. Transactions of the Entomological Society of London . m m Fig. 8. Machilis maritlma. The sternum with appendages of the ninthabdominal somite in the female: st, sternum; ^7, the coalescedbasal joints (protopodite) of one of the limbs, supporting, as inthe preceding somite, two branches, a, the exopodite, and b, theendopodite, modified so as to form the long, jointed, and setuloseposterior elements of the ovipositor and articulated to the base ofthe protopodite on the upper (dorsal) side of this, which is pro-duced into a large opcrculiform plate that meets its fellow in astraight suture in t
. Transactions of the Entomological Society of London . m m Fig. 8. Machilis maritlma. The sternum with appendages of the ninthabdominal somite in the female: st, sternum; ^7, the coalescedbasal joints (protopodite) of one of the limbs, supporting, as inthe preceding somite, two branches, a, the exopodite, and b, theendopodite, modified so as to form the long, jointed, and setuloseposterior elements of the ovipositor and articulated to the base ofthe protopodite on the upper (dorsal) side of this, which is pro-duced into a large opcrculiform plate that meets its fellow in astraight suture in the middle line and carries at its extremityan exopodite. In female Blaitulce, the great boat-shapedseventh sternum does duty for the opcrculiform productionsof the exopoditic portions of the protopoditcs of both thegenital somites in Machllls. hear big on the orirjin of 9. 167. rig. 9. Blatta, sp. Appendages of the ninth abdominal somite, orposterior gonapophyses, of the female, drawn from the samespecimen as fig. 7, and viewed from the dorsal or upper side, soas to show the triangular endopodites (5) answering to the pos-terior elements of the ovipositor in Machilis and Lepisma;a, the exopodites, which are as firmly chitinized and as deeplycoloured as, hut relatively even larger than, the obviously homo-logous styles of many male Blattidm (fig. 4, representingthe sternum, with appendages of the ninth abdominal sternumin the male of the same or an allied species) ; p, the coalescedbasal joints (protopodite) of the biramous limb of one side:the part of this that carries the exopodite is produced much asin Machilis (fig. 8), but instead of meeting its fellow of theojiposite side in the middle line, so as to conceal from theirorigin the endopodites that are attached to its own and to itsfellows base, meets its fellow only at the inner extremity, whereit is expa
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Keywords: ., bookauthorr, bookcentury1800, booksubjectentomology, bookyear1836
