Animal Parasites and MessmatesD. Appleton and Company, 1876 - 274 pagini |
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Pagina ix
... Individuals - Polystomum of Frog - Gyrodactyles- Cochineal Insect - Aphides - Phylloxera of Vine - An Acaris , its Mortal Enemy - Ant - Cows - Bonnet's Theory of Germs- The Reduvius personatus , a valuable enemy to the Bed - bug ... 183 ...
... Individuals - Polystomum of Frog - Gyrodactyles- Cochineal Insect - Aphides - Phylloxera of Vine - An Acaris , its Mortal Enemy - Ant - Cows - Bonnet's Theory of Germs- The Reduvius personatus , a valuable enemy to the Bed - bug ... 183 ...
Pagina xxiii
... individuals of the two sexes which do not resemble their mother , and whose habitual abode is not in the lungs of the frog but in damp earth . In other words , let us imagine a mother , born a widow , who cannot exist without the ...
... individuals of the two sexes which do not resemble their mother , and whose habitual abode is not in the lungs of the frog but in damp earth . In other words , let us imagine a mother , born a widow , who cannot exist without the ...
Pagina xxvi
... individuals than in those who enjoy the most robust health . On the contrary , all wild animals harbour their parasitical worms , and the greater part of them have not lived long in captivity , before nematode and cestode worms ...
... individuals than in those who enjoy the most robust health . On the contrary , all wild animals harbour their parasitical worms , and the greater part of them have not lived long in captivity , before nematode and cestode worms ...
Pagina 14
... individuals ; and a great many of them need the continual assistance of their neighbours to enable them to get their living . While other animals advance towards perfection as they grow older , it is far different with many crustaceans ...
... individuals ; and a great many of them need the continual assistance of their neighbours to enable them to get their living . While other animals advance towards perfection as they grow older , it is far different with many crustaceans ...
Pagina 30
... individual . Some years ago a school of large cetaceans , known under the name of Grindewhalls or Globicephala were pursued in the Mediterranean , and those which were captured contained in the cavity of their nostrils , isopods closely ...
... individual . Some years ago a school of large cetaceans , known under the name of Grindewhalls or Globicephala were pursued in the Mediterranean , and those which were captured contained in the cavity of their nostrils , isopods closely ...
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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
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Pagina iv - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance