112 



cava superior an inch from its termination. This arrangement of 

 the vence cava appears to be normai in the Marsupials, as Mr. Owen 

 has previously observed*. 



" Six coronary veins entered the right auricle round its junctional 

 margin with the ventricle. 



" The auriculo-ventricular opening on the right was of moderato 

 size, with a slmple valve, the edges of ■which were bound down by 

 the tendons of two distinct carneee columna ; a third fasciculus of 

 fleshy fibres, but very indistinct, \vere to the right of these, but they 

 could hardly be said to constitute a third carnea columna. The 

 right ventricle does not approach the apex of the heart by f of an 

 inch. No trace oi foramen ovale. Pulmonary artery very wide, 

 dividing after a course of ^ an inch in tvvo branches, a right and 

 left. Right ventricle very thin ; the left, very thick and firm. 



" Of the kidneys, the right was seated higher, nearly by its whole 

 length, than the left ; the lower end of the former and the upper end 

 of the latter being parallel. In shape, these organs were oval, and 

 but slightly compressed. Their pelvis was small, the papilla single 

 and obtuse; the cortical and cineritious layers very distinct. Length, 

 1|^ of an inch ; breadth, į of an inch. 



" The penis, of small size and conical figure, vv^as placed imme- 

 diately anterior to the anus ; it was slightly bifurcate, or rather had 

 two projecting papillcE, one on each side of the urethral orifice. 

 Length of spongy portion, I of an inch. Bladder small, oval, and 

 much contracted. Tęstis, of the size of a horsebean. Totai length 

 oi vasa deferentia, 2^ inches; their entrance was below and external 

 to the ureters, ■which opened as usual. Prostate small. Vesicula; 

 seminales small ; they entered ^ of an inch below the bladder, \vith 

 Cowper's glands, vi^hich were as large as a tarė. 



" The thyroid glands were oval, compressed, and small; their co- 

 lour pale; they began at the 4th ring of the trachea from the thy- 

 roid cartilage, and extended to the 9th or lOth. 



" There was a round subzygomatic gland the size of a pca on the 

 masseter, and two others of the šame character vi'erė placed on the 

 front of the neck, on the platysma imjoides. 



" The submaxillary glands were thin and long, measuring 1 inch 

 in length. Their situation was as usual. 



" The ])arotid glands, very extensive but superficial, occupied the 

 usual situation ; the duct passed over the masseter, and entered op- 

 posite the 3rd molar, anterior to the edge of the buccinator. 



" The sterno-cleido-mastoideus was attached not only to the mas- 

 toid process, but also to the \vhole extent of the occipital ridge ; it 

 consisted of t\vo portions arising as usual, from clavicle and ster- 

 num. 



" The tongue was thick at its base, -n-hich rose abruptly from a 

 deep furrow surrounding its root ; the distance from its root to the 

 epiglottis ^ of an inch. Its form was narrow, equal, and rounded at 

 the tip ; its surface was velvety, and one large centrai papilla was 



* Proceedings of Zool. Soc. April 10, 1832, p. 72. 



