188 NORTH AMERICAN BIRDS. 



cidedly Y-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-.G5 (.59), 

 depth of bill at base .33-.40 (.35), tarsus 1.20-1.50 (1.38), 

 middle toe 1.10-1.22 . (1.18). Eggs 1.19 X -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. 



e*. 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- 

 .42 (.38), tarsus 1.13-1.28 (1.19), middle toe 1.03-1.17 (1.09). 

 Eggs 1.17 X -92. Hab. Florida, except extreme southern 



portion 289a. C. virginianus floridanus (COUES.) 



Florida Bob White. 



d*. 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 neai-ly 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 1.17 X .91. Hab. 



Texas and northeastern Mexico, north to western Kansas. 



2896. C. virginianus texanus (LAWR.). 



Texan Bob White. 



c 2 . 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 .5S-.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 and southwestern Florida. 

 . C. virginianus cubanensis (GOULD). Cuban Bob White. 1 

 J*. Adult males with lower parts chiefly uniform cinnamon-rufous or cinnamon- 

 color. 



1 Ortyx cubanensit GOULD, Mon. Odont. 1850, pi. 2. 



