58 Bulletin American Museum of Natural History. [Vol. XX, 



The Boqueron specimens agree well with the type of M. 

 fuscogriseus , which, however, proves to have been a young 

 adult that had not reached full size. The males have a patch 

 (probably glandular) of pale greenish yellow on each side of 

 the flanks just in front of the thighs; in the females the fur 

 around the edge of the pouch, and also lining it, is bright 

 rusty chestnut. 



4. Didelphis marsupialis etensis Allen. Six 

 specimens, 4 adult and 2 young, Boqueron, 

 August to December. Selected from a large 

 series. (For measurements see this Bulletin, 

 XVI, 1902, p. 277.) 



5. Didelphis marsupialis battyi Thomas. 

 One specimen, male, Coiba Island (a 

 topotype), May 2. (For remarks on 



the Coiba series of Didelphis see this 



Fig. 13. Odocoileus rothsch ildi. No. 18951, $ old ad., Coiba Island, Panama, gnat. size. 



Bulletin, XVI, 1902, pp. 264, 265, and for measurements of the 

 series see ibid., p. 278.) 



6. Choloepus hoffmanni Peters. Five adults and 3 young, 

 as follows, selected from a large series: Parida Island, i adult 

 male, Nov. 22; Boquete, i adult female, Sept. 14; Boqueron, 

 i adult male, 2 adult females, and 3 young, Oct. 1324, Nov. 

 22, and Dec. i. 



Mr. Batty 's large series of some 50 specimens shows a wide 

 range of individual variation in color, some being much lighter 



