The present paper deals with the late Middle Devonian bryozoa collected from Chinchuhoushan,a small hill situated about 9 km north of the Heitai Railway Sta-tion of Mishan county,Kirin province.

• 正>一.；引言本文所描述的苔藓虫是1950年夏在吉林省密山县黑台车站北面约18里的珍珠后山采得;