. Smithsonian miscellaneous collections. (SA), or at union of the latter with pleural apo-physis (PIA) ; insertion on inner rim of base of coxa (Cx). The following nine muscles (yo to ^8) pertain to the segments ofthe telopodite of the prothoracic leg. Three branches of the depressorof the trochanter (//) have their origins within the body. yo. Levator of tJie trochanter (fig. 36 A).—Origin dorsally in an-terior part of coxa; fibers converge to insertion on tendon arising fromdorsal lip of base of trochanter. This is the lifting muscle of thetelopodite. yi. Depressor of the trochanter (figs. 3
. Smithsonian miscellaneous collections. (SA), or at union of the latter with pleural apo-physis (PIA) ; insertion on inner rim of base of coxa (Cx). The following nine muscles (yo to ^8) pertain to the segments ofthe telopodite of the prothoracic leg. Three branches of the depressorof the trochanter (//) have their origins within the body. yo. Levator of tJie trochanter (fig. 36 A).—Origin dorsally in an-terior part of coxa; fibers converge to insertion on tendon arising fromdorsal lip of base of trochanter. This is the lifting muscle of thetelopodite. yi. Depressor of the trochanter (figs. 33 A, B, C, 36 A).—A five-branched muscle, two groups of fibers arising in the coxa and three inthe prothorax, all converging upon a strong apodeme arising fromventral lip of base of trochanter (fig. 36 A, yiAp). The coxal branchesarise anteriorly (/la) and posteriorly in ventral part of coxa; of thethree body branches the first (/ib) arises dorsally on anterior margin NO. 2 THORACIC MECHANISM OF A GRASSHOPPER SNODGRASS 57 -Wflh .^^. PIA69 ,71c
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience
