The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . TRACHEARIiE. 4/1. or rounded, and generally soft: in some males, it is narrowed behind into a cylindrical tail. Thenumber of eyes is either two or four, and even six, according to Muller. Eijlais, Latr., has the chelicerae terminated by a moveable claw. A. extendcns, Fabr. Hydrachna, Latr., has the mouth composed of plates, formiiiap a projectingsucker, and the palpi have a moveable appendage beneath the geograpMcus, Fabr., A. glohator, Fabr. Lim
The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . TRACHEARIiE. 4/1. or rounded, and generally soft: in some males, it is narrowed behind into a cylindrical tail. Thenumber of eyes is either two or four, and even six, according to Muller. Eijlais, Latr., has the chelicerae terminated by a moveable claw. A. extendcns, Fabr. Hydrachna, Latr., has the mouth composed of plates, formiiiap a projectingsucker, and the palpi have a moveable appendage beneath the geograpMcus, Fabr., A. glohator, Fabr. Limnocharcs, Latr., has the mouth sucker-shaped, but the palpi are aquaticiis, Linn. [Other species of these water-mites have been describedby M. Theis, in the Annales des Set. Nat. for 1832]. [From the very valuable discoveries lately made by M. Dug&s, it appearsthat these water-mites undergo metamorphoses, accompanied by a completechange of form, the larva; having a very large head and six legs, whilst thepupae are inactive, attaching themselves, by a single pair of legs, to thebodies of other aquatic insects, and consisting, as it wer
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Keywords: ., bookcentury1800, bookdecade1840, booksubjecta, booksubjectzoology
