Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina xvii
... 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 side with the reindeer and the narwhal , in the midst of eternal snow . We have our ...
... 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 side with the reindeer and the narwhal , in the midst of eternal snow . We have our ...
Pagina xxi
... give themselves up to these peregrinations , and those which do not arrive at their last stage , die usually with- out posterity . It is interesting to remark that these parasitical worms do not inhabit the various organs of their ...
... give themselves up to these peregrinations , and those which do not arrive at their last stage , die usually with- out posterity . It is interesting to remark that these parasitical worms do not inhabit the various organs of their ...
Pagina xxiii
... give birth to progeny which do not resemble each other ; the same animals , or rather the same species , proceed from two different eggs fecundated by different spermatozoids . Now that these transmigrations are perfectly known and ...
... give birth to progeny which do not resemble each other ; the same animals , or rather the same species , proceed from two different eggs fecundated by different spermatozoids . Now that these transmigrations are perfectly known and ...
Pagina xxiv
... give to those which , like the plover , render services which may be compared to medical attendance ? This bird in fact performs the office of dentist to the crocodile . A small species of toad acts as an accoucheur to his female ...
... give to those which , like the plover , render services which may be compared to medical attendance ? This bird in fact performs the office of dentist to the crocodile . A small species of toad acts as an accoucheur to his female ...
Pagina xxvi
... When God first elaborated matter , He had evidently that being in view who was intended at some future day to raise his thoughts to Him , and do Him homage . This is the answer which I would give to the xxvi INTRODUCTION .
... When God first elaborated matter , He had evidently that being in view who was intended at some future day to raise his thoughts to Him , and do Him homage . This is the answer which I would give to the xxvi INTRODUCTION .
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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