216 Psyche [Vol. 93 
Williams, N. E. and D. D. Williams. 1979. Distribution and feeding records of 
the caddisflies (Trichoptera) of the Matamek River region, Quebec. Can. J. 
Zool. 57: 2402-2412. 
Winterbourn, M. J. 1971. The life histories and trophic relationships of the 
Trichoptera of Marion Lake, British Columbia. Can. J. Zool. 49 : 623-635. 
