500 BIRDS OF THE REPUBLIC OF PANAMA PART 2 



and bits of berries. In another were fragments of 3 kinds of beetles, 

 2 earwigs, a dipteran, a caterpillar, and 1 seed. 



SEMNORNIS FRANTZII (Sclater) : Prong-billed Barbet, Cacareon 



Figure 63 



Tetragonops jrantzii Sclater, Ibis, vol. 6, nos. 23 and 24, July and October, 1864, 

 p. 371. (Near San Jose, Costa Rica.) 



Medium in size, dull in color ; olive-green above, buffy brown on 

 the f oreneck and upper breast. 



Description. — Length 170-185 mm. Bill broad and thick; tip of 

 mandible bifurcate; maxilla toothed subterminally, notched distally, 

 with the slender tip resting in the divided end of the mandible. Male, 

 crown rather dull golden brown; nape, hindneck, and upper back 

 brownish olive, changing to olive-green on wing coverts, lower back, 

 rump, and upper tail coverts ; tail duller green ; an elongated tuft of 

 glossy black feathers on the back of the head ; wings fuscous ; outer 

 webs of secondaries dull olive-green, of primaries brownish olive; 

 lores, anterior malar region, and chin dull slaty black, some with 

 the forehead also narrowly lined with that color ; rest of side of head, 

 f oreneck, and upper breast buffy olive, becoming brighter, more yellow 

 on lower breast, and distinctly pale yellow on the center of the 

 abdomen; a patch of pale bluish gray, with an indistinct anterior 

 bar of dull black, on each side of the breast ; sides and flanks dull 

 grayish, washed lightly and indistinctly with yellow ; tibia and under 

 tail coverts dull, somewhat olive-green ; edge of wing brownish buff ; 

 under wing coverts pale olive-buff; under surface of primaries at 

 base dull yellowish buff. 



Female, similar but without the black nuchal tuft. 



Immature male, grayish patch on sides of breast only partly de- 

 veloped, or lacking. 



On the label of a male from Costa Rica, Jose Zeledon marked the 

 iris as dark chestnut and the feet olive-green. On another, Austin 

 Smith described the iris as red, and the tarsus olive. In females, 

 Zeledon noted the iris as brick red and the feet dark plumbeous. 

 Austin Smith in a specimen marked the iris dark crimson. 



Measurements. — Males (10 from Chiriqui and Costa Rica), wing 

 83.7-91.4 (87.6), tail 57.0-65.2 (60.7), culmen from base 17.9-20.2 

 (18.8), tarsus 24.9-28.7 (26.8) mm. 



Females (10 from Chiriqui and Costa Rica), wing 84.7-91.6 (86.4), 

 tail 55.7-63.2 (59.5), culmen from base 17.7-19.2 (18.6), tarsus 25.3- 

 28.8 (26.2) mm. 



