192 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 
406. NYCTEA SCANDIACA LINN. 
Snowy Owl. [61.] 
407. SURNIA FUNEREA (Liny.) Rico & Sw. 
American Hawk Owl. [62.] 
[407a.] SURNIA FUNEREA ULULA (Lixn.) Ripew. 
European Hawk Owl. 
408. SPEOTYTO CUNICULARIA HYPOGASA (Bonap.) RiIpew. 
Burrowing Owl. [58,59.]- 
408a. SPEOTYTO CUNICULARIA FLORIDANA hRipew. 
Florida Burrowing Owl. 
409. GLAUCIDIUM GNOMA WacL. 
California Pigmy Owl. [60.] 
410. GLAUCIDIUM PHALZA:NOIDES (Datcp.) Scr. & Saty. 
Ferruginous Pigmy Owl. 
4ii. MICRATHENE WHITNEYI (Coorer) COvUEs. 
Whitney's Pigmy Owl. 
412, HIBROFALCO GYRFALCO CANDICANS (Gm.) RIDGewW, 
White Gyrfalcon. [11.] 
412a. HIBROFALCO GYRFALCO ISLANDUS (Gu.) RIDGw. 
Iceland Gyrfalcon. [12.] 
412). HIBROFALCO GYRFALCO SACER (Forst.) Ripvew. 
McFarlane’s Gyrfalcon. 
412c. HITEBROFALCO GYRFALCO OBSOLETUS (Gx.) Ripew. 
Labrador Gyrfalcon. 
418. HIBROPALCO MEXICANUS POLYAGRUS (Cass.) Ripew. 
Prairie: Falcon. [10.] 
414. FPALCO PEREGRINUS NA:VIUS (Gm.) Ripew. 
American Peregrine Falcon; Duck Hawk. [5,6.] 
4i4a. FALCO PEREGRINUS PEALEI Rivew. 
Peale’s Falcon. 
415. FALCO ALBIGULARIS Daun. 
Chestnut-thighed Falcon. [8.] 
[416.] ASALON REGULUS (Patt.) BLYTH. 
European Merlin. 
417. #3SALON COLUMBARIUS (LINN.) Kavp. 
Pigeon Hawk. [7.] 
417a, SALON COLUMBARIUS SUCKLEYI Rinew. 
Black Merlin. 
4i8. Z8SALON RICHARDSONII Rinwew. 
Richardson's Merlin. 
