138 MACB0P1DJE. HEMIURUS. 



Sarigue, Buff., Hist. Nat. x. p. 334. pi. 51 (skull and cervical ver- 

 tebras). 



Cervical vertebrae 7 



Dorsal 13 



Lumbar 6 



Sacral 2 



Caudal 26 



a. Skull. 



,' q, ,, I From tbe Zoological Society's Collection. 



/. Skeleton. From Mr. Stevens's sale. 



The Crab-eating Opossum. Didelphis cancrivora. 



Temm., Mon. Mamm. i. p. 34. pi. 5 (skeleton). — Waterhouse, Nat. 

 Hist. Mamm. i. p. 472. pi. 22. fig. 1 (skull).— Burm., Faun. Bras, 

 tab. 5. tig. 2 (skull). 



*a. Skull. Brazils. 



*b. Skull. 



c. Skull. Purchased at Mr. Stevens's sale. 



Azaea's Opossum. Didelphis azarae. 



Gervais in Castelnau, Amerique du Sud, p. 100. pi. 20. fig. 8 (denti- 

 tion), 1855. 



*a. Skull : young. Bolivia. From Mr. Bridges' Collection. 



b. Skull : adult. Bolivia. From Mr. Bridges' Collection. 



The Californian Opossum. Didelphis californica. 

 a. Skull. From the Zoological Society's Collection. 



Didelphis derbiana. 



Gervais in Castelnau, Amerique du Sud, p. 100. pi. 20. fig. 4 (skull), 

 1855. 



Didelphis albiventris. 



Burm., Faun. Bras. taf. 5. figs. 4, 5, taf. 6. fig. 4 (skull). 



Didelphis aurita. 

 Burm., Faun. Bras. taf. 5. tig. 3 (skull). 



HEMIURUS. 

 Hemiurus hunteri. 



Gervais in Castelnau, Amerique du Sud, p. 101. pi. 20. fig. 1 b (skull), 

 1855. 



