156 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Genus NESOSPINGUS Sclater. 



Nt'^ospingas Sclater, Ibis, 5th ser. , iii, July, 1.S85, 27o. (Tj'i)e, Chlorosphiyu^ sjh'cu- 

 liferu^ Lawrence.) 



Mediuin-.sized, plainly coloivd Tanag-ers with outovmost (ninth) pri- 

 mary shorter than fourth (sonjctinies .shorter tiian third); coloration 

 plain olive above with a .small white spot at base of primaries; whitish 

 beneath. 



Bill sulx'onical, ratlier stout; expo.sed culmen nearly tAvo-thirds as 

 long as tarsus, nearly straight basally, gradually convex for terminal 

 half; gonys slightly convex, nearly as long as maxilla from nostril; 

 depth of bill at base decidedly greater than its width; maxillary 

 tomhmi nearly straight, slightly notched subterminally, g-raduall}' and 

 slightly deflected l)asallv; mandiliular tomium slightly convex termi- 

 nally, straight in middle portion, gradually though decidedly convex 

 and deflected ba.sally. Nostril exposed, small, roundish, in anterior 

 end of na.sal fossa?. Rictal ])ristles very weak, hardly obvious. 

 Wing about three and four-tifths times as long as tarsus, rounded 

 (seventh, sixth, and flfth primaries longest, ninth .shorter than sixth, 

 sometimes shorter than seventh), primaries exceeding secondaries 1)}' 

 less than length of tarsus. Tail shorter than wing by al^out length of 

 tarsus, verj" slightly rounded, the rectrices moderately broad, with 

 Arm webs and rounded, though rather narrow, tips. Tarsus decidedly 

 longer than middle toe with claw; lateral claws reaching about to base 

 of middle claw; hind claw shorter than its digit, strongl}' curved. 



L'oloratkm. — Above plain grayish brown, with white spot at bast^ of 

 primaries; beneath white, slightly flecked on breast with grayish. 



Mange. — Island of Porto Rico, Greater Antilles. (Monotypic.) 



NESOSPINGUS SPECULIFERUS (Lawrence). 

 PORTO RICAN TANAGER. 



AdaU.<<{fie:ees alike). — Pileum, hindneck, sides of neck, and sides of head 

 (down to upper margin of malar region) dusk}' olive-grayish, the pileum 

 and hindneck and .sides of head less dusky, the flrst more or less distinctly' 

 streaked with ])lackish; back, scapulars, I'ump, upper tail-coverts, and 

 tail plain olive; wing-coverts and secondaries similar but slightl}' more 

 grayish, especially the greater coverts; primari(\s dusk}', edged with 

 grayish olive or olive-grayish, the sixth, flfth, and fourth with outer 

 webs white at the l)ase, showing ))eyond the primary coverts as a small 

 spot; under parts, including malar region, white, changing to light 

 grayish olive on sides and flanks; chest more or less flecked with olive- 

 grayish; under tail-coverts pale fulvous, with central sagittate markings 

 of dusky olive or brownish; maxilla dark brown or brownish black, 

 mandible paler horn brownish; legs and feet (in dried skins) grayish 

 dusky (bluish gray in life^). 



