_>44 ORYZOMYS. 



TEAPA RICE RAT. 



Type locality. Teapa, State of Tabasco, Mexico. 



Geogr. Distr. State of Tabasco westward probably to State of Puebla. 



Genl. Char. Similar to 0. rostratus, but smaller and more red; 

 and is distinguishable from 0. melanotis by its darker color and 

 larger hind foot. 



Color. Above deep fulvous lined with black, darkest on median 

 line; sides yellowish brown; under parts grayish white, with a buff 

 tinge; tail black above, whitish beneath; thighs plumbeous; hands 

 and feet flesh color; ears dark brown. 



Measurements. Total length, 272 ; tail vertebrae, 140; hind foot, 31. 



230. victus (Oryzomys), Thomas, Ann. Mag. Nat. Hist., yth Ser., 



i, 1898, p. 177. 

 ST. VINCENT RICE RAT. 



Type locality. Island of St. Vincent, Lesser Antilles. 



Genl. Char. Molars large and stout; palate ending close to pos- 

 terior edge of third upper molar; braincase lengthened; parietal 

 ridges developed. 



Color. Above dark rufous; beneath buffy white; no orbital ring; 

 tail brown above, paler below, nearly naked; hands and feet silvery 

 white; ears brown. 



Measurements. Total length, 217; tail, 121; hind foot, 26.7; ear, 

 14. Skull: basilar length, 21.4; basal length, 23.8; greatest breadth, 

 15.1; length of nasals, 11.2; interorbital constriction, 4.5; palatal 

 length from henselion, 12.3; length of upper molar series, 4.1. 



231. devius (Oryzomys), Bangs, Bull. Mus. Comp. Zool., xxxix, 1902, 



P-34- 

 LONELY RICE RAT. 



Type locality. Boquete, Chiriqui, Panama. Altitude, 5,000 feet. 



Genl. Char. Like O. childi, ex Colombia, but under parts white 

 and fulvous. 



Color. Upper parts russet brown; dorsal region darker; orbital 

 region black; under side of head and neck grayish white; pectoral 

 and ventral patch white; tail above dusky, beneath grayish; hands 

 and feet yellowish white; ears large, black. 



Measurements. Total length, 335-360; tail vertebras, 165-195; 

 hind foot, 33-36; ear, 22-23. Skull: basal length, 31.6; occipito- 

 nasal length, 36; zygomatic width, 18; mastoid width, 13.8; inter- 

 orbital width, 5.6; length of nasals, 14.2; width of nasals, 3.8; length 

 of palatal slits, 5.6; width of palatal slits, 2.6; length of palate to 

 palatal notch, 15.6; upper molar series, 5.4; length of single half 

 mandible, 20. (Bangs, 1. c.) 



