Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina xxvi
... harbour their parasitical worms , and the greater part of them have not lived long in captivity , before nematode and cestode worms completely disappear . It is only the imprisoned parasites which do not desert them . All these mutual ...
... harbour their parasitical worms , and the greater part of them have not lived long in captivity , before nematode and cestode worms completely disappear . It is only the imprisoned parasites which do not desert them . All these mutual ...
Pagina 7
... harbours an amphipod crus- tacean , which until lately has escaped the vigilance of carcinologists . We shall speak of it further on . Dr. Collingwood saw a sea anemone in the Chinese Sea , which was not less than two feet in diameter ...
... harbours an amphipod crus- tacean , which until lately has escaped the vigilance of carcinologists . We shall speak of it further on . Dr. Collingwood saw a sea anemone in the Chinese Sea , which was not less than two feet in diameter ...
Pagina 18
... harbours two different kinds of messmates . This illustrious natural philosopher also described a Pon- tonia ( Pontonia custos , Guérin - P . Pyrrhena , M. Edw . ) about an inch and a half long , of a pale rose colour , more or less ...
... harbours two different kinds of messmates . This illustrious natural philosopher also described a Pon- tonia ( Pontonia custos , Guérin - P . Pyrrhena , M. Edw . ) about an inch and a half long , of a pale rose colour , more or less ...
Pagina 31
... harbour them . He has , however , made one exception with regard to a fish from the roadstead of Pondicherry , which is two feet long , and is called a Bat . It is known to naturalists under the name of Stromatea Nigra ; its flesh is ...
... harbour them . He has , however , made one exception with regard to a fish from the roadstead of Pondicherry , which is two feet long , and is called a Bat . It is known to naturalists under the name of Stromatea Nigra ; its flesh is ...
Pagina 34
... harbours them , has its own species . Are they parasites or messmates ? If we are to believe Roussel de Vauzème , they feed on the skin itself of the whale , the remains of which , it is said , are found in their stomach . According to ...
... harbours them , has its own species . Are they parasites or messmates ? If we are to believe Roussel de Vauzème , they feed on the skin itself of the whale , the remains of which , it is said , are found in their stomach . According to ...
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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