Abstract: This paper deals with the taxonomy and ecology of the Dwarf Blue Sheep，Pseudois schaeferi，A series of topotyes were collected by the authors at Batang，Sichuan in 1988．The study confirms Groves’opinion that it is a solitary species instead of asubspecies of P.nayaur．Some supplementary informations were added as the measurements (figs.1,2)and the summer pelage which is black brown-grey and a little yellowish above with a black stripe down the wrist of the forelegs．Besides some ecological materials were gathered．The habitat is the dry valleys overhanging rocks herbosa at an altitude about 2600- 3200 metres．In studing its food，we find the Dwarf blue sheep eat more than twenty species of plants．The density is 0.5- l／km² of indivlduals．The total number of the existing Dwarf blue sheep is adout 70- l50 at Batang．
Finally, we suggest that the Dwarf blue sheep should be decided to he the first level protective animals in our country and a natural reserve of the sheep should be set up in this area．

Key words: Dwarf blue sheep, Biology, Distribution

摘要： 本文根据1988年在四川省巴塘县采得的矮岩羊地模标本，与Gloves对矮岩羊模式标本的描述和大岩羊进行了比较，井对其夏毛、栖息地和食性等进行了补充研究，最后提出了将矮岩羊订为我国第一类保护动物和建立该种动物的自然保护区的建议。

关键词: 矮岩羊, 生物学, 分布