4 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



/(//. Bill stouter (depth of maxilla immediately in front of nostril more 

 than one-third the distance from nostril to tip), 

 i. Tail equal to distance from bend of wing to tips of secondaries; 

 pileum with a bushy crest. 

 ,;'. Bill smaller, more slender; maxillary tomium without median 

 tomial tooth; occipital crest (and rest of head) gray; sexes 

 alike (yellowish olive-green above, yellow below). 



Encometis (p. 138) 

 jj. Bill larger, stouter; maxillary tomium with a more or less 

 distinct median "tooth;" vertical crest red; sexes very dif- 

 ferent (adult males mostly, or largely, red ; adult females 

 brown or olive above, including head, yellowish below). 



Phoenicothraupis (p. 141) 



ii. Tail decidedly shorter than distance from bend of wing to tips 



of secondaries; pileum not crested. 



j. Bill stouter, much broader basally (basal width greater than 



basal depth, and equal to length of gonys); tarsus not more 



than one-fourth as long as wing; coloration plain olive-green, 



more yellowish below Chlorothraupis (p. 154) 



jj. Bill more slender, narrower basally (basal width less than 



basal depth, decidedly less than length of gonys); tarsus 



much more than one-fourth as long as wing; coloration plain 



grayish brown above, whitish below. ..Nesospingus (p. 156) 



gg. Bill much smaller, the exposed culmen much less than two-thirds 



as long as tarsus Chlorospingus (p. 157) 



cc. Outermost (ninth) primary shorter than innermost (first). 



Mitrospingus (p. 167) 



Genus CHLOROPHONIA Bonaparte. 



Chlorophonia (not ChloroplKmeus Cabanis, 1850)' Bonaparte, Rev. etMag.de 



Zool., Ill, 1851, 137. (Type, Tanagm rirklis Vieillot.) 

 Chloreuphonia (emendation) Sclater, Jardine's Contr. Orn., 1851, 94. 

 Triglyphidia'' Reichenbach, Av. Syst. Nat., 1850, pi. 63. (Type, Tanagra viridis 



Vieillot.) (See Cabanis, Journ. fiir Orn., viii, 1860, 331.) 

 Acrocompsa^ Cabanis, Journ. fiir Orn., ix, Jan., 1861, 88, 89. (Tj'pe, D^igh/phldia 



callophrys Cabanis. ) 



Small broad-gaped, short-tailed, friigivorous Tanagers with the 

 plumage mainly pure grass green. 



Bill small but broad at ])ase, triangular in vertical profile, its basal 

 width equal to length of maxilla from nostril {C. viridis) to nearly equal 

 length of exposed culmen (other species); exposed culmen about half 

 as long as tarsus (or a little more or less), nearly straight basally, more 

 or less strongly convex terminally; gonys nearly or quite equal to dis- 

 tance from nostril to tip of maxilla, more or less strongly convex, 

 ascending terminally; maxillary tomium more or less strongly notched 

 near tip (sometimes distinctly toothed behind the notch), thence nearly 



' Chlorophoneus Cabanis, Mus. Hein., i, 1850, 70. Type, MalaconaluK rubiginosus Sun- 

 devall. (Laniidse.) 



''"Diminutive Ableitung von xAvqji^, iSo^, die Kerbe." (Cabanis, Journ. fiir 

 Orn., 1860, 331, foot note.) 



^ "Von ccKpo^, obenauf, und Kojuipoi^, geschmiickt." 



