This paper deals with a new subspeclcs of three--toed pygmy jerboa (Salpingotus kozlovi) which collecte from Xinjiang Uighur Autonomous Region. It may be described as follows:Salpingotus kozlovi xiangi

subsp. nov.Holotype: NO.of specimen 1376

No. of collecting 87026

♂

adult .collected by Jiang wit on October 20

1987

from Yutian County (alt.1400m)

Xinjiang

China.Paratype: 13 adult♂♂1 adult I♀ collected from same place as holotype during October 20-21

1987.The type specimens are deposited at the Northwest Minority Nationalities College and Institute for Endemie Disease Control and Research

Xinjiang.The new subspecies is distinguished chieny by its skull measurements being smaller. The measurements of greatest length of skull

mastoid width and bullae length are 23. 39± 0. 23. 15. 33± 0. 15 and 9. 96 ±o. 10.Comparison of skull's C. D. between the S. k. xiangi and S. k. kozlovi is shown in the table 3. Three of them are greater than 1. 28.