DISSECTION OF THE PROG. 



PN- 



FT 



FIG. 29. Dorsal dissection of a frog. 

 E Ear ; in front is the eye. C Callosity 

 on thumb of male. Illiac bone. U Urostyle. 

 LH Position of lymph heart. Nerves : MCN 

 Mnsculo-cutaneous traversing the dorsal lymph 

 eac. SN Sciatic. TN Tibialis. PN Peroneal. 

 SP Sciatic plexus. Muscles: COC- 1 L Coc- 

 cigeo-iliacus. B Biceps. SM Semi-membranosus. 

 RIM Rectus internus minor, which together 

 with rectus internus major (see Fig. 4) is 

 known as the Gracilis. G Gastrocnemius, 



note its tendinous slip over PN. T Tibialis. TAc Tendo achillis. SC Sessamoid 



cartilage. FT Flexor tendons in the foot. 



