. Transactions of the Entomological Society of London . Fig. 5. Lej/isma, sp. The appendages of the ninth abdominal somite inthe male : p, the coalesced basal joints (protopodite) of one sidecarrying two branches, a, the exopodite, and b, the unmodifiedendopodites, which, with its fellow, answers to the posterior ele-ments of the ovipositor in the female, but which is lost in thesame segment in male Blattida in the coalescence of the twoprotopodites with one another and with the sternum (fig. 4);these endopodites are unquestionably represented in the pre-ceding somite by a pair of whisps of lo
. Transactions of the Entomological Society of London . Fig. 5. Lej/isma, sp. The appendages of the ninth abdominal somite inthe male : p, the coalesced basal joints (protopodite) of one sidecarrying two branches, a, the exopodite, and b, the unmodifiedendopodites, which, with its fellow, answers to the posterior ele-ments of the ovipositor in the female, but which is lost in thesame segment in male Blattida in the coalescence of the twoprotopodites with one another and with the sternum (fig. 4);these endopodites are unquestionably represented in the pre-ceding somite by a pair of whisps of long seta^, which whispshomologize with the more mesial of the two pairs of fringesof stiff yellow seta; in the somites anterior to the eighth, fromwhich we may confidently infer that the ancestors of Lepismapossessed two-branched appendages, like those of the ninth, toall the somites of their alnlomen. The sternum and the basal parts of the protopodites are notshown in the figure. 164: Prof. J. Wood-Masons Morphulogic<d Notes Fitr. Machdls maritlma, 5. The sternum with appendages of theeighth ahdominal somite: st, sternum; 2^> the coalesced basaljoints (protopodite) of the limb of one side supporting twobranches, a, the exopodite, and b, the endopodite, here modi-fied so as to form one of the four elements of the tubularovipositor. The inner margins of the enlarged and producedexopoditic portions of the protopodites are represented asdiverging from one anotlier more than they do in the livinginsect to permit of the mode of insertion of the endopoditesbeing seen. hearivfj on the orujin of Insects. Iff. /•
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Keywords: ., bookauthorr, bookcentury1800, booksubjectentomology, bookyear1836
