutilated organism in contracting once to both make ...
Page 28
... organism may be cut into a three - turned spiral , and on irritating the end , the whole contracts ; yet a moment's thought will show how trying this mode of section is to nervous connections . As the animal may be cut , as in the ...
... organism may be cut into a three - turned spiral , and on irritating the end , the whole contracts ; yet a moment's thought will show how trying this mode of section is to nervous connections . As the animal may be cut , as in the ...
Page 36
... organism . For if the hybrid , afterwards produced , presents equally the characters of the scion and the stock , then formative material must have been present in the tissues of the scion , and it is demonstrated that the somatic ...
... organism . For if the hybrid , afterwards produced , presents equally the characters of the scion and the stock , then formative material must have been present in the tissues of the scion , and it is demonstrated that the somatic ...
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18 Cornwall Terrace able Aldate's Animal Intelligence animals answer asked Athenæum Club Aubrey Moore believe Cambridge causes character Charles Darwin Christ Church course Darwin dear doubt Dunskaith essay experiments fact feel Francis Darwin friends G. J. ROMANES Geanies gemmules GEORGE JOHN ROMANES George Romanes give glad graft hear hope Huxley hybrid intercrossing interesting isolation jelly-fish kind lecture letter light look Medusa ment Mental Evolution mind Miss C. E. Romanes natural selection never observed organism origin Oxford Paget Pangenesis paper physiological selection plants polypite Professor published question regards Regent's Park Romanes Lecture Ross-shire Royal Society Sanderson scientific seeds seems self-adaptation sent sexual sincerely sonnet sorry species sterility suppose tell thanks theory thing thought tion tissue to-day variations Victor Horsley Weismann write written wrote yesterday