Animal Parasites and MessmatesD. Appleton, 1876 - 274 pagini |
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Pagina xiv
... show themselves in the digestive organs . It is by paying , not domiciliary , but stomachic visits , that we must be initiated into the details of this domestic The bill of fare of fossil animals , though economy . written in characters ...
... show themselves in the digestive organs . It is by paying , not domiciliary , but stomachic visits , that we must be initiated into the details of this domestic The bill of fare of fossil animals , though economy . written in characters ...
Pagina 32
... shows that these crusta- ceans make themselves at home , and live as true mess- mates . Cunningham has given them the name of Ceratothoa exoceti . A short time since , these Cymothoes were only known on marine fishes , but it appears ...
... shows that these crusta- ceans make themselves at home , and live as true mess- mates . Cunningham has given them the name of Ceratothoa exoceti . A short time since , these Cymothoes were only known on marine fishes , but it appears ...
Pagina 36
... show the most independence among all the inferior ranks of animals ; not only are they contented with the slowness of their pace and the wretchedness of their food , but they only very rarely seek help from their neighbours . It is not ...
... show the most independence among all the inferior ranks of animals ; not only are they contented with the slowness of their pace and the wretchedness of their food , but they only very rarely seek help from their neighbours . It is not ...
Pagina 39
... shows the end of the tube at the outside . It is this organ which sustains the struggle against the exuberant growth ... show that the young bivalves which are found in the external branchial processes of the Anadontæ are parasites , and ...
... shows the end of the tube at the outside . It is this organ which sustains the struggle against the exuberant growth ... show that the young bivalves which are found in the external branchial processes of the Anadontæ are parasites , and ...
Pagina 76
... show that Mons . Hesse has fairly interpreted facts ; but it appears to us probable that the whole of the history of these strange crustaceans is not fully known . Fishermen have long since known whale - lice , the Cyami of naturalists ...
... show that Mons . Hesse has fairly interpreted facts ; but it appears to us probable that the whole of the history of these strange crustaceans is not fully known . Fishermen have long since known whale - lice , the Cyami of naturalists ...
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Termeni și expresii frecvente
abdomen abode amphipod animals annelids appearance attached birds blood body Bothriocephalus branchial branchial cavity Caligi carapace cavity cercaria cestode cirrhipedes Claparède coast colony colour crab crustaceans curious cysticerci cysticercus damp earth decapod digestive distome echinoderm eggs embryos enclosed establish female fish flea free messmates gasteropod genus gives lodging harbours hatched hooks host ichneumons infested inhabit insects instal interior intestines isopod kind known larva larvæ leeches Lernæans Leuckart live lobster male manner medusa mention messmates microscopic midst molluscs Mons mother mouth Müller naturalists neighbour nematode nourishment observed organs pagurus parasites pass Peltogaster pinnotheres polyps present prey produce Prof Professor Semper progeny remarkable resemble scolex seek sexes sexual shell shelter singular skin sometimes species spicules sponge stomach Strongylus sucker tænia tæniæ Tania tape-worm trematode trichinæ 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