. The animal kingdom, arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy. Zoology. 5S0 TNSECTA. T. lucifugus and flavicollis inhabit the south of France, living in the interior of trees. The exotic species have been but imperfectly characterised, Linnaeus having confounded several under the name of Embia, Latr., comprises several insects allied to Termes, butwith the head larger than the thorax ; tarsi 3-jointed; wings scarcely extending beyond the abdomen. [See my monograph on this exotic genus, published in Transac- tio
. The animal kingdom, arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy. Zoology. 5S0 TNSECTA. T. lucifugus and flavicollis inhabit the south of France, living in the interior of trees. The exotic species have been but imperfectly characterised, Linnaeus having confounded several under the name of Embia, Latr., comprises several insects allied to Termes, butwith the head larger than the thorax ; tarsi 3-jointed; wings scarcely extending beyond the abdomen. [See my monograph on this exotic genus, published in Transac- tions of the Linncean Society of London.,] The other Terrnitines have the tarsi 2-jointed ; the labial palpi indistinct, or very short; the antennae about 10-jointed ; the first segment of the thorax very small, and the hind wings smaller than the fore ones. They form the genus Psocus, Latr. (Termes, Hemerobius, Fabr.), These are insects with a short, soft, and gibbose body ; the head large ; the antennae setaceous ; wings roof-like, and but slightly veined. They are very active, and live on the bark of trees. We generally find in books of collections of plants, the P. pulsatorius, of a whitish colour, and which has been believed to produce the slight noise like the ticking of a clock, often heard in houses, whence its specific name. 5. The Perlides, which have three joints in the tarsi, the mandibles almost always membranous and small, with the hind wings broader than the fore wings, and folded at the inner edge. They consist of the genus Perla, Geoff.,— In which the body is elongate, narrow, and flattened ; the head rather large; antennae setaceous ; prothorax nearly square; the wings shutting horizontally on the body; and the abdomen generally terminated by two setae. Their larvae are aquatic, and are stated [by Latreille, but erroneously,] to reside in cases which they bear about with them. [They are naked, and resemble the imago, but are wingless.] Perla bicaudata, Linn. (P
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectzoology, bookyear1854
