BIRDS OF NORTH AND MIDDLE AMERICA. 381 



cc. Crown and crest black or blackish; fnr('hea<l whitisli or rusty. (litvolojilms 

 atricrixtalivi. ) 

 d. Smaller (adult male averaging wing 71.2, tail 61.6, culmen 9.4, tarsus li».6); 

 gray of upper parts darker, more strongly tinged witii f)live. (Rio 

 Grande Valley and southward to Vera Cruz. ) 



Baeolophns atricristatus atricristatus (p. 384) 

 dd. Larger (adult male averaging wing 77.1, tail 06.9, culinen 10.7, tarsus 20.5); 

 gray of upper parts lighter, less tinged with olive. (Central and 

 southern Texas, except Rio Grande Valley. ) 



Baeolophus atricristatus sennetti (p. 386) 

 bb. Above brownisli gray or grayish brown, the head without any black or rusty; 

 sides and flanks i)ale brownish gray or grayish brown. {BxolophuH iiwr- 

 natus. ) 

 c. Smaller (wing of adult male averaging less than 70, of femaU; not more than 

 68); color of upper parts browner. 

 (/. Lighter in color, especially the under parts. (California north of San 

 Bernardino Mountains, except shores of San Francisco I'ay. ) 



Baeolophus inornatus inornatus (p. 887) 

 dd. Darker, especially the under parts. (Vit-inity of Sau Fraiicisi-o Bay.) 



Baeolophus inornatus restrictus (p. 389) 

 cc. Larger (wing of adult male averaging more than 70, of female more than 68); 

 color of upper parts grayer. 

 (/. Upper parts darker brownish gray. (Southern California and northern 



Lower California.) Baeolophus inornatus murinus (p. 389) 



dd. Upper parts lighter brownish gray. 



e. Under parts more decidedly grayish; tail and tarsus deci(le<lly longer, 

 bill larger, and middle toe shorter (adult male averaging wing 72.2, 

 tail 59.6, culmen 12.9, tarsus 21.5, middle toe 12.3). (Arid interior dis- 

 tricts, north to Nevada, Utah, and Colorado, south to New Mexico, 

 Arizona, and Panamint ^Mountains, California. ) 



Baeolophus inornatus griseus (p. 390) 



ee. Under parts more whitish; tailand tarsus decidedly shorter, billsmaller, 



and nuddle toe longer (adult male averaging 71.4, tail 56.5, culmen 



11.4, tarsus 19.9, middle toe 13). (Cape district of Lower California.) 



Baeolophus inornatus cineraceus (p. 391) 



(Id. Throat black, or partly so; a l)lack band across end of aiiricular region and 



another across side of neck. {Biculophiis vollnrbrri. ) 



h. Darker, with gray of upper parts more olive; the under i)arts light oHve-gray. 



(South-central Mexico, from Dnrango and Jalisco to Vera Cruz and Oaxaca. ) 



Baeolophus wollweberi woUweberi (p. 392) 

 fib. Paler, with gray of upper parts clearer, the under parts dull grayish-white. 

 (New INIexico and Arizona and southward into Chihualiua and Sonora.) 



Baeolophus wollweberi annexus (p. 393) 



BiEOLOPHUS BICOLOR ^ Linnaeus). 

 TUFTED TITMOUSE. 



Adult. 'i {seu'es alU'e) hi spriiigand f<umrne)\ — Forehead black, or sooty 

 black, margined posteriorly, more or less distinctly, with sooty l)rown; 

 rest of upper parts plain slate-t,n"ay; lores dull white, sharply defined 

 against the black frontal patch; orbital region dull white, relieved by 

 a black mark on upper eyelid; auricular region pale gray; malar 

 region and under parts dull white, passing on sides and tlanks into 



