Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina 2
... in 1871 , that the polyps of the Silurian age already practised it . We do not class among animal messmates those living creatures which , like the birds which we keep in cages , charm the ear with 2 ANIMAL PARASITES AND MESSMATES .
... in 1871 , that the polyps of the Silurian age already practised it . We do not class among animal messmates those living creatures which , like the birds which we keep in cages , charm the ear with 2 ANIMAL PARASITES AND MESSMATES .
Pagina 10
... polyps . Indeed , it is not rare to find other fishes in the medusæ . Dr. Gunther , who has arranged with so much care the rich collection of fishes in the British Museum , has shown us some specimens of the Labrax lupus , and of the ...
... polyps . Indeed , it is not rare to find other fishes in the medusæ . Dr. Gunther , who has arranged with so much care the rich collection of fishes in the British Museum , has shown us some specimens of the Labrax lupus , and of the ...
Pagina 22
... polyps , which increases with them . This colony has for its principal foundation a living Alcyonium , which covers the carapace , and as it develops , adapts itself perfectly to all the inequalities of the cephalothorax ; one might ...
... polyps , which increases with them . This colony has for its principal foundation a living Alcyonium , which covers the carapace , and as it develops , adapts itself perfectly to all the inequalities of the cephalothorax ; one might ...
Pagina 27
... polyps , of a rose or yellow colour , which extend like a living carpet round this habitation . Thirty- six years ago we have given the name of Hydractinia to these polyps , which were till then entirely unknown to naturalists , and ...
... polyps , of a rose or yellow colour , which extend like a living carpet round this habitation . Thirty- six years ago we have given the name of Hydractinia to these polyps , which were till then entirely unknown to naturalists , and ...
Pagina 34
... time problematical , deserve to be ranked among messmates , at least during their youth ; in fact , after being hatched , they live on the Corynes , the Hydractiniæ , and other polyps , 34 ANIMAL PARASITES AND MESSMATES .
... time problematical , deserve to be ranked among messmates , at least during their youth ; in fact , after being hatched , they live on the Corynes , the Hydractiniæ , and other polyps , 34 ANIMAL PARASITES AND MESSMATES .
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Termeni și expresii frecvente
abdomen abode acaridæ acarus amphipod animal annelids appearance Ascaris attacks become birds blood body Bothriocephalus Caligi carapace cavity cercaria cercariæ cestode cetacea ciliated cirrhipedes coast colour completely crab creatures crustaceans curious cysticerci cysticercus damp earth decapod distome echinoderm eggs embryos enclosed encysted female fish fleas gasteropod genus gives lodging harbours hatched hermaphrodite hooks host hymenoptera ichneumons infested inhabit insects intestines introduced isopod kind known larva larvæ leeches Leuckart live male manner messmates microscopic midst molluscs Mons mother mouth Müller natural naturalists neighbour nematode nourishment observed organs pagurus pass peculiar peritoneum pinnotheres plants polyps present prey produce Prof Professor Semper progeny remarkable resemble scolex seek sexes sexual sheep shell shelter side skin sometimes species sponge stomach Strongylus sucker tænia tæniæ Tania tape-worm trematode trichinæ usually whale worms young
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Pagina iv - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance