Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina viii
... PARASITES THAT ARE FREE WHEN OLD . Utility of Ichneumons - Scoliæ of Tan - beetles - Scolyti of Seychelles Cocoa - nut Trees - Elms at Brussels destroyed by Scolyti -Polynema in Eggs of Dragon - fly - Sphex - viii CONTENTS .
... PARASITES THAT ARE FREE WHEN OLD . Utility of Ichneumons - Scoliæ of Tan - beetles - Scolyti of Seychelles Cocoa - nut Trees - Elms at Brussels destroyed by Scolyti -Polynema in Eggs of Dragon - fly - Sphex - viii CONTENTS .
Pagina ix
Pierre Joseph Beneden. -Polynema in Eggs of Dragon - fly - Sphex - Platygaster - Horse - fly - Livingstone - Animals in Paraguay destroyed by Hippobosci - Dipterous Parasites on Sheep and Stag - Gordius- Shower of Worms - Eels in Ears of ...
Pierre Joseph Beneden. -Polynema in Eggs of Dragon - fly - Sphex - Platygaster - Horse - fly - Livingstone - Animals in Paraguay destroyed by Hippobosci - Dipterous Parasites on Sheep and Stag - Gordius- Shower of Worms - Eels in Ears of ...
Pagina xxiii
... eggs fecundated by different spermatozoids . Now that these transmigrations are perfectly known and admitted , the starting - point of the inquiry has been so entirely forgotten that the honour of the discovery has been frequently ...
... eggs fecundated by different spermatozoids . Now that these transmigrations are perfectly known and admitted , the starting - point of the inquiry has been so entirely forgotten that the honour of the discovery has been frequently ...
Pagina xxiv
... eggs into the world . Again , the pique - bœuf performs a surgical operation , each time that he opens with his lancet the tumour which encloses a larva in the midst of the buffalo's back . Nearer home , we see the starling render in ...
... eggs into the world . Again , the pique - bœuf performs a surgical operation , each time that he opens with his lancet the tumour which encloses a larva in the midst of the buffalo's back . Nearer home , we see the starling render in ...
Pagina 8
... eggs in the fringes of its branchiæ , and protects them till they are hatched ; another lays its eggs in holes hollowed out by itself in the steep banks of the river , and protects the young ones after they are hatched . To hatch the eggs ...
... eggs in the fringes of its branchiæ , and protects them till they are hatched ; another lays its eggs in holes hollowed out by itself in the steep banks of the river , and protects the young ones after they are hatched . To hatch the eggs ...
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Termeni și expresii frecvente
abdomen abode acaridæ amphipod animals annelids appearance attacks birds blood body Bothriocephalus branchial cavity Caligi carapace cavity cercaria cestode cirrhipedes coast completely crab creatures crustaceans curious cysticerci cysticercus damp earth decapod developed digestive distome echinoderm eggs embryos enclosed establish female fish fleas free messmates gasteropod genus gives lodging gnats harbours hatched Hirudinidæ hooks horse host ichneumons infested inhabit insects intestines isopod kind known larva larvæ leeches Leuckart lice live male manner mention messmates microscopic midst molluscs Mons mother mouth Müller naturalists neighbour nematode nourishment observed organs pagurus parasites pass peculiar peritoneum pinnotheres polyps prey produce Professor Semper Pulex remarkable resemble scolex seek sexes sexual shell shelter singular skin sometimes species sponge stomach Strongylus suck sucker Tænia solium tæniæ Tania tape-worm trematode true parasites tube 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