REPORT ON THE MARSUPIALIA. I s'J 



Fig. 9. Under surface of the penis of the discus to show the levator penis. 

 a. Membranous urethra. 

 /;. Cowper's gland. 



c. Crus penis clothed by the erector penis. 



d. Bulb of penis. 



e. Levator penis. 



Fig. 1 0. Bladder and prostatic urethra of the male Cuscus laid open. 



a. Bladder. 



b. Bristles in the ureters. 



c. A bristle in the right vas differens (the opening of the left vas could not be 



found). 



d. Prostate. 



e. Crus penis. 



Fig. 11. Anal glands of the Cuscus. 



a. Bectum. 



b. b 2 , and V. Anal glands. 



c. Penis. 



PLATE XI.— Feet of the FOX-BAT, WALRUS, ELEPHANT, DASYURE, and 

 HARE; also certain Figures illustrative of the Structure of the Suspensory 

 Ligament in the Horse, Ox, and Sheep. 



Fig. 1 . Plantar aspect of the left foot of the fox-bat ; adductors thrown down. 

 Fig. 2. Plantar aspect of the right foot of the same animal. 



p\ Adductor hallucis. 



p 5 . Adductor minimi digiti. 



f l . toy* 5 . Flexores breves. 



d 6 '. Abductor ossis metatarsi minimi digiti. 



e.p.n. External plantar nerve. 



d.d. Deep division. 



s.d. Superficial division. 



i.p.n. Internal plantar nerve. 

 Fig 3. Plantar aspect of the left foot of a young walrus. 



p x .o. Adductor obliquus hallucis. 



p x .t. Adductor transversus hallucis. 



p h . Fibrous cord in the place of adductor minimi digiti. 



f 1 . toy 5 . Flexores breves. 



f\t. Tibial head of flexor brevis hallucis (?). 



