108 BIRDS. 



only emarginate; much variegated; L. 15; W. 12; T. 6. 



U.S. 



2. A. accipitrinus, (Pallas.) Macgil. SHORT -EARED OWL. 

 Ear tufts small and inconspicuous; two outer primaries 

 emarginate; L. 15; W. 12; T. 6. U. S. and Europe. 

 (Brachyotus palustris, Auct.) 



3. STRIX, Linnaeus. BARRED OWLS. 



*Iris black ; 5 outer primaries emarginate. (Syrnium.} 



1. S.nebulosa, Forst. BARRED OWL. Toes not con- 

 cealed ; olive brown, barred with white above; breast 

 barred; belly streaked; L. 18; W. 14; T. 9. E. N. 

 Am., common. 



**Iris yellow ; 6 outer primaries emarginate. (Scotiaptex.) 



2. S. cinerea, Gmel. GREAT GRAY OWL. Toes con- 

 cealed by long feathers ; cinereous brown above, waved 

 with white ; breast streaked, belly barred ; largest of 

 all our owls ; L. 30 ; W. 18 ; T. 12. Northern, S. in 

 winter to N. States. 



4. NYCTALE, Brehm. SPARROW OWLS. 



1. N. iengmalmii, Gm. var. richardsonii, (Bon.) Ridg. 

 TENGMALM'S OWL. Nostrils sunken, elongated, opening 

 laterally; tail more than half wing; general color choco- 

 late brown, variegated; L. 10; W. 7; T. 4^. Northern, 

 S. to N. U. S. 



2. N. acadica, (Gm.) Bon. SAW-WHET OWL. Nos- 

 trils prominent, nearly circular, opening anteriorly; L. 

 8; W. 5|; T. 2f. U. S., rather northerly. 



5. SCOPS, Savigny. SCREECH OWLS. 

 1. 5. asio, (L.) Bon. SCREECH OWL. RED OWL. 

 Grayish, speckled and barred, or else with the grayish 

 replaced by bright reddish; these two different styles of 



