102 LIOMYS. 



Measurements. Total length, 220; tail, 113; hind foot, 25. 

 Skull: Total length, 30.9; Hensel, 22.3; zygomatic width, 14.1; inter- 

 temporal width, 6.8; length of nasals, 10.9; length of upper molar 

 series, 4.2; length of mandible, 12.9; length of lower molar series, 4.9. 

 Ex type in American Museum of Natural History. 



Liomys irroratus pretiosus Goldman. 



Liomys irroratus pretiosus Goldm., N. Am. Fauna, No. 34, 1911, 

 p. 58. 



Type locality. Metlaltoyuca, Puebla, Mexico. 



Geogr. Distr. Humid basal mountain slopes in extreme eastern 

 part of the State of San Luis Potosi, northern portion of the states 

 of Queretaro, eastern Puebla, and northern part of the State of Vera 

 Cruz, Mexico. Humid Tropical Zone. 



Genl. Char. Similar to L. alleni but darker; lateral line distinct; 

 hind foot five-tuberculate ; skull small, rostrum expanded anteriorly; 

 f rentals narrow. 



Color. Head and upperparts to hips narrowing to root of tail 

 mixed black and ochraceous-buff; flanks, hips, and outer side of legs 

 pale mouse-gray; lateral line pale ochraceous-buff; hinderparts, 

 hands and feet whitish buff; tail above dusky, beneath whitish, tip 

 all dark. Ex type in United States National Museum. 



Measurements. Total length, 263; tail, 145; hind foot, 34. Skull: 

 Occipito-nasal length, 32; Hensel, 23.6; zygomatic width, 15.2; 

 intertemporal width, 7.5; length of nasals, 13.2; length of upper molar 

 series, 4.8; length of mandible, 14.5; length of lower molar series, 4.4. 

 Ex type in United States National Museum. 



The above description varies considerably from that given by Mr. 

 Goldman, but I failed to discern any mouse-gray on the top of head 

 and back to the hips. 



Liomys irroratus jaliscensis (Allen). 



Heteromys jaliscensis Allen, Bull. Am. Mus. Nat. Hist., XXII, 

 1906, p. 251. 



Type locality. Las Canoas, about 20 miles west of Zapotlan, Jalisco, 

 Mexico. Altitude 7000 feet. 



Geogr. Distr. Tableland* region of the State of Jalisco, and north- 

 western part of the State of Michoacan. Mainly lower Sonoran Zone. 



Color. Entire upperparts orange-buff lined with black; flanks 

 paler; outer side of limbs pale grayish brown; a buff lateral line from 

 shoulder to thigh; entire underparts, hands and feet pure white; tail 

 above blackish brown, beneath white. Ex type in American Museum 

 of Natural History. 



