BIRDS OK NORTH AND MFDDLE AMERICA. 



407 



Eustei'ii Florida (Dei'p C'rcok, iieur Kiitcrpiise). 



I'arns carulliiensis hnpioer Bangs, Proc. New Engl. Zool. (,'lul), iv. Mar, Ki, J!)08, 

 1 (DeepCnvk, near I-ake Asliby, c Flon<la; n.ll. K. A. and O. F.aiig.s). 



PENTHESTES SCLATERI i Kleinschmidt ). 

 MEXICAN CHICKADEE. 



Siniiliir to /'. r(ii'oll)hjisls Imt laiocr and darker, and with the, sides 

 and flanks oliNc-oruy. 



Adi//fs III spritKj (did .sniiiiiier. — Pilouiu (includino- postocular and 

 upper half of loral regions) and hindneck iinil'oi'in l)lack, with a Taint 

 bluish i>-loss; malar region, chin, thi'oat, and upper ciiest unifoi'ni deep 

 black, very sharply destined posterioily ; sides of head and neck 

 b{>tAve(Mi the two black areas, white; back, scapular, lesser wing-coverts, 

 rinu}). and ui)])er tail coverts i)lain det^p olive-gray or inous(> gray, the 

 rump more strongly tinged with oli\'e; wings and tail dull slate color 

 with gray (nlgings, these })aler on ])rimaries and (except in worn plum- 

 age) on tertials; sides and flanks (broadly) and under tail-coverts oIi\ {>- 

 gray (paler and more tinged with olive than back): median portion of 

 lower chest, breast, and abdomen, white; bill, black; iris, brown; 

 legs and feet, dusky (bluish gray in life?). 



Aihdts in (lutuirin a?id irlnter. — Similar to the spring and sununer 

 plumage, but slightly more strongly ting(Kl with oli\-e. especially on 

 sides and flanks. 



li^ouiKj. — Similar to adults, but l)lack of head duller, and texture of 

 plumage difterent. 



Adidt ///^/^'.— Length (skins). 111.5-1:34.5 (12<>.4); wing, 65-71. 5 

 (6S.5); tail, 54.5-61.5 (57.9); culmen. S-lo (9."2); tarsus. 17-19.5 (17.S), 

 middle toe, 9-11 (10.1)." 



Adidt female. — Length (skins), 108-126.5 (11!».5); wing, 64.5-68.5 

 (66..5); tail, 54.5-58.5 (56.7); culmen, 9-9.5 (9.8); tarsus, 17-18.5(17.4); 

 middle toe, 9-10.5 (9.8).'^ 



" Twenty specimens. 

 '' Ten specimens. 



Specimens from central and suutlKU'u ]\Iexici) i-ompaiv in average nieasurcnifnts 

 with those from northwestern Mexico and southern Arizona, as follows: 



The northern series, perhaps, averages a very little paler and less olivaceous, but 

 the difference seems too slight and inconstant tc warrant sultspccitic separation. 



