200 CHECK-LIST OF NORTH AMERICAN BIRDS. 







GENUS NYCTALA BREHM. 

 Nyctala BREHM, Isis, 1828, 1271. Type, Strix ten^malmi GMEL. 



371. Nyctala tengmalmi richardsoni (BONAP.). 



Richardson's Owl. 



Nyctale richardsoni BONAP. Geog. & Comp. List, 1838, 7. 



Nyctale tenginalini var. richardsoni RIDGW. Am. Nat. VI. 1872, 283. 



[B 55, C 327, R 400, C 482.] 



HAB. Arctic America, south occasionally in winter into the North- 

 ern United States. 



372. Nyctala acadica (GMEL.). 



Saw-whet Owl. 



Strix acadica GMEL. S. N. I. 1788, 296. 



Nyctale acadica BONAP. Geog. & Comp. List, 1838, 7. 



[B 56, 57, C 328, R 401, C 483-] 



HAB. North America at large, breeding from the Middle States 

 northward. 



* GENUS MEGASCOPS KAUP. 

 Megascops KAUP, Isis, 1848, 765. Type, Strix asio LINN. 



* 



373. Megascops asio (LINN.). 



Screech Owl. 



Strix asio LINN. Syst. Nat. ed. 10, I. 1758, 92. 

 Megascops asio STEJN. Auk, II. April, 1885, 184. 



[B 49,/w/, C 318, R 402, C 465.] 



HAB. Temperate Eastern North America, south to Georgia, and 

 west to the Plains. Accidental in England. 



373 a. Megascops asio floridanus (RIDGW.). 



Florida Screech Owl. 



Serfs asio vax. floridanus Rim;\v. Bull. Essex Tnst. Dec. 1873, 2O - 

 Megascops asio floridanus STEJN. Auk, II. April, 1885, 184. 



