Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina xvii
... skin to protect him from the inclemency of the season . Thanks to the animal which gives us his flesh and his fleece , we are able to leave the southern regions , to brave the rigour of other climes , and establish ourselves side by ...
... skin to protect him from the inclemency of the season . Thanks to the animal which gives us his flesh and his fleece , we are able to leave the southern regions , to brave the rigour of other climes , and establish ourselves side by ...
Pagina 14
... skin ; everything else has disappeared , and there remains no proper organ except that which is necessary for the reproduction of the species . Corpulent , blind , impotent , legless cripples , their existence is more precarious than ...
... skin ; everything else has disappeared , and there remains no proper organ except that which is necessary for the reproduction of the species . Corpulent , blind , impotent , legless cripples , their existence is more precarious than ...
Pagina 30
... skin of a fresh- water fish of Borneo , the Notopterus hypselonotus . This same genus includes a species ( Ega spongiophila ) which lives in the magnificent sponge , the Euplectella . We know also a certain number of isopods which ...
... skin of a fresh- water fish of Borneo , the Notopterus hypselonotus . This same genus includes a species ( Ega spongiophila ) which lives in the magnificent sponge , the Euplectella . We know also a certain number of isopods which ...
Pagina 34
... skin itself of the whale , the remains of which , it is said , are found in their stomach . According to this naturalist , the parts of the mouth are not adapted for suction , and the stomach contains ruminating apparatus . We think ...
... skin itself of the whale , the remains of which , it is said , are found in their stomach . According to this naturalist , the parts of the mouth are not adapted for suction , and the stomach contains ruminating apparatus . We think ...
Pagina 35
... skin of their host , where they are always visible , preserve their colours entire , and never change their costume for the undress of a parasite . The Pandari live especially on the Squalidæ . Some which are found in our seas are of ...
... skin of their host , where they are always visible , preserve their colours entire , and never change their costume for the undress of a parasite . The Pandari live especially on the Squalidæ . Some which are found in our seas are of ...
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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