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 length, 358; tail vertebre, 164; hind foot, 39. 
283. latifrons (Neotoma), Merr., Proc. Biol. Soc. Wash., Ix, 1894, 
Px. Dem. 
QUERENDARO Woop 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 vertebrz, 149; hind foot, 42. 
284. mexicana (Neotoma), Baird, Proc. Acad. Nat. Scien. Phil., 1855, 
p: 333. Elliot; Syn. N. Am. Mamm., 1901p. 155: 
Mexican Woop 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 vertebre, 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 Woop Rat. 
Type locality. Sierre Guadalupe, State of Coahuila, Mexico. 
