13 



r.cLI Gen. IV, StRIX. Li.. 



NocturnEe. j I. Sub -gen. Strix. Lin. (Owls without tufts.) 



23 sp. * Strix nyctea. Lin. The snowy Owl. 

 Nijctea Candida. Bonap. 



Nest. On the ledge of precipitous rocks, in Lapland and the north of liurope and America; 



accidentally in Great Britain. 

 Effffs. 2, " white." Sir J. Richardson. 



23 a 



23/5 



23 c- 



24 sp. * Strix funerea. Lath. The Hawk-owl. 



Suniia „ Gould. 



Nest. On trees in the arctic regions ; accidentally in Great Britain. 

 Eggs. 2, white. 



24 « 



24^ 



24 c 



