The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . s being very large, and their poison much more morsitans is called, in the Antilles, the Malfaisante. Some of them exhibit a luminousproperty. The spiracles are more like those of Insects than those of the preceding family, and are eitherlateral or dorsal. This family (in the arrangement of Dr. Leach composing the order Syngnatha) may, from the last-mentioned characters, and the nature of its respiratory and locomotive organs, be thus div


The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . s being very large, and their poison much more morsitans is called, in the Antilles, the Malfaisante. Some of them exhibit a luminousproperty. The spiracles are more like those of Insects than those of the preceding family, and are eitherlateral or dorsal. This family (in the arrangement of Dr. Leach composing the order Syngnatha) may, from the last-mentioned characters, and the nature of its respiratory and locomotive organs, be thus divided. Some 7 tbe lower lip of thr Chilot^ath*. and representing, intoDf^e of Ibe Cmslacea, but itble to perform &lso the;, Smrifiiy names it ibe 6rst aosilinrjr lii> of Sarigoy. It is nut articulated with tbehe axiterior extremity uf the fi^^t cemisc^ment. It mny also represent the lower lip of masticating insects. YieroDn other relations furnished by tbe Entomosift, I consider tbat the lesfs o( the hexnpod Insects,_3___ _ tbe six foot-jaws of the decapod In this c&se ibejr are only 48G INSECTA. have only fifteen* pairs of feet; and their body, wlien seen from above, exhibits fewer segments ihaiiwhen seen from beneath. Scutiffera, Lamarck [CtTmatia^ Illiger), forming a g-enus very distinct from the rest of this family, has the bodycovered by eight shield-like plates, beneath each of which M. de Serrcs has observed two pneumatic sacs, or vesi-cular trachere, communicating with tubular, lateral, and inferior tracheae. The under side of the body is dividedinto fifteen semi-segments, each bearing a pair of legs terminated by a very long, slender, and multiarticulatedtarsus: the hind pairs are very long. The eyes are large and facetted. They fonn the passage from the precedingfamily to the present. They are very active, and often lose some of their legs when touched. The Frenchs^eciQ^ {Scolopendre a vingt-huit pattes, Geoff.,—S. coleoptrat


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Keywords: ., bookauthorwe, bookcentury1800, bookdecade1840, booksubjectanimals