BIRDS OF NORTH AND MIDDLE AMERICA. 109 



hh. Colors duller, the abdomen brownish black or dark brown; tail 

 longer (averaging 78.9). (Isthmus of Panama.) 



Ramphocelus dimidiatus isthmicus, adult male (p. 118) 

 gg. Abdomen with dusky (not black) area much restricted, sometimes 

 obsolete; general coloration lighter; greater wing-coverts edged 

 with dusky red. (San Miguel Island, Bay of Panama.) 



Ramphocelus dimidiatus limatus, adult male (p. 119) 

 ee. Red feathers of rump and under parts and tail coverts with central spots 

 of black. ( ' ' Guatemala. ' ' ) 



Ramphocelus uropygialis, adult male (p. 119) 

 aa. Wings and tail dusky with lighter (grayish, lirownisli, dull reddish or light olive 

 or olive-greenish) edgings. (Adult females and immature males.) 

 h. Throat grayish or pale brownish; rest of under parts yellowish olive or light 

 tawny-olive. 

 c. Rump and upper tail-coverts ligiit yellowish olive. 



Ramphocelus passerinii, adult female and young male (p. 110) 

 cc. Rump and upper tail-coverts orange-rufous. 



Ramphocelus costaricensis, adult female and young male (p. Ill) 

 hh. Throat not grayish; under parts of body not olive, 

 c. Throat, under parts of body, and rump yellow (lemon or sulphur). 



Ramphocelus icteronotus, adult female and young male (p. 113) 

 cc. Throat brown or maroon; under parts of body brownish red or ochraceous- 

 orange. 

 d. Rump and under parts ochraceous-orange; back light olive; head and neck 

 (all round) olive. 



Ramphocelus luciani, adult female and young male (p. 116) 

 (Id. Rump and under ])arts brownish red; back reddish ljrown;head and neck 

 (all round) warm sepia brown or dark reddish brown. 

 e. Throat maroon; back deeper reddish brown; rump and under parts of 

 body deeper ])r(iwnish red. 



Ramphocelus melanogaster, adult female and young male (p. 116') 

 ee. Throat dark sooty brown or seal brown; back lighter reddisli brown; 

 rump and under parts of body lighter brownish red. 

 /. Head and neck dark sooty brown, the general coloration darker and 

 richer. 

 Ramphocelus dimidiatus dimidiatus, adult female and young male (p. 117) 

 ff. Head and neck seal brown, the general coloration lighter and duller. 

 g. Larger (wing averaging 75.9, tail 72.1, tarsus 21.3). 

 Ramphocelus dimidiatus isthmicus, adult female and young male (p. 118) 

 gg. Smaller (wing averaging 74.4, tail 66.5, tarsus 20.1). 



Ramphocelus dimidiatus limatus, adult female and young male (p. 119) 



RAMPHOCELUS PASSERINII Bonaparte. 

 PASSERINI'S TANAGER. 



Adult male. — Uniform glossy black; entire lower back, rump, and 

 upper tail-coverts bright, intense scarlet, the feathers white for basal 

 half, with yellow between the white and scarlet; bill light blue in life 

 (grayish in dried skins) with tip black; iris brown; legs and feet 

 dusky grayish in dried skins (grayish blue in life?); length (skins), 

 148.6-165.1 (15T.2); wing, 71.1-78.2 (71.9); tail, 64-71.2 (68.3); 

 exposed culmen, 12.4-11.7 (18.5); depth of bill at base, 7.4-8.1 (7.9); 

 tarsus, 21.3-23.4 (22.4); middle toe, 13.5-16.8 (15).' 



' In footnote. ^ Twenty-four specimens. 



