On some small MiuuniJ.^ nom f 't/'imarca. 1 1.") 



X. — 0/1 some smdll Mdutnuils from ( ',il,t„i,ir,-,,. 



By Olufiklu Thomas. 



(Published by permission of the Trustees of the British Museum.) 



TnK I^riti.sli Museum Iins received a small collection of 

 admirably prepared .'^kiiis of mammal.*', mostly rodent:?, 

 obtained at Oliumbicha, Catamarca, by Sr. E. Budin, and a 

 li.st of flie.se seeni.s desirable. 



Cliiiml)iclia is about GO kilometres due south-west of the 

 town of Uatamarca, and lies at an altitude of about GOO niotre.^. 



The collection con.si>tsof eighty-nine specimens, belonging 

 to nine species, of which one has already been, and two are 

 now, described as new. 



1. Elitjmodontia niarica, Thos. 

 Ann. & Mag. Nut. Hist. (9) ii. p. 483 (1918). 



(S . 21)9, 311 ; ? . 290, 312. Eastern, desert, side of 

 Clnimbicha. 



Notes about this beautiful little sj)ecies have already been 

 published (/. c). Its type is no. 311. B.M. no. 18. 11. 11. 1. 



It is readily di.stiiiguishable by its small size and snowy- 

 white belly. 



The four specimens were all caught in one place in the 

 desert area to the east of Chumbicha, and none were seen 

 elsewhere. 



2. Ilesperomys mxiriUus cordovetisisj Thos. 



cJ. 231, 251, 2112, 298, 300, 302, 30G, 307, 313 ; ? . 297, 



301, 303, 301, 305, 308, 309, 310. 



"Caught among the wild c;ictu.<-[)hiiit^. — E. B." 



Tiie type-lucality of cordoveusis is Yacanto, near Villa 



Dolore.«, Cordova, some 250 kilometres south-east of Chum- 



Licha. 



3. Graomys sp. 



<f . 226, 232, 233, 236, 237, 245, 254, 2(;o,262, 263, 274, 

 275, 278, 281, 285, 288, 291, 293, 294, 314 ; ? . 223, 244, 

 250, 2G1, 264, 279, 282, 284, 295, 315. 



This tine series will be of much service when time and 

 material are available for a thorough study of this difficult 

 genui*. Among these specimens there are examples with the 

 btdl\ -bails white to the roots, and others with .slaty-based 



8* 



