SPECIES OF MAMMALIA. 



> D. Brachyura, Gmelin, 108, not. Pallas. D. Sebae, Gray, 

 MSS. 



Short-Tailed Opossum, Pennant, vi. 26. Mus Sylvestris 

 Americana, Seba, Mus. i. 50. 



Icon. Seba, Mus. i.t.3l.f.6. 



Inhabits South America. 



Obs. M. Temminck preserves the specific name Brachyura 

 for the species, and Tricolor for the last. 



490. 16. D. Pusilla (^the Dwarf Opossum.) Mouse-co- 

 lour ; tail longer than the body, naked, of a white colour. 



Didelphis Pusilla, Desm. Nov. Diet. d'Hist. Nat. 430. 



The sixth, or Dwarf Micoure of d'Azara, Quad, of Pa- 

 raguay. 



Icon. 



Inhabits Paraguay. 



Obs. D'Azara inspected only a male, so that the existence 

 or non-existence of the marsupial pouch in this species is 

 not ascertained. 



Cheironectes. Incisors l°, canines W, cheek-teeth -pointed 

 and trenchant ; muzzle pointed ; ears naked ; round feet, with 

 five toes ; the posterior plantigrade and palmated ; thumb 

 without a nail; nails sharp and bent ; tail long, cylindrical, 

 naked, scaly , and prehensile ; abdominal pouch in the female. 



Obs. In the Be'gne Animal this is printed as a subgenus. 

 It is perhaps immaterial whether it be treated as a sub- 

 genus of Didelphis or a genus of Marsupiata. 



491. 17. D. Palmata (the Yapock, or Palmated Opos- 

 sum.) Brown above, with three transverse gray patches 

 or bands, white underneath. 



Didelphis Palmata, Geoff. Didelphis Yapock, F. Cuv. 

 Chironectes Memina, Illiger. Lutra Memina, Ziinmer- 

 man, Bodd. Chironectes Yapock, Des7n. Mam. 

 I'ji 



