BIEDS OP NOETH AND MIDDtE AMERICA. 



549 



sooty black, the lower chest with tips of feathers pale colored, some- 

 times pale grayish minutely stippled, with darker, sometimes barred 

 with black and pale grayish or white, sometimes a large whitish 

 spot, of variable form; breast and sides duU white or buffy white 

 narrowly barred with dusky brown or black, the barring more close 

 anteriorly, more distant posteriorly; rest of underparts cream buff 

 to buffy white, the flanks sometimes with rather distant and rather 

 broad bars of dusky; under wing-coverts buff (more or less deep) 

 usually immaculate but sometimes with a few dusky spots or bars 

 near edge of wing; inner webs of primaries ochraceous-buff (except 

 terminally) with six or seven large curved transverse^spots of dusky, 

 of which the distal ones do not cross to edge of the web; bOl black; 

 iris brown; naked eyelids dull ochraceous or ochraceous-brown (in 

 life); legs and feet brownish, the former sometimes more hlaceous 

 (in life); length (skins), 162-209 (187); wing, 125.5-151 (142.5); 

 tail, 77.5-91.5 (85.5); exposed culmen, 10.5-15 (12.1); tarsus, 16-18 

 (17.5); middle toe, 16-18.5 (17.4)." 



Adult female. — Similar to the adult male and often not distinguish- 

 able, but usually ( ?) with white tip to lateral rectrices slightly narrower ; 

 length (skins), 171-205 (189); wing, 132-152.5 (142.6); tail, 80-95.5 

 (87.3); exposed culmen, 10-13.5 (12.1); tarsus, 17-19 (17.6); middle 

 toe, 15.5-19 (17.4).'- 



Young. — ^Not essentially different from adults, but markings in 

 general less sharply defined, especially on underparts, and throat 

 patch buff instead of white. 



Downy young. — ^Downy covering vinaceous-buff, paler on under- 

 parts; feathers appearing on upper parts dull buffy white minutely 

 stippled and vermiculated with grayish and with small spots and 

 narrow bars of black; those on middle underparts dull white barred, 

 more or less distinctly, with grayish or dusky. 



o Forty specimens. 



b Thirty-two specimens. 



Locality. 



Middle 

 toe. 



MALES. 



Nine adult males from Texas (6) and New Mexico (3) 



Five adult males from Colorado (2), Wyoming (2), and Mon- 

 tana (1) 



Ten adult males from Arizona 



Fiveadult males from Lower California 



Thieeadults males from s. e. California 



SixadultinalesfromNevada(3)andUtali(3) 



Oneadult male fromSonora (May) 



Oneadult male from Coahuila (May 21) 



Nine adult males from n. w. California (P. ». eaiifornieas) 



17.3 



17.8 



17.6 



17.2 



16.5 



17.5 



16 



18.5 



17.4 



