Ochotona curzoniae (Hodgson, 1858). J. Asiat. Soc. Bengal, 26:207.

TYPE LOCALITY: China, Tibet, Chumbi Valley.

DISTRIBUTION: Tibetan Plateau; adjacent Kansu, Tsinghai, Szechwan (China), Sikkim and E. Nepal. Perhaps Iran.

COMMENT: Includes melanostoma and may include seiana from Iran; see Corbet, 1978:69. Treated as a subspecies of daurica by Mitchell, 1978, Saugetierk. Mitt., 26:211, but it is now considered a distinct species (ATS, MLW, RMM).