-158 PHYSIOLOGICAL SERIES. 



brevis is calcaneal than in the Gibbon this part supplies 

 II. & in. ; that rising from the deep flexor tendons, iv. 

 only. The plantaris is absent. 0. G. 64 M/. 



Presented l>y C. Dent, Esq. 



C. 236. Right hind-limb of an Orang-Outang (Simia satyrus), 

 showing more particularly certain of the deeper muscles 

 surrounding- the hip-joint and those upon the plantar 

 surface of the foot. The scansorius is well marked. In 

 the foot there is a small flexor accessorius. The flexor 

 fibularis (flex. long, hallucis) supplies in. & iv. The 

 flexor tibialis (flex, longus digitorum) n. & v. There is 

 no deep tendon to the hallux. 0. C. 64 M g. 



Presented by Victor Horsley, Esq. 



C. 237. Left knee of an Orang-Outang (Simia satyrus), showing 

 the origin of the popliteus from the joint-capsule and fibula- 

 head as well as from the more ordinary position on the 

 external femoral condyle. 0. 0. 64 M h. 



Presented by Victor Horsley, Esq. 



C. 238. Right hind-limb of a Gorilla (Anthropopithecus gorilla] , 

 showing the superficial muscles. The ectogluteal sheet is 

 continuous. The two heads of the biceps are entirely 

 separate at their insertion. The muscle-fibres both in the 

 gastrocnemius and soleus extend to the heel. There is no 



O 



plantaris. 0. C. 64 N c. 



C. 239. Deep muscles of the left hind-limb of a Gorilla (Anthro- 

 popithecus gorilla) with arteries. There is a well-marked 

 prsn-semimembranosus. 0. C. 64 N d. 



C. 240. The deep plantar tendons from the left foot of a Gorilla 

 (Anthropopithecus gorilla}, with the flexor brevis digitorum, 

 accessorius and lumbrical muscles. The flexor fibularis 

 (flex. long, hallucis) sends tendons to I., in., iv., and a 

 strengthening slip to the tendon of n. The flexor tibialis 

 (flex. long, digitorum) supplies n. & V. The calcaneal 



