OCHOTONA. ROMFROLAQUS. 339 



Geogr. Distr. Mountains south of Fort Yukon from the head of 

 Tanana River to the Chigmit Mountains, near the head of Bristol 

 Bay, Alaska. 



850. Ochotona cuppes Bangs. 



Ochotona cuppes Bangs, Proc. N. Eng. Zool. Club, i, 1899, p. 40. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 268. 

 Zool. Ser. 

 Dainty Pika. 



Type locality. Monishee Divide, Gold Range, British Columbia, 

 Canada. Altitude, 4,000 feet. 



Geogr. Distr. Gold Range, British Columbia, Canada. 



851. Ochotona saxatilis Bangs. 



Ochotona saxatilis Bangs, Proc. N. Eng. Zool. Club, i, 1899, p. 41. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 268. 

 Zool. Ser. 

 Rock Pika. 



Type locality. Snowy Range, Montgomer}', Park County, Col- 

 orado. 



Geogr. Distr. Snowy Range, Colorado. 



852. Ochotona minimus (Lord). 



Lagomys minimus Lord, Proc. Zool. Soc, 1863, p. 98. 



Ochotona mittimus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 11, 1901, p. 269. Zool. Ser. 

 Least Pika. 



Type locality. Ptarmigan Hill, Cascade Range, British Columbia, 

 Canada. Altitude, 7,000 feet. 



Geogr. Distr. Cascade Range, British Columbia, Canada. Limits 

 unknown. 



Family XH. I^eporidfe. Hares. Rabbits. 



Genus no. RoiiierolagUH. 



Romerolagus Merr., Proc. Biol. Soc. Wash., x, 1896, p. 173. Type 

 Romerolagus nelsoni Merriam. 



853. Romerolagus nelsoni Merriam. 



Romerolagus nelsoni Merr., Proc. Biol. Soc. Wash., x, 1896, p. 

 173. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 412, fig. 79. Zool. Ser. 



