192 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



406. NYCTEA SCANDIACA Linn. 



Snowy Owl. [61.] 



407. SURNIA PUNERBA (Linn.) Eich &, Sw. 



American Hawk Owl. [62.] 



[407a.] SURNIA FUNEREA ULULA (Linn.) Eidgw. 

 European Haw^k Owl. 



408. SPEOTYTO CUNICULARIA HYPOGiEA (Bonap.) EidGW. 



Burrowing Owl. [58,59.] 



408 a. SPEOTYTO CUNICULARIA FLORID ANA RiDGW. 

 % Florida Burrowing Ow^l. 



409. GLAUCIDIUM GNOMA Wagl. 



California Pigmy Owl. [60.] 



410. GLAUCIDIUM PHALiENOIDES (Daud.) Scl, & Salv. 



FeVruginous Pigmy Owl. 



411. MICRATHENE "WHITNEYI (Cooper) Coues. 



"Whitney's Pigmy Owi. 



412. HIEROFALCO GYRFALCO CANDICANS (Gm.) ElDGW. 



White Gyrfalcon. [11.] 



412a. HIEROFALCO GYRFALCO ISLANDUS (Gm.) Eidgw. 

 Iceland Gyrfalcon. [12.] 



412 &. HIEROFALCO GYRFALCO SACER (FORST.) EiDGW. 

 McFarlane's Gyrfalcon. 



412c. HIEROFALCO GYRFALCO OBSOLETUS (Gm.) Eidgw. 

 Labrador Gyrfalcon. 



413. HIEROFALCO MEXICANUS POLYAGRUS (Cass.) ElDGW. 



Prairie Falcon. [10.] 



414. FALCO PEREGRINUS NJ5BVIUS (Gm.) Eidgw. 



American Peregrine Falcon ; Duck Hawk. [5,6.] 



414 a. FALCO PEREGRINUS PEALEI Eidgw. 

 Peale's Falcon. 



415. FALCO ALBIGULARIS Daud. 



Chestnut-thighed Falcon. [8.] 



[416.] iESALON REGULUS (Pall.) Blyth. 

 European Merlin. 



417. iESALON COLUMBARIUS (Linn.) Kaup. 



Pigeon Hawk. [7.] 



417 a. iESALON COLUMBARIUS SUCKLE YI EiDGW. 

 Black Merlin. 



418. iESALON RICHARDSONII Eidgw. 



Richardson's Merlin. 



