WESTERN NIGHTHAWK. 
420a. Cliordeiles virginianus henryi. 10 inches. 
The nighthawk may be distinguished from the Whip-poor- 
wills by its forked tail in place of the rounded tail of the 
1 ‘ Poor-wills. ; , It also has a white band near the end of the 
tail, and across the primaries, the latter making a very con¬ 
spicuous mark when in flight. 
Nest. —They lay their eggs upon the ground or on a ledge 
with no attempt at nest building. The two eggs are a grayish 
white color, marbled, blotched and spotted with darker shades 
of gray and brown (1.20 x.95). Found from the plains to the 
Pacific and from British Columbia to Mexico. 
SENNETT NIGHTHAWK. 
420c. Cliordeiles virginianus sennetti. 10 inches. 
A paler and more of a grayish color than preceding. Habits 
the same. 
TEXAS NIGHTHAWK. 
421. Cliordeiles acutipennis texensis. 10 inches. 
The markings of this species are much finer and more mottled 
with a reddish brown color than the preceding. They are very 
abundant in Arizona, southern Texas and quite common in 
southern California. 
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