BIEDS OF NORTH AND MIDDLE AMERICA. 697 



Mountain; GreybuU) to central Colorado (Denver; Berthoud; Love- 

 land; Colorado Springs; Estes Park; Gold Hill, Boulder County; 

 Fort Collins; Larimer County; Adams County; Wet Mountains; 

 Dry Willow Creek, Yuma County). 



Scops asio (not Strix asio Linneeus) Ridgway, Bull. Essex Inst., v. 1873, 185 (Colo- 

 rado). 



Scops asio, £. maxwellix Ridgway, Field and Forest, ii, no. 11, May, 1877, 210, 

 213 (Boulder, Colorado; t>T)e now in coll. U. S. Nat. Mus.). 



[Scops asio] e. maxwellix Ridgway, Proc. U. S. Nat. Mus., i, 1878, 106, 107, 114 

 (monogr.). 



Scops asio viaxwellix A^hEN , Bull. Nutt. Orn. Club, v, April, 1880, 90. — Ridgway, 

 Proc. U. S. Nat. Mus., iii, 1880, 191; Nom. N. Am. Birds, 1881, no. 402c. 



Scops maxivelUie Ridgway, Field and Forest, ii,May. 1877, 214, in text. — Gurney, 

 Cat. Birds of Prey, 1894, 38. 



[Scops] viaxivellise Sharpe, Hand-list, i, 1899. 289. 



Scops asio maxwellse Coues, Check List, 2d ed., 1882, no. 467. — Brewster, 

 Bull. Nutt. Orn. Club, vii, 1882, 33 (geog. range). 



S[cops] a[sio] maxwellse Coues, Key N. Am. Birds, 2d ed., 1884,506. 



Megascops asio maxwellix Stejneger, Auk, ii, April, 1885, 184. — American 

 Ornithologists' Union, Check List, 1886 (and 2d ed., 1895). no. 373e.— 

 Bendire, Auk, vi, 1889, 298 (geog. range; breeding habits; descr. nest and 

 eggs); vii, 1890, 91 (Gold Hill, Boulder Co., Colorado; food); Life Hist. N. 

 Am. Birds, (i), 1892, 363, pi. 12, fig. 10.— Hasbrouck, Auk, x, 1893, 251, 256 

 (geog. range).— Lowe, Auk, xi, 1894, 268 (WetMts., Colorado, 7,800 ft.).— 

 Cooke, Birds Col., 1897, 78 (foothills to about 6,000 feet; breeding at Denver, 

 Boulder, and Loveland); Bull. 44, Col. Agric. Exp. Sta., 1898, 160 (Colorado 

 Springs in winter only). — Cameron, Auk, xxv, 1908, 56 (Butte Co., Montana, 

 breeding). 



M[egascops] asio maxwellix Ridgway, Man. N. Am. Birds, 1887, 262. 



Megascops asio maxicellx Rockwell, Condor, ix, 1907, 140[-145], cuts (n. e. 

 Colorado; range, breeding habits, etc.). 



Otiis a[sio] maxwellix Stone, Auk, xx, July, 1903, 275. 



Oliisasiomaxwellix'is'LETZ,Qond.or, x, 1908, 143-145 (n. Wyoming; nesting habits; 

 4 cuts).— Smith (H. G.), Auk, xxv, 1908, 185 (Dry Willow Creek, Yuma Co., 

 Colorado). — American Ornithologists' Union Committee, Auk, xxv, 

 1908, 372; Check List, 3d ed., 1910, 173.— Hersey and Rockwell, Condor, 

 xi, 1909, 118 (Adams Co., Colorado, resident). — Henderson, Univ. Colo. 

 Stud. Zool., vi, 1909, 230 (Plains and lower mountain district of Colorado, up 

 to 9,000 feet).— Cooke, Auk, xxvi, 1909, 412 (Dry Willow Creek, Yuma Co., 

 Colorado, breeding). — Saunders, Auk, xxviii. 1911, 37 (Bridger Canon, 

 Gallatin Co., Montana, July).— Widmann, Auk, xxviii. 1911, 312 (Estes 

 Park, Colorado, July). 



OTUS ASIO MACFARLANEI (Brewster). 



MAC FARLANE'S SCREECH OWL. 



Larger and very much darker than 0. a. maxwellise; similar in 

 coloration to 0. a. hendirei but much larger. 



Adult maZe.— Length (skins), 225-250 (234); wing, 170-1S7.5 

 (177.7); tail, 78-90.5 (86.1); culmen, from cere, 14.5-15.5 (IS.l).** 



a Eight specimens. 



