98 



NORTH AlIERICAX BIRDS. 



7S97. 



7449. Strix piatincola. Natural size. 



4S86. Ocus wiisonianus. Natural size. 



7272. Scotiaptex cinereum. Two thirds. 



7899. Nyctalc richardsoni. Natural size. 



414 Scops asio. Natural size. 



773. Bubo Wrginianus. Two thirds. 



628. Nyctca nivea. Two thirds. 



7897. Surnia ulula. Natural size. 



428. Glaucidiiiin ferrosrincum. Natural size. 



437. Splieotyto hypugax>. Natural aze. 



