SLUGS AS MYCOPHAGISTS 



215 



Of the species attacked, some, e.g. the Russulae, were damaged 

 much more than others. Scarcely a single fruit-body of any species 

 of Russula could be found which had not been partially eaten. Very 



FIG. 76. Under surface of a pileus of Boletus elegans showing the ravages 

 made in the hyraenial tube-layer by a slug. The slug, Arion subfuscus, 

 has one of its long horns partially extended. Photographed in Ocke- 

 ridge Woods, near Worcester, Sept. 21, by Somerville Hastings and 

 the author. Natural size. 



few of the fruit-bodies of HypJioloma fasciculare, Laccaria laccata, 

 and Lactarius glyciosmus had been eaten and these only slightly, 

 so that it seems that slugs do not much relish these species. 



Of the species not attacked by slugs only single fruit-bodies 

 were found oiFlammula inopus, Inocybe asterospora, and Cortinarius 

 sanguineus, and a few fruit-bodies only of the relatively tiny 



