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Show 114 MR. R. H. BURNE ON [Feb. 19, muscle as " wide, thick, and fleshy " \ so that it is unlikely that it was removed unobserved. Hyrtl says that in his specimen it was incorporated with the adductors. Rectus femoris (text-fig. 16, r.f.) rose, as in Tatusia and Dasypus*, by a single origin from the dorsal brim of the acetabulum. In Macalister's specimen it had the more usual double crigin. Text-fig. 17. r ftrlotjL' Muscles of inside of hind-limb of Chlamydophorus truncatus. add. i, u, adductor primus and se-cundus. b.f, biceps femoris. fl.p., flexor profundus (foot). y.e., external head of gastrocnemius. y.i., internal head of gastrocnemius. yr., gracilis. Up., ilio-psoas. oht.e.v., obturator externus. pi., plantaris. pop., popliteus. p.p., psoas parvus. pt., pectineus. p.t., pronator teres. q.f., quad rat us femoris. r.f, rectus femoris. em., semimembranosus. St., semitendinosus. t.p., tibialis posticus. t.p. n, tibialis posticus accesso-rius. v.i., vastus internus. Adductor secundus (text-fig. 17, add. ii) differed from Macalister's description in rising from the pubis superficial to the obturator externus, and not from the ventral support of the sphaeroma. The Gastrocnemius and Soleus (text-figs. 16 & 17, ge.,gi.,sol.) did 1 Macalister, 1. c. p. 263. 2 Macalister, 1. c. p. 264. |