Owls. 



373f. Mexican Screech Owl (M. a. cineraceus) . 

 A gray color phase only. Similar to No. 373b, but 

 much grayer above; buff markings of No. 373b almost 

 wholly absent; below black bars more numerous and 

 narrower than in No. 373b. 



Range. — "New Mexico, Arizona, Lower California, and western 

 Mexico." (A. O. U.) 



373g. Aiken Screech Owl {M. a. aikeni). A gray 

 color phase only. W. 6.5. Similar to 373f, but still 

 grayer; almost no buff above; black markings wider on 

 head, back, and underparts. 



Range. — "Plains, El Paso County, Colorado, south probably to 

 central New Mexico and northeastern Arizona." (A. O. U.) 



373h. MacFarlane Screech Owl (M.a.macfarlanei). 

 A gray color phase only. Ads. Of the size of kenni- 

 cottii, but with color and markings of bendirei. W. 7-2; 

 T. 3.8. (Brewst.) 



Range. — "Eastern Washington and Oregon to western Montana 

 and probably intermediate regions, and north to the interior of 

 British Columbia." (Bailey.) 



373.1. Spotted Screech Owl {Megascops trichopsis). 

 L. 7.7. Ads. Above mixed black, grayish brown and 

 buff; black prevailing on head; feathers of foreback 

 with buffy white spots on either side near the end; 

 below much as in No. 373f. 



Range.— Southern Arizona and southward into northern Mexico. 



373.2. Xantus Screech Owl (Megascops xantiisi). 

 W. 5.3. Ad. <j\ Above drab, back tinged with pink- 

 ish rusty and faintly vermiculated with reddish brown; 

 breast paler ashy faintly suffused with pinkish or 

 rusty; belly whitish; underparts finely barred with red- 

 dish brown and streaked with clove-brown. (Brewst.) 



Range. — Cape Region of Lower California. 



374. Flammulated Screech Owl {Megascops flam- 

 meola). L. 7. Ads. Ear-tufts small; eye surrounded 

 by rusty, then by gray; crown, nape and tips of scap- 

 ulars largely rusty; neck band rusty. (See p. 141.) 



Range. — Mountains of Guatemala north to Colorado (n speci- 

 mens, 7 from Boulder County, Cook), west rarelv to California (2 

 specimens). 



374a. Dwarf Screech Owl {M.f. idahoensis). Sim- 

 ilar to No. 374, but slightly smaller and paler, es- 

 pecially on underparts where ground color is white and 

 black markings are restricted. 



Range.— Idaho, eastern Oregon and California (San Bernardino 

 Mountains, 3 specimens, Grinnell). 



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