RECENT LITERATURE 
247 
Thomas, Oldfield. Choiropotamus versus Koiropotamus. Proc. Biol. Soc. 
Washington, vol. 34, p. 135. June 30, 1921. (Maintains that Choiropotamus 
is the tenable name of the river hogs.) 
* The geographical races of Herpestes brachyurus, Gray. Ann. and Mag. 
Nat. Hist., ser. 9, vol. 8, pp. 134-136. July, 1921. (New; Herpestes hrachy- 
urus sumatrius, Sumatra; H. b. rajah, lowlands of Sarawak, Borneo*, H. 5. 
dyacorum, mountains of Sarawak, Borneo.) 
A new genus of opossum from southern Patagonia. Ann. and Mag. 
Nat. Hist., ser. 9, vol. 8, pp. 136-139. July, 1921. (New genus and species: 
Notodelphys halli, from Cape Tres Puntas, Patagonia.) 
— A new bat of the genus Promops from Peru. Ann. and Mag. Nat. 
Hist., ser. 9, vol. 8, p. 139. July, 1921. (Describes Promops davisoni from 
Department of Lima, Peru.) 
On spiny rats of the Proechimys group from south-eastern Brazil. 
Ann. and Mag. Nat. Hist., ser. 9, vol. 8, pp. 140-143. July, 1921. (New 
subgenus: Trinomys] new subspecies: Proechimys albispinis sertonius, Bahia, 
Brazil.) 
— The “huron’^ of the Argentine. Ann. and Mag. Nat. Hist., ser. 9, 
vol. 8, pp. 212-213. August, 1921. (New: Grisonella huronax from Mar del 
Plata, Argentina.) 
On mammals from the province of San Juan, western Argentina. Ann. 
and Mag. Nat. Hist., ser. 9, vol. 8, pp. 214r-221. August, 1921. (Describes 
new forms of Grisonella, Abrocoma, Octomys, Ctenomys, and Lagidium.) 
Two new Argentine forms of skunk. Ann. and Mag. Nat. Hist., 
ser. 9, vol. 8, pp. 221-222. August, 1921. (New: Conepatus suffocans pam~ 
panus and C. s. mendosus.) 
