ENDOSKELETON AND VOLUNTARY MUSCLE 



79 



Fig. 48. — Muscles of Rana catesbeiana, dorsal side, b, biceps; ci, coccygeo- 

 iliacus; cs, coccygeosacralis; d, deltoideus; dm, depressor maxillae; ed, extensor 

 digitorum; g, gastrocnemius; gl, gluteus; i, infraspinatus; ip, iliopsoas; Id, latissi- 

 mus dorsi; lgd, longissimus dorsi; oe, obliquus externus; p, pyriformis; per, 

 peroneus; ra, rectus femoris anticus; ri, rectus internus minor; sm, semimem- 

 branosus; t, temporalis; ta, tibialis anticus; trb, triceps brachii; trf, triceps 

 femoris; ve, vastus externus. 



