322 MAMMALIA : GLIEES. — XL VIII. 



white ; dichromatic (a brown phase from New Brunswick has been 

 described as E. fuscodorsalis Allen) ; fur f uU and soft. L. 4^. 

 T. IJ, scarcely more than twice hind foot. Mass. to Penn. and N. 

 (To Dr. Anthony Gapper, who collected in Ontario about 1830.) 



Subspec. ochraceus Miller. Slightly larger, much duller and 

 paler, dorsal stripe duU rusty without black hairs. White Mts. to 

 N. S. 



Subspec. rhoadsi Stone. Tail distinctly bicolor, less than twice 

 length of hind foot ; dorsal stripe indistinct plain chestnut. N. J. 

 and Hudson highlands. (To Samuel N. Ehoads.) 



Subspec. loringi Bailey. Smallest of the genus; dorsal stripe 

 dark rich chestnut. Minn., Dak. (To J. Alden Loring.) 



1050. E. carolinensis Merriam. Larger than E. gapperi ; color 

 darker, rich chestnut above, everywhere with black hairs. L. 6. 

 T. If. Alleghanies, W. Va., and S. 



546. PHENACOMYS Merriam. (<^eva|, cheat ; jivs, mouse.) 



(Molars distinctly two rooted in adult. Ee-entrant angles on 

 inner side of lower molars very much deeper than those of outer 

 side, not approximately equal to outer angles as in Microtus and 

 Evotomys.) 



1051. P. latimanus Merriam. Dull rusty brown, whitish below, 

 tail bicolor. L. 4f . T. l^. Labrador, S. to Peninsula Harbor, W. 

 Ontario. (Lat., with broad hands.) 



547. RBITHRODONTOMYS Giglioli. (pEMpoy, channel ; dhovs, 

 tooth; fiCs, mouse.) 



1052. R. lecontei (Audubon & Bachman). Little Harvest 

 Mouse. Dark brown, washed with cinnamon, lateral band obso- 

 lete ; dingy gray or yellowish below. L. 4|. T. i\. E. \. Smallest 

 of our mice, the fur soft and silky. South Atlantic States, N. to 

 N. C. (Named for Major John Le Gonte.) 



Subsp. impiger Bangs in Va. and W. Va., smaller, with smaller 

 ears, the color richer brown. Rather common about White Sulphur 

 Springs. (Lat., active.) 



1053. R. dychei Allen. Western Harvest Mouse. Ful- 

 vous gray above lined with black; sides with faint fulvous band; 

 L. 5^. T. 2f. E. f. Kans., Neb., E. to St. Louis. (Named for 

 Prof. L. L. Dyche.) 



548. ORYZOMYS Baird. (^opv^a, rice ; /iOr, mouse.) 



1054. O. palustris (Harlan). Eice-fiei.d Mouse. Blackish 

 and ashy above, becoming paler below; fur harsh, but compact ; 

 soles perfectly naked ; a large, rat-like species. L. 8. T. 4. N. J. 

 to Kan. and S. (Lat., palus, marsh.) 



