Plate LXXV. 
2. Megascops asio. 
1. Nyctala acadica. 
=“ 
vo 
ie 
2 
3 
o 
a 
oO 
a 
oo 
3 
bel 
(2) 
3 
+ 
ag 
= 
° 
S 
i) 
& 
a 
J 
= 
3 
® 
a 
co] 
oe) 
