Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina xii
... Embryos ... ... 79. - Larva of Black Stylops ... ... ... ... 30 311 ... 32 . 252 252 ... 253 ... 253 ... 254 256 257 ... 257 80. - Cochineal Insects , male 81. - Ditto , female 82. - Aphis 263 ... ... ... ... ... ... 264 264 ... 83 ...
... Embryos ... ... 79. - Larva of Black Stylops ... ... ... ... 30 311 ... 32 . 252 252 ... 253 ... 253 ... 254 256 257 ... 257 80. - Cochineal Insects , male 81. - Ditto , female 82. - Aphis 263 ... ... ... ... ... ... 264 264 ... 83 ...
Pagina 80
... embryos that have failed to come to maturity . In this manner lobsters give lodgings in the midst of their eggs to a ... embryos are hatched . In the midst of them lives an animal of extreme agility , which is perhaps the most ...
... embryos that have failed to come to maturity . In this manner lobsters give lodgings in the midst of their eggs to a ... embryos are hatched . In the midst of them lives an animal of extreme agility , which is perhaps the most ...
Pagina 81
... embryos which die , and the decomposition of which might be fatal to his host and his progeny . These Histriobdellæ have the same duty to perform as vultures and jackals , which clear the plains of carcases . That which causes us to ...
... embryos which die , and the decomposition of which might be fatal to his host and his progeny . These Histriobdellæ have the same duty to perform as vultures and jackals , which clear the plains of carcases . That which causes us to ...
Pagina 100
... embryos directly they are placed in pure water or damp earth . Some years ago they had no idea of the migration of animals from one body to another . As we have said elsewhere , Abildgard , half a century ago , made experi- ments on the ...
... embryos directly they are placed in pure water or damp earth . Some years ago they had no idea of the migration of animals from one body to another . As we have said elsewhere , Abildgard , half a century ago , made experi- ments on the ...
Pagina 158
... embryos which proceed from the eggs become sexual worms at the end of twenty - four hours after they have left the body . This fact was first observed by M. Mecznikow , while he was working in my laboratory , and taking part in my ...
... embryos which proceed from the eggs become sexual worms at the end of twenty - four hours after they have left the body . This fact was first observed by M. Mecznikow , while he was working in my laboratory , and taking part in my ...
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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