Howell — Nine New North American Pikas. 109 



southwestern British Columbia south to Crater Lake, Oregon. It has been 

 identified by most recent writers' with Lagomys minimus Lord (= Ochotona 

 fenisex Osgood), but material now in hand indicates that the latter is a 

 paler animaL occupying the interior ranges to the eastward of the main 

 Cascade Eange. 



Ochotona fenisex fumosa, subsp. nov. 



Type. — No. 91,144, U. S. National Museum, Biological Survey collection; 

 cT adult, skin and skull; from Permilia Lake, west base Mt. Jefferson, 

 Oregon; collected October 4, 1897, by J. Alden Loring; original number 

 4799. 



Subspecific characters. — Similar to O. fenisex brunnescens, but coloration 

 darker, with much black on dorsal surface in fresh winter pelage. 



Color. — Type (in winter pelage): Upperparts a mixture of vinaceous- 

 cinnamon and black, the median dorsal area nearly soUd black, shading on 

 sides to nearly clear vinaceous-cinnamon; sides of nose dark smoke gray and 

 top of head shaded with the same; sides of neck, beneath ears, washed with 

 cinnamon-buff; ears chaetura black, edged with buffy white; feet cinnamon- 

 buff; soles chaetura drab; palms hair-brown; imderparts soiled whitish, 

 strongly washed along middle of belly with vinaceous-ciimamon, shading 

 on throat to pinkish cinnamon. Summer pelage (specimen from Three 

 Sisters, Oregon, July 15): Similar to the winter pelage, but upperparts 

 less blackish, less buffy, and more strongly shaded with grayish. 



Skull. — Similar to that of brunnescens, but averaging slightly narrower; 

 posterior border of palate with a very small spine in the middle of the post- 

 palatal notch. 



Measurements. — Type (c? adult): Total length, 202; hind foot, 33. 

 Skull: Occipito-nasal length, 44.5; zygomatic breadth, 21.3; breadth of 

 cranium, 18.2; interorbital breadth, 5.3; width of palatal bridge, 2.4; length 

 of nasals, 15.4. 



Remarks. — This is a very dark form, occupying the western slopes of the 

 Cascade Range in Oregon. It is known at present from the west slope of 

 Mt. Jefferson, Three Sisters, Mackenzie Bridge, and Clackamas River, 15 

 miles above Estacada. 



Ochotona schisticeps jewetti,'' subsp. nov. 



Type. — No. 208,352, U. S. National Museum, Biological Survey col- 

 lection; adult cf, skin and skull; from head of Pine Creek, near Cornucopia, 

 south slope Wallowa Mts., Baker County, Oregon; collected September 

 3, 1915, by Stanley G. Jewett; original number 2362. 



Suhspeeific characters. — Nearest to O. schisticeps schisticeps, but paler in 

 summer pelage, and slightly darker in winter pelage; decidedly darker than 

 0. schisticeps muiri, in both summer and winter; paler (less blacldsh) than 

 0. s. taylori in both pelages. ^^ 



iSee especially, Bangs, Proc. New England Zool. Club, I, p. 39, 1899. 

 2Named for Mr. Stanley G. Jewett in recognition of his excellent field work on Oregon 

 mammala. 



