CHORDEILES. 301 
primary coverts unspotted dusky; secondaries not distinctly, if at all, 
spotted with buffy or ochraceous; general color above very variable, but 
with dusky markings rarely distinctly longitudinal, or streak-like; first 
quill usually longest. 
6’. Darker, with dusky markings predominating above. 
c. Larger: Wing 7.30-8.25 (7.79), tail 4.30-4.75 (4.52). Eggs deposited in 
open situations (fields, etc.), 1.18 x .86, pale olive-buff, buffy white, 
grayish white, etc., thickly speckled and dashed, in varying char- 
acter and quantity, with deep brown, olive, or even blackish, usually 
mixed with clouding or marbling of pale purplish gray. Hab. 
Eastern North America, north to Hudson’s Bay, west to edge of 
Great Plains (to Pacific coast along northern border of United 
States); south, in winter, to Bahamas, Cuba, Jamaica (breeds ?), 
Middle America, and portions of eastern South America. 
420. C. virginianus (GmeL.). Nighthawk. 
ce. Smaller: Wing 6.60-7.25, tail 3.85--4.30.1 Hggs 1.13 x .80, the markings 
averaging bolder and darker than in C. virginianus. Hab. Southern 
Florida, Cuba, and Jamaica. 
(45.) 420. C. virginianus minor (Caz.). Cuban Nighthawk. 
6. Paler, with light grayish, buffy, or ochraceous markings predominating 
on upper parts; length 9.15-10.00, wing 7.65-8.50 (7.89), tail 4.25-4.95 
(4.59). Eggs 1.18 x .85, averaging paler than those of true C. virgini- 
anus. Hab. Western United States, east, occasionally, to western and 
northern Illinois, south to table-lands of Mexico. 
420a. C. virginianus henryi (Cass.). Western Nighthawk. 
a’. White (or buffy) spot or patch on quills situated usually mainly or wholly pos- 
terior to tip of seventh quill, the space between this patch and the primary 
coverts usually distinctly spotted with buff or ochraceous; secondaries con- 
spicuously spotted with ochraceous; general color above dull grayish, mot- 
tled and streaked with dusky; first quill usually shorter than second; length 
about 8.00-9.00, wing 6.60-7.30 (7.11), tail 4.10-4.75 (4.37). Eggs 1.06 x 
.77, dull white, grayish white, etc., finely speckled with olive or vandyke- 
brown (averaging much paler in coloration than eggs of C. virginianus henry). 
Hab. Southwestern border of United States (Texas to southern Utah and 
California), and south to Costa Rica. 
421. C. acutipennis texensis (Lawr.). Texan Nighthawk. 
1 Florida specimens are not quite typical, being larger than those from Cuba or Jamaica, and,-asa rule, with 
less ochraceous in their plumage. Four Florida specimens (Miami, Marco, and Clearwater), compared with four 
from Jamaica and two from Cuba, measure as follows: 
Florida specimens: Wing 7.00-7.25 (7.15), tail 4,10-4.30 (4.13). 
Cuban specimens : Wing 6.75-7.00 (6.88), tail 4.00-4.30 (4.15). 
Jumaicun specimens: Wing 6.60-7.00 (6.80), tail 3.85-4.00 (3.95). 
