282 NEOTOMA. 



Geogr. Distr. States of Zacatecas, San Luis Potosi, and Vera Cruz, 

 Mexico. 



Genl. Char. Similar to N. micropus in size; postpalatal notch 

 narrow; jugals short; molars white; upper first molar with two 

 internal salient angles. 



Color. Above ochraceous buff, lined with black; face grayish; 

 under parts white, as are also the hands and feet; tail above blackish, 

 beneath white. 



Measurements. Total Iengthv358 ; tail vertebrae, 164 ; hind foot, 39. 



283. latifrons (Neotoma), Merr., Proc. Biol. Soc. Wash., ix, 1894, 



p. 121. 



QUERENDARO WOOD RAT. 



Type locality. Querendaro, State of Michoacan, Mexico. 



Geogr. Distr. State of Michoacan, Mexico. 



Genl. Char. Similar to N. leucodon, smaller; longer hind feet; 

 shorter tail. 



Color. Above like N. leucodon; cheeks and sides tinged with 

 fulvous; under parts, hands, and feet white; tail above dusky, beneath 

 whitish. 



Measurements. Total length, 350; tail vertebrae, 149 ; hind foot, 42. 



284. mexicana (Xeotoma), Baird, Proc. Acad. Nat. Scien. Phil., 1855, 



p. 333. Elliot, Syn. N. Am. Mamm., 1901, p. 158. 

 MEXICAN WOOD RAT. 



Type locality. Mountains near Chihuahua, State of Chihuahua, 

 Mexico. 



Geogr. Distr. State of Chihuahua, Mexico, north into New 

 Mexico and Texas. 



Genl. Char. Ears large; feet small; soles naked. Nasal bones 

 end on the same line posteriorly, and do not extend backward to 

 the anterior extremity of orbits; highest point of condyle higher 

 than coronoid process. 



Color. Above pale yellowish brown, lined with dark brown; sides 

 yellowish brown; outside of legs, feet, and under parts white; tail 

 dusky above, whitish beneath. 



Measurements. Total length, 340; tail vertebrae, 151; hind foot, 

 37; ear, 32. Skull: occipito-nasal length, 44.5; Hensel, 35; zygomatic 

 width, 23; interorbital constriction, 6; length of nasals, 17; palatal 

 length, 19; length of upper tooth row, 7; length of mandible, 22. 



285. navus (Neotoma), Merr., Proc. Biol. Soc. Wash., xvi, 1903, p. 47. 

 ACTIVE WOOD RAT. 



Type locality. Sierre Guadalupe, State of Coahuila, Mexico. 



