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Pe, 
NEOTOMA, 281 
Color. Above rusty red, somewhat golden on the sides, and 
mixed with black on the back; outside of arms and legs to wrists 
and ankles, dusky; inner side of arms white, of legs grayish; sides 
of lips and under parts white; tail above dusky, beneath paler. 
Measurements. Total length, 343-353; tail vertebre, 165-177; 
hind foot, 33-35. Skull: occipito-nasal length, 46; zygomatic width, 
28; length of nasals, 20; length of upper molar series, 10. 
Fic. XLII]. NEOTOMA MICROPUS. SMALL-FOOTED Woop Rat. 
281. micropus (Neotoma), Baird, Proc. Acad. Nat. Scien. Phil., 1855, 
D333 Elhot, syn. N.Am. Mamm., rooz,-p. 155. 
canescens Allen, Bull. Am. Mus. Nat. Hist., 1891, p. 285. 
SMALL-FOOTED Woop Rat. 
Type locality. Charco Escondido, State of Tamaulipas, Mexico. 
Geogr. Distr. State of Tamaulipas, Mexico, northward to Okla- 
homa and New Mexico. 
Genl. Char. ‘Tail short, hardly two-thirds the length of the body; 
ears large; feet small, soles naked. 
Color. Above grayish lead color, lined with dark brown; sides 
paler; shoulders and flanks occasionally tinged with yellowish brown; 
under parts and feet white; tail above dusky, beneath grayish white. 
Measurements. Total length, 359; tail vertebrae, 185; hind foot, 
36; ear, 30.. Skull: occipito-nasal length, 49; Hensel, 36; zygomatic 
width, 24; interorbital constriction, 6; length of nasals, 6.5; palatal 
length, 19; length of upper tooth row, ro; length of mandible, condyle 
to alveolus of incisor, 25. 
282. leucodon (Neotoma), Merr., Proc. Biol. Soc. Wash., 1x, 1894, p. 120. 
WHITE-TOOTHED Woop Rat. 
Type locality. San Luis Potosi, State of San Luis Potosi, Mexico. 
