490 



BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



NEOTOMA PINETORUM Merriam. 



PINE WOOD-RAT. . , 



Neotoma pinetorum Merriam, Proc. Biol. Soc. Wash., VIII, p. Ill, July 31, 1S93 

 (original description). — Miller and Rehn, Proc. Bost. Soc. Xat. Hist., No. 1, 

 Dec. 27, 1901, p. 108 (Syst. Results Study X. Am. Main, to close of 1900). 



[Neotoma] pinetorum, Elliot, Field Col. Mus., Zool. Ser., II, 1901, p. 168 (Synop. Mam. 

 X. Am.). 



Fig. 121.— Neotoma pinetorum. Skull, o, dorsal view; b. ventral view; c, lateral view. 



Type-locality. — San Francisco Mountain, Arizona. (Type, skin and 

 skull, Cat. No. IfiH, U. S. National Museum, Biological Survey col- 

 lection.) 



Geographical range. — Forested areas of the Colorado Plateau in 

 northeastern Arizona. Transition and Lower Boreal zones. 



Description. — Similar to Neotoma mexicana, 

 but much larger, and of a darker, more ful- 

 vous color on the upper surface. Length, 

 360 mm.; tail vertebra-, 160; hind foot, 37; 

 car from crown, 25. Skull, 47 by 24 (adult 

 male from Baker's Butte, Yavapai County, 

 Arizona). Above fulvous, thickly lined with 

 black-tipped hairs; under surface and feet, 

 white; tail black above, white below; sides of 

 face, grayish. 



Cranial and dental characters. — The skull and 

 teeth (figs. 121 and 122). though much heavier 

 than in Neot&ma mexicana, have much the 

 -nine character. The interptervgoid space is remarkably long and 

 narrow. 



Remarks. — This species does not reach the Mexican Line, but was 

 included in my earlier collections, made in Arizona from 1884 to 1S88. 



Habits and local distribution. — This rat builds large nests in thickets 

 and stumps of trees. It enters houses freely. At Bakers Butte 

 (altitude, 8,000 feet) I trapped a specimen in a cabin: and the species 



Fig. 122.— Neotoma pine- 

 torum. Crowns of mo- 

 lar teeth, a. lower se- 

 ries; b. UPPER SERIES. 



