178 THE VOYAGE OF H.M.S. CHALLENGER. 



Fig. 1. m.b. Cartilaginous nodule representing the marsupial bone. 

 ps. Psoas. 

 i. Iliacus. 



o.n. Obturator nerve. 

 </. Gracilis. 

 ((.I. Pecthieus. 

 s.m. Semi-membranosus. 

 b' 2 . Superficial caudal part of the biceps. 

 s.t. Semi-tendinosus. 

 b\ Bicipiti accessorius (Haughton). 



b. Biceps. 



b 3 . Tibial portion of the superficial caudal part of the biceps. 

 Fig. 2. Dissection to show the gluteus cpiartus muscle in the Thylacine. 



g.q. Gluteus quart us. 



i. Iliacus. 



v.i. Vastus interims. 



v.e. Vastus externus. 



r.f 1 . Superficial head of rectus femoris. 



s. Sartorius. 



/. Dorsum ilii. 



r.f 2 . Beflected head of rectus femoris. 

 Fig. 3. Marsupial pouch of the female Thylacine. 

 Fig. 4. Dissection of the marsupial pouch of Thylacinns — teats left in position. 



g.c.n. Genito-crural nerve. 



c. Cremaster muscle. 

 s. Sphincter marsupii. 

 L(j. Lymphatic glands. 



Fig. 5. Gluteal region and outer aspect of the thigh of Thylacinus. 

 h.n. Nerve to the hamstrings. 

 6' 2 . Superficial caudal part of the biceps. 

 s.s.n. Small sciatic nerve. 

 ec.g 2 . Two portions of agitator caudae. 

 ec.g 2 *. Insertion of agitator caudae. 

 6 1 . Bicipiti accessorius (Haughton). 

 p.n. Pudic nerve. 

 (j. a. Superior gluteal nerve. 

 ec.g 1 . Ecto-gluteus. 

 ec.g 1 *. Insertion of ecto-gluteus. 

 s.n. Branch from superior division of a sacral nerve. 



