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BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. 6. 



d. Middle of breast and abdomen bright yellow, and shoulder patches 



greenish blue (Trinidad and Eastern Coast district of Venezuela) .... Tangara mexicana vieilloti. 

 General color of under parts not yellow or if middle of belly is yellow 

 it is in combination with decidedly green breast and sides. 

 >. General color of under parts olive green (with or without purplish 



gloss), blue, grey, pale grey or white, and without a dark breast band. 

 c. Throat black, blackish, purple or yellow (in adults). 

 d. Throat yellow (males). 



. Above dull sooty black; lower back bright yellow 



'. Above cinereous ; head and neck orange red 



d'. Throat black, blackish or purple. 



. Crissum black 



'. Crissum, not black. 



/. Tail long and graduated, feathers tipped with white 



/'. Tail feathers not white tipped 



c'. Throat not black, blackish nor yellow 



d. Middle of belly chestnut 



d'. Middle of belly not chestnut. 

 e. Above olive green. 

 /. Crown bright blue 



Hemithraupisflavicollis auri- 



gularis l . 

 Thlypopsis sordida sordida. 



Tangara paradisea. 



Cissopis leveriana. 

 Schistochlamys aterrima. 



Tanagrella iridina. 



/'. Crown olive green Thraupis 



'. Not olive green above. 



/. Under parts pale greyish or whitish and wing not over 80 mm. 

 (male, cap black; female, nearly uniform cinereus grey above). 

 /'. Wing more than 80 mm. 



g. Under tail coverts (crissum) white or pale bluish white 



g'. Under tail coverts not white nor pale bluish-white. 



h. Lesser wing coverts violaceous or violet (and the under 

 parts in adult plumage glossed with greater or lesser in- 

 tensity with violet) 



h'. Lesser wing coverts blue and under parts with a greenish 



rather than a violet or bluish gloss 



b'. General color of under parts not olive-green, blue, grey, pale grey nor 

 white or else with a distinct dark breast band. 



c. Above and below bright vermilion 



c". Not bright vermilion. 



d. A distinct blackish band across breast 



d'. No dark breast band. 



e. General color of under parts green. 



f. Head chestnut brown and middle of belly blue or green. 



g. Bend of wing golden yellow 



g'. Bend of wing uniform with remaining upper surface 



/.' Head green, feathers black at base; middle of belly yellow 



'. General color of under parts not green. 



f. Outer edges of wing-quills greenish blue or bluish green 



/'. Outer edges of wing-quills not greenish nor bluish. 



g. Mandible enlarged and swollen at base; breast dark maroon 



(male). 



h. Back and belly black (males) ; females, above dusky seal 

 brown ' 



h'. Upper paits velvety blackish maroon glossed with crim- 

 son (males) ; females, above dark mummy brown. 

 . Larger; wing 80 mm. or more 



'. Smaller; wing less than 80 mm 



g'. Mandible not noticeably enlarged and swollen at base. 

 h. With a well marked median vertical crest (males). 



'. Median crest bright scarlet 



'. Median crest not scarlet. 

 j. With an ochraceous or buffy throat spot. 



k. Crest small, bright orange red bordered with 

 creamy buff 



fe 7 . Crest larger, orange yellow narrowly bordered 

 with creamy buff 



/. No gular spot ; throat uniform with breast (male) . . . 

 h.'. Without elongated median vertical crest. 



Sporathraupis cyanocephala 

 subcinerea. 



palmarum mel- 



anoptera. 

 palmarum pal- 

 marum. 



Nemosia pileata. 

 Thraupis glaucocolpa. 



Thraupis episcopus nesophi 

 lus. 



Thraupis cana cana. 



Piranga rubra rubra. 

 Tangara nigrocinclu. 



Tangara gyrola. 

 Tangara desmaresti. 

 Tangara xanthogastra. 



Tangara cayana. 



Ramphocelus atrosericeUs 

 capilalis. 



Ramphocelus carbo magni- 



roslris. 

 Ramphocelus carbo carbo. 



Phoenicothrc 

 rubica. 



Tachyphonus cristaluf crist- 

 atellus. 



Tachyphonus crislatus inter- 



cedens. 

 Tachyphonus surinamus 



1 See American Museum Bull. 



