268 Field Museum of Natural History — ^Zoology, Vol. IX. 



Family PARIDvE. Titmice and Chickadees. 



Small birds, less than 6.50 inches long ; wing, less than 3.50 in the 

 largest ; first primary, very short and small ; bill, short and stout (as 

 illustrated ) ; nostrils, concealed by bristly feathers ; throat, black ; 

 crown, black ; front toes, joined near the base ; wing, less than 3 inches 

 long (Chickadee), or forehead, black; sides, with rufous brown; 

 wing, over 3 inches long (Titmouse ) . 



GROUP 1. Wing, less than 3 inches long. 



Chickadee. 



Bill, less than three-eighths inch long; crown and throat, black; 

 greater wing coverts, edged with white ; breast, white; belly and sides, 

 pale buff. Penthestes atricapillus, and races. 



Chickadee. Black-capped Titmouse. 



See No. 352. 



