304 BIRDS OF THE REPUBLIC OF PANAMA PART 3 



stomach) ; tarsus and toes dark neutral gray; daws brownish gray; 

 basal pads underneath toes yellowish. 



A juvenile male, taken at the same time, was similar except that 

 the tarsi, toes, and claws were blackish slate. 



A female collected at this locality January 13, had the iris dark 

 wood brown ; maxilla, except posterior cutting edge, and tip of 

 mandible black ; rest of maxilla and of mandible dull greenish neutral 

 gray, somewhat paler along cutting edge ; thickened edge of eyelids 



Figure 28. — Three-wattled bellbird, calandria, Procnias tricarimcxilata, female. 



and partly bare skin on chin, lores, area back of eye, and forehead 

 dull slate ; tarsus and toes dusky neutral gray ; claws fuscous-black ; 

 under side of toes dull yellowish. 



Adult females have a very slight development of the lateral wattles 

 at the posterior angles of the mouth. In immature males these and 

 the one of the forehead begin growth early. As these grow, they 

 hang down, swinging freely and casually as the birds move about. 

 Ancient representations of these birds showing the wattles standing 

 stiffened and extended have no basis in fact. 



Measurements. — Males (10 from Bocas del Toro, Chiriqui, and Los 

 Santos), wing 163-177 (168), tail 99.8-112.7 (105.0), culmen from 

 base 17.1-19.7 (18.1), tarsus 28.0-30.8 (29.6) mm. 



Females (10 from Costa Rica, Chiriqui, Bocas del Toro, and 

 Veraguas), wing 145.7-168.0 (155.5), tail 95.2-109.0 (101.0), cul- 

 men from base 17.6-22.5 (19.3), tarsus 25.2-30.5 (27.9) mm. 



The measurement of the culmen is taken from the base of the 



