98 



NORTH AMERICAN JilKDS. 



■/449- Strix pratincol.i. N'nturnl size. 



*886. ntiis wilsoni.inus. Natural size. 



7s;2, Scnti.iptcx cintreiim. Two thirds. 



78<n. N'yctale ritliar<lsoiii. Natural .size. 



^<^■ Scops asio. Natural iize. 



773. nubwirjjinianus. Twn tliirds. 



638. Nycica nivca. Two lliinls. 



7897. Suriiia ulula. Natural size. 



4s8. Glauciiliuni ferniiiiiioum. Natural size. 



437- Spheotyto liyput;a<,. Natural size. 



