Le règne animal distribué d'après son organisation : la formation d'une histoire naturelle des animaux et d'introduction à l'anatomie comparée . gnot eatables seulement, mais aussi la soie et laine rongeant les matériaux, et même des chaussures ; ils seront aussi eatother les insectes. Certaines espèces de Sphex faire warupon entre eux. [Les espèces sont très nombreuses, et ont pris dernièrement des beenformed dans un nombre considérable de genres par serville et Burmeister : Latreille, cependant, les a conservés dans ^^ /i, /^ t le seul genre Blatta orientalis Blatta.] [la] cafard commun est un inchlong ; le mâle est meublé avec des ailes plus courtes que

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The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . gnot only eatables, but gnawing also woollen and silk materials, and even shoes; they will also eatother insects. Some species of Sphex make warupon them. [The species are very numerous, and have lately beenformed into a considerable number of genera by Serville and Burmeister: Latreille, however, retained them under ^, / /i^ t^ the single genus Blatta.] Blatta orientalis [the common Cockroach] is an inchlong; the male is furnished w ith wings shorter than theabdomen; the female has only short rudiments. Theeggs, 16 in number, are symmetrically arranged in anoval compressed case, which is at first white, but subse-quently brown and solid, denticulated on one side; thefemale carries it about with her for some time at theextremity of the body; she then attaches it to varioussubstances by means of a gummy secretion. This speciesis a scourge both to the inhabitants of Russia and Fin-land. It has been supposed to have come from SouthAmerica, whilst others give Asia as its native country.. * Or. Leach divided the other Orthoptcra into two other orders, Those with the wings folded loii^itudiually, and with the wing cover*meeting in a straight line, were his Orthoptera ; and those with th< elytra jrossing each other, and theorder Dictyoptera [Blatta^. lilarly placed, form hij ORTHOPTERA. 559 Blatia lapponica, devours the cured fish which the Laplanders have provided for their sustenance, in lieu ofbread. In our country it inhabits woods, [which leads to the suspicion that the species thus named are notidentical]. M. Hummel has published a series of very interesting observations on Blatta germanica, in hisEssais Entomologiques. The third genus, that of Mantis, Linn., —Has also five joints in all the tarsi, and the wings simply folded longitudinally, but the head isexposed, and the body long and narrow; the palpi are also short and poin

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• bookcentury1800
• bookdecade1840
• booksubjecta
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