ORYZOMYS. 23 



tail black above, pale brown beneath; hands and feet flesh color, 

 covered sparsely with white hairs; ears black. 



Measurements. Total length, 223; tail vertebrae, 117; hind 

 foot, 28. 



c. satuwitior (Oryzomys}, Merr., Proc. Wash. Acad. Scien., in, 



1901, p. 290. 

 TUMBALA RICE RAT. 



Type locality. Tumbala, State of Chiapas, Mexico. 



Genl. Char. Similar to O. chapmani, but decidedly darker, par- 

 ticularly on top of head and middle of back, which are blackish, 

 slightly "peppered" with fine points of fulvous; under parts soiled 

 buffy, in some specimens salmon; cheeks fulvous; ears, hind feet, 

 and tail blackish. 



Measurements. Total length, 218; tail vertebrae, 120; hind 

 foot, 25.5. 



218. bulleri (Oryzomys) , Allen, Bull. Amer. Mus. Nat. Hist., 1897, 



P- 53- 

 BULLER'S RICE RAT. 



Type locality. Valle de Banderas, Territorio de Tepic, State of 

 Jalisco, Mexico. 



Geogr. Distr. States of Jalisco and Colima, Mexico; limits un- 

 known. 



Genl. Char. Similar to 0. couesi, but darker. Rostrum slender. 



Color. Upper parts chestnut brown mixed with black ; side ochra- 

 ceous; under parts buffy white; ears brown; tail above brownish, 

 yellowish below; hands and feet whitish. 



Measurements. Total length, 242; tail vertebrae, 127; hind foot, 

 27; ear, n. Skull: total length, 27.8; basal length, 23; zygomatic 

 breadth, 15; interorbital constriction, 4.5; length of nasals, 10.2; 

 palatal length, n; width of braincase, 12.5; length of upper tooth 

 row, 4.6. 



219. rufus (Oryzomys), Merr., Proc. Wash. Acad. Scien., in, 1901, 



p. 287. 

 RUFOUS RICE RAT. 



Type locality. Santiago, Territorio de Tepic, Mexico. 

 . Genl. Char. Similar to O. bulleri, but smaller; pelage more red. 

 Color. Above deep fulvous, extending to head, mixed with scat- 

 tering black hairs; under parts soiled white; tail dusky above, paler 

 below. 



Measurements. Total length, 250; tail vertebrae, 136; hind 

 foot, 28. 



