The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . rax very rough, and spined or tubercled at the sides in the middle, with the third, fourth, and fifth joints of theantennae evidently thicker than the following, thickened, and rounded at the tip. C. heros, Fab., is an abundantcontinental species, the larva of which forms deep burrows in oak wood, and which is probably the Cossxis of theancients. We unite in the same subgenus different species of Callichroma of Dejean, having the thorax entire or scarcelyuneq
The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . rax very rough, and spined or tubercled at the sides in the middle, with the third, fourth, and fifth joints of theantennae evidently thicker than the following, thickened, and rounded at the tip. C. heros, Fab., is an abundantcontinental species, the larva of which forms deep burrows in oak wood, and which is probably the Cossxis of theancients. We unite in the same subgenus different species of Callichroma of Dejean, having the thorax entire or scarcelyunequal, and either oval or subcylindrical. These are exotic, and nearly all from America, being of small size. We further unite in the same genus the Gnonue of Dejean, having the thorax very long and cylindrical. The Cerambycini with the antennae generally scarcely longer than the body, the thorax always unarmed, andsometimes nearly globular or orbicular, and sometimes narrower and subcylindrical, the palpi always very short,terminated by a thicker joint than in the preceding, form the genus Callidium, which now constitutes three:—. COLEOPTERA. 54/ Certallum, Dej., has the head at least as broad as the thorax, which is cylindrical, or slig-litly dilated in themiddle. Type, C. ruficoUe, Fabr. [a French species]. Clytus, Fab., Las the head narrower than the thorax, nearly globular. Clytus areuatus, [a rare British species,and others]. Callidium, has the thorax in like manner broader than the head, flattened, and orbicular. [Callid. Bajulum, avery common insect, very destructive to wooden posts and rails.] We terminate this tribe by insects which, in respect to the palpi, the form of the head, thorax, andelytra, as well as their respective proportions, offer various exceptions or anomcilies, commencing withthose in which the thorax has a form analogous to that of Certallum. It is of the breadth of the headand of that of the base of the elytra, or scarcely narrower, and either subcy
Size: 1727px × 1447px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1840, booksubjecta, booksubjectzoology
