94 



The Canadian Field-Naturalist 



[Vol. XXXIV. 



PERCE ROCK, QUE. 

 Courtesy of the American Museum of Natural History. 



ri'JKCK viLi.A(ji-;. Qi-|':., wri'ii noitcio hock ani) i:(».\A\i:.\'rrKi': i.-;l.\.\ii 



IX Till': DISTAXCIO. 

 Courtesy of tlu- Ami^riean Miiscuiii of .\;iiiiral 1 1 i.-^Kuv. 



