280 NEOTOMA. 



Color. Above pale Vandyke brown, hairs tipped with black; 

 darkest on dorsal line; under parts white with a yellow tinge; breast 

 crossed by a pale brown collar; chin white; hands and feet white; 

 tail covered with short hairs, above clove brown, sides and beneath 

 whitish; ears seal brown. 



Measurements. Total length, 498; tail vertebrae, 160; hind foot, 

 35; ear, 21. Skull: total length, 45; zygomatic width, 23; length of 

 upper molar series, 9; length of mandible, 25; length of lower molar 

 series, 9. 



278. cumulator (Neotoma), Mearns, Proc. U. S. Nat. Mus., 1898, p. 



503. Elliot, Syn. N. Am. Mamm., 1901, p. 154. 

 COLLECTOR WOOD RAT. 



Type locality. Old Fort Yuma, San Diego County, California. 



Geogr. Distr. Lower California and State of Sonora, Mexico, 

 southern California. 



Genl. Char. Size large; color similar to that of N. intermedia, 

 but paler ; nasals broad anteriorly. 



Color. Above grayish fulvous, lined with black; gray on limbs 

 and ochraceous buff on sides; feet and under parts white; tail black 

 above, white beneath; ears mixed gray and black. 



Measurements. Total length, 406; tail vertebras, 188; hind foot, 

 37; ear, 30.5. Skull: greatest length, 47.5; greatest width, 23. 



279. bryanti (Neotoma), Merr., Amer. Nat., xxi, 1887, p. 191. 

 CERROS ISLAND WOOD RAT. 



Type locality. Cerros or Cedros Island, Lower California, Mexico. 



Geogr. Distr. Known only from type locality. 



Genl. Char. Size large; tail naked; specimen imperfect. 



Color. General hue dark slate, on both upper and under parts; 

 fulvous patch behind ear; hands and feet white. 



Measurements. Total length, 372; tail vertebras, 165; hind foot, 

 38; ear, 26. Skull: total length, 48; basal length, 44; zygomatic 

 width, 25; mastoid width, 20; interorbital constriction, 5; length of 

 nasals, 17.5; breadth of nasals anteriorly, 5; palatal length, 21; 

 length of upper molar series, 8. 



280. ferruginea (Neotoma), Tomes, Proc. Zool. Soc., 1861, p. 282. 

 RUSTY WOOD RAT. 



Type locality. Duenas, Guatemala. 



Geogr. Distr. Tehauntepec, State of Oaxaca, Mexico, south into 

 Guatemala. 



Genl. Char. Tail about as long as head and body; similar to 

 N. fuscipes, but smaller and redder. 



