188 
NORTH AMERICAN BIRDS. 
cidedly V-shaped. Length 9.50-10.75, wing 4.30-4.70 (aver- 
age about 4.55), tail 2.40-2.90 (2.70), culmen .55-.65 (.59), 
depth of bill at base .33-.40 (35), tarsus 1.20-1.50 (1.38), 
middle toe 1.10-1.22 (1.18). Hggs 118.94. Hab. 
Eastern United States, west to eastern Minnesota, Ne- 
braska, Kansas, Indian Territory, and Texas, south to 
Georgia, Alabama, and other Gulf States. 
289. C. virginianus (Linn.). Bob White. 
@. Smaller, with colors averaging darker, especially on lower 
parts, where black markings are broader and usually more 
transverse. Wing 4.10-4.50 (average about 4.28), tail 2.60- 
2.90 (2.76), culmen .57-.62 (.60), depth of bill at base .36- 
A2 (.38), tarsus 1.13-1.28 (1.19), middle toe 1.03-1.17 (1.09). 
Eiggs 1.18 x .94. Hab. Florida and Cuba. 
289a. C. virginianus floridanus (CovEs.) 
Florida Bob White. 
da’, Upper parts with little rusty (except anteriorly), an olive-grayish 
tint prevailing, the scapulars, tertials, and lower back usually 
without conspicuous black blotches, and the general surface 
usually distinctly barred with lighter; black markings of lower 
parts usually broad and nearly transverse, as in C. virginianus 
floridanus. Adult male usually with a very distinct band of 
uniform pale cinnamon across chest, immediately beneath the 
black collar. 
Wing 4.20-4.65 (4.39), tail 2.20-2.70 (2.44), culmen .50-,60 
(.59), depth of bill at base .30-40 (.36), tarsus 1.15-1.35 
(1.27), middle toe .95-1.15 (1.07). Eggs 1.18 x .94. Hab. 
Texas and northeastern Mexico, north to western Kansas. 
289). C. virginianus texanus (Lawe.). 
Texan Bob White. 
e. Feathers of flanks with black markings heavy, broken into irregular 
figures, often enclosing a white spot—the edge never continuously 
white; black markings on breast and belly very irregular or much 
broken, with frequently a longitudinal tendency; chest usually 
chiefly or entirely black, or striped with black and rufous, in the 
male, coarsely spotted with black, dull white, and rusty in the 
female. 
Wing 4.00-4.15 (4.07), tail 1.91-2.20 (2.07), culmen .58-.63 (.60), 
depth of bill at base .30-.35 (.32), tarsus 1.12-1.17 (1.14), middle 
toe 0.98-1.08 (1.04). Hab. Cuba. 
C. virginianus cubanensis (GoULD). Cuban Bob White! 
vb. Adult males with lower parts chiefly uniform cinnamon-rufous or cinnamon- 
color. 
1 Ortyx cubanensis GouLb, Mon. Odont. 1850, pl. 2. 
