to 
for) 
to 
(34.) 
NORTH AMERICAN BIRDS. 
d. Plumage grayish brown, or decidedly brownish gray, above, the 
blackish mesial streaks usually narrower and less conspicuously 
contrasted ; bars on lower parts coarser and less crowded ; black 
border to face usually with distinct admixture of brown, and 
black spots on breast with distinct brown exterior suffusion ; 
length about 8.50-10.00, wing 6.30-7.20 (6.60), tail 3.30-3.90 
(8.58). Hggs 1.38 1.18. Had. California. 
873c. M. asio bendirei (Brewsr.). California Screech Owl. 
ce. Larger, the wing averaging more than 6.75. 
d@, The grayer specimens hardly distinguishable in plumage from I. 
asio bendirei, but size decidedly greater; plumage varying to 
deep umber-brownish (especially in specimens from Pacific 
coast district); wing 6.92-7.80 (7.25), tail 3.65-4.60 (4.26). 
figgs 1.50 1.27. Hab. Northwest coast, from Oregon to 
Sitka, and east to northern Montana (Hellgate). 
373d. M. asio kennicottii (Etiior). Kennicott’s Screech Owl. 
@’, Very light-colored, pure white largely predominating on lower 
parts, the upper parts varying from pale buffy grayish to pale 
dull grayish cinnamon, with the white spots on outer webs of 
exterior scapulars and quills larger than in other forms, the 
latter sometimes more or less confluent; wing 6.70~7.50 
(6.91), tail 3.30-4.00 (3.66). Hab. Higher Rocky Mountains, 
from Colorado to eastern Montana (Fort Custer).. 373e. M. asio 
maxwelliz (Rivew.). Rocky Mountain Screech Owl. 
a*. Toes entirely naked, to extreme base. 
(35.) 
Adult: Above finely mottled grayish, relieved by irregular blackish mesial 
streaks ; outer webs of outermost scapulars bright ochraceous or orange- 
rufous (white beneath surface) ; outer webs of lower middle wing-coverts 
white, forming conspicuous spots; lower parts whitish, marked with 
very distinct broad mesial streaks and narrower bars or transverse lines 
of blackish ; face and throat—sometimes whole upper parts—sometimes 
more or less tinged or washed with orange-rufous. Young: Above 
mottled transversely with grayish and whitish, but without any longi- 
tudinal markings; lower parts similarly but more coarsely and regularly 
barred. Wing 5.10-5.60, tail 2.60-3.00. Eggs about 1.13 x .98. Hab. 
Highlands of Guatemala and Mexico, and northward to Colorado and 
northern California (Fort Crook). 
374. M. ammeolus (Kaur). Flammulated Screech Owl. 
Genus BUBO Dumérin. (Page 256, pl. LXXVI.,, fig. 1.) 
Species. 
Common Cuaracters.—Plumage irregularly varied with buffy, tawny, or whitish 
(or all together), and dusky, in variable relative extent. West in trees (often a 
deserted hawk’s or crow’s nest). Hggs 2-3. 
