Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina xix
... supposed , exceptional and strange beings , without any other organs than those of self- preservation . There is not , as was formerly supposed , a class of parasites , but all the classes of the animal kingdom include some among their ...
... supposed , exceptional and strange beings , without any other organs than those of self- preservation . There is not , as was formerly supposed , a class of parasites , but all the classes of the animal kingdom include some among their ...
Pagina 7
... supposed that the mother brought her progeny to maturity in the cavity of the mouth , as marsupials do in the abdominal pouch , or as some other fishes do . These messmates are per- fectly developed and adult , but instead of living on ...
... supposed that the mother brought her progeny to maturity in the cavity of the mouth , as marsupials do in the abdominal pouch , or as some other fishes do . These messmates are per- fectly developed and adult , but instead of living on ...
Pagina 10
... without touching the murderous hook which threatens the shark ; and as it never quits its companion , others have supposed that it lives on the morsels abandoned by it . Neither of these suppositions is 10 ANIMAL PARASITES AND MESSMATES .
... without touching the murderous hook which threatens the shark ; and as it never quits its companion , others have supposed that it lives on the morsels abandoned by it . Neither of these suppositions is 10 ANIMAL PARASITES AND MESSMATES .
Pagina 21
... supposed , but as true mess- mates . A crustacean possessed of but little generosity is the Lithoscaptus of Mons . Milne - Edwards . Provided with beak and claws for the purpose of attack , it instals itself , sad to say , in the pantry ...
... supposed , but as true mess- mates . A crustacean possessed of but little generosity is the Lithoscaptus of Mons . Milne - Edwards . Provided with beak and claws for the purpose of attack , it instals itself , sad to say , in the pantry ...
Pagina 23
... supposed that it takes advantage of the carapace of its neighbour , in order to transport itself at little expense into different latitudes , and it is asserted that the sight of this crustacean gave confidence to Christopher Colum- bus ...
... supposed that it takes advantage of the carapace of its neighbour , in order to transport itself at little expense into different latitudes , and it is asserted that the sight of this crustacean gave confidence to Christopher Colum- bus ...
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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
Pasaje populare
Pagina iv - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance