Abstract
(1) A survey was made of the trematode and nematode parasites of Apodemus sylvaticus, Clethrionomys glareolus and Sorex araneus from the islands of Raasay, Ulva and Scalpay.(2) The following species have been recorded:—A. sylvaticus:Trematodes—Lyperosomum villaBrachylaemus recurvumNematodes—Capillaria muris-sylvaticiHeligmosomum glareoli*Syphacia stroma