Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina 5
... cavity of the holothuriæ , or do they inhabit the arborescent respiratory processes which open at the posterior extremity of the body ? Until recently it was thought that it was in their stomach , but a doubt has arisen . Professor ...
... cavity of the holothuriæ , or do they inhabit the arborescent respiratory processes which open at the posterior extremity of the body ? Until recently it was thought that it was in their stomach , but a doubt has arisen . Professor ...
Pagina 7
... cavity of his mouth some very small fishes , which were for a long time con- sidered as young siluroids ; it was supposed that the mother brought her progeny to maturity in the cavity of the mouth , as marsupials do in the abdominal ...
... cavity of his mouth some very small fishes , which were for a long time con- sidered as young siluroids ; it was supposed that the mother brought her progeny to maturity in the cavity of the mouth , as marsupials do in the abdominal ...
Pagina 8
... cavity of the mouth , and we have seen some in the museum at Edinburgh , labelled with the name of Arius bookei . Louis Agassiz has made the same observa- tion on a fish of the Amazon , which has also been recognised by Jeffreys Wyman ...
... cavity of the mouth , and we have seen some in the museum at Edinburgh , labelled with the name of Arius bookei . Louis Agassiz has made the same observa- tion on a fish of the Amazon , which has also been recognised by Jeffreys Wyman ...
Pagina 9
... cavity of the Stromatea . But of all crustaceans , the most cruel is the isopod named Ichthyoxena , which hollows ... cavities , and in the midst of their long cirrhi , to little adult and perfect fishes , belonging to the family of the ...
... cavity of the Stromatea . But of all crustaceans , the most cruel is the isopod named Ichthyoxena , which hollows ... cavities , and in the midst of their long cirrhi , to little adult and perfect fishes , belonging to the family of the ...
Pagina 18
... cavity of the Pinna marina . This is the same animal which a naturalist of the last century named the Cancer custos . We have wished to ascertain whether Pliny knew these crustaceans . He has spoken of them in the fol- lowing terms ...
... cavity of the Pinna marina . This is the same animal which a naturalist of the last century named the Cancer custos . We have wished to ascertain whether Pliny knew these crustaceans . He has spoken of them in the fol- lowing terms ...
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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