402 Mr. O. Thomas on some Mexican Oiyzomys. 



^2. A. nigrivitta^ Hamps. Nilgiris. 

 3. A. divisa, Moore, Dharmsala. 



Section Joche.'eiia, Hiibn. 

 1. A. aini, Linn. Ausbach, Livonia, &c. 

 *2. A. connecta, Grote. New York. 



We also have a pretty species from Madagascar. It lias 

 probably been named by Herr Saalmiiller or M. Mabille ; 

 but at present I cannot spare the time to look it up. Grote's 

 A. funeralis is unknown to me, but (if confounded with 

 A. americana) can hardly belong to the section Jochecera. 



Section Mastiphanes, Grote. 

 *L A. denticulata^ Moore. Dharmsala and Sabathu. 

 ■^2. A. edolata, Grote. Arizona. 



Section Mekolonche, Grote. 

 ■^L A. spinea, Grote. California. 

 2. A. Lupi7ii, Behr. Mendocino. 



It is possible that one or two of the Japanese and Chinese 

 forms enumerated above may be synonymous with species 

 described from East Siberia ; but the illustrations to the 

 * Lepidopteren Ost-Sibiriens ' and ' Eeisen und Forschungen 

 im Amur-Lande ' are so poor that, without seeing examples 

 from the Amur, it would not be possible to be certain of the 

 identity of the species, in a genus containing so many closely 

 related forms. 



LXV. — Notes on some Meocican Oryzomys. 

 By Oldfield Thomas. 



Dr. a. C. Buller has lately sent to the British Museum a 

 specimen of an Oryzomys from Jalisco which appears to be 

 new, and in working this out I find that some confusion 

 exists as to Alston's Hesperomys Couesi, in clearing up which 

 a second species in the Museum collection proves to need 

 description. 



