Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina 19
... common with other crustaceans of his species , he carries on each side of his carapace , at the end of a movable stalk , a charming little globe , provided with some hundreds of eyes , which he can direct upon his prey , as the astro ...
... common with other crustaceans of his species , he carries on each side of his carapace , at the end of a movable stalk , a charming little globe , provided with some hundreds of eyes , which he can direct upon his prey , as the astro ...
Pagina 20
... common in the Viti Islands , in company with a gasteropod molluse , and both of them assume the exact colour of the polypidom . This is a new kind of mimicry . This crab is known by the name of Pisa Styx , the gasteropod is a Cypræa ...
... common in the Viti Islands , in company with a gasteropod molluse , and both of them assume the exact colour of the polypidom . This is a new kind of mimicry . This crab is known by the name of Pisa Styx , the gasteropod is a Cypræa ...
Pagina 30
... common that we can scarcely imagine it to have escaped the attention of any naturalist . Neverthe- less , no work makes mention of the regular attendance on the Labra by the Anilocra , which bears , we know not why , the specific name ...
... common that we can scarcely imagine it to have escaped the attention of any naturalist . Neverthe- less , no work makes mention of the regular attendance on the Labra by the Anilocra , which bears , we know not why , the specific name ...
Pagina 32
... common on prawns , are known under the name of Bopyrus . An interesting division of amphipods have received the name of Hyperinæ . These crustaceans generally swim with facility , but walk with difficulty . They there- fore usually have ...
... common on prawns , are known under the name of Bopyrus . An interesting division of amphipods have received the name of Hyperinæ . These crustaceans generally swim with facility , but walk with difficulty . They there- fore usually have ...
Pagina 41
... common mussel . These animals are of small size , group themselves in colonies on the surface of shells and of polyparies , or even on crustaceans , and form by their union a fine kind of lace , the dazzling whiteness of which often ...
... common mussel . These animals are of small size , group themselves in colonies on the surface of shells and of polyparies , or even on crustaceans , and form by their union a fine kind of lace , the dazzling whiteness of which often ...
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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