REPORT ON THE MARSUPIALIA. 177 



Fig. 1. r.f. Rectus femoris. 



g'.s.n. Great sciatic nerve. 



v.e. Vastus externus. 



s. Sartorius. 



m.g. Meso-gluteus. 



m.g* Insertion of meso-gluteus. 



i. Iliacus. 



en. (j. Endo-gluteus. 



s.g.n. Superior gluteal nerve. 



c.i. Iliac crest. 

 Fig. 2. Inner aspect of the left leg of the Cuscus. 



i.l.l. Internal lateral ligament of the knee-joint. 



s.m. Semi-membranosus. 



g. Gracilis. 



s.t. Semi-tendinosus. 



c.t. Caudal part of the biceps. 



s. Slip from this to the semi-tendinosus. 



t. Tibia, 

 Fig. 3. Ring digit of the foot of the Cuscus. 



/. Lumbrical muscle. 

 f.p. Flexor profundus tendon. 

 f.s. Flexor sublimis tendon. 



PLATE IV.— Hind Limb and Marsupium of TIIYL ACINUS. 



Fig. 1. Internal aspect of the thigh. 



i.c.n. Internal cutaneous nerve. 

 a.m. Adductor magnus. 

 a. b. Adductor brevis. 

 v.i. Vastus internus. 

 r.f. Rectus femoris. 

 f.a. Femoral artery. 

 s. Sartorius. 



a.c.n. Anterior crural nerve. 

 t.a. Transversalis abdominis. 

 o.e. Oblkpius externus. 

 o.i. Obliquus internus. 

 c. Cremaster. 

 g.c.n. Genito-crural nerve. 



(ZOOL. CHALL. EXP. PART XVI. 1882.) Q 23 



