434 PHRYGILUS GAYI AND ALLIED SPECIES. 



Phrygilus puuensis, sp. uov. 



Emleriza gaiji D'Orb., Mag. Zool., 1837 (Syaop. Av.), "5 (La Paz, Bolivia), wee Frin- 

 giUa goiji Gerv., 18:J7. 



Phrygilus gayi TsCH., Fauu. Per., 1844-'46, 218.— Taczax., P. Z. S., 1874, 520 (Ma- 

 raynioc, Araucoclia, auclJnnin, Ceutr. Peru); 1880, 199 (Cutervo, North- 

 ern Peru); Orn. Per., iii, 1886, 32. 



Habitat. — Basin of Lake Titicaca, in Peru and Bolivia. 



Sp. Char. — Similar to F. gayi (Gerv.), but much larger, witli color of 

 back much browner (decidedly rufescent in male), that of breast, sides, 

 &c., also strongly tinged with rusty instead of yellowish olive or yel- 

 lowish olive-green, and belly light saffron-yellow instead of clear gam- 

 boge. 



Adult male (Xo. 6535, Lafresnaye Coll., Boston Soc. Nat. Hist.) : Head, 

 neck, and chest uniform slate-gray, this bordered posteriorly by a col- 

 lar of deep olive-green, widest across chest (where about .20 broad), 

 narrowest across hind-neck, where almost obsolete; capistrum almost 

 black; back and scapulars tawny-russet, mixed and tinged with olive- 

 yellow, tlie rump entireh' of the latter color ; wing-coverts and upper 

 tail-coverts plain slate-graj' (lighter than color of head and neck; rem- 

 iges and tail-feathers dull black, edged with slate-gray. Breast, upper 

 belly, sides, and flanks similar in color to back, but rather lighter and 

 brighter, becoming gradually more olivaceous on flanks and saffron yel- 

 lowish ou belly, the middle portion of the latter nearly pure gamboge 

 or Indian yellow ; anal region and under tail-coverts dull white, the lat- 

 ter with centers extensively slate-graj-. Upper mandible blackish, 

 edged with paler; lower pale colored (pale bluish or lilac-grayish in 

 life ?). Length (mounted specimen), about 6.30 ; wing (quills not fully 

 grown out), 3.75; tail, 3.00; exposed culmen, .01 ; depth of bill at base, 

 .32 ; tarsus, 1.02 ; middle toe, .70. 



Adult female (?), Xo. 99571, U. S. Xat. Mus., Lake Titicaca, Peru (col- 

 lector unknown) : Head, neck, and upper chest uniform slate-gray, becom- 

 ing blackish ou lores, and indistinctly streaked with dusky on top of head ; 

 back and innermost scapulars plain, dull olive-green (decidedly browner 

 than in P. gayi); lower back and rump brighter and more yellowish 

 olive-green ; exterior scapulars dull brownish gray ; lesser and middle 

 wing-coverts and upper tail-coverts slate-gray, with indistinct darker 

 shaft-streaks; greater and primary wing-coverts, primaries, secondaries, 

 and tail-feathers dusky, edged with slate-gray. Sides of neck, lower 

 chest, breast, sides, and flanks deep gallstone yellow, tinged with rus- 

 set-orange, passing into light saffron yellow on middle of belly; anal 

 region dull white; femoral region, thighs, and under tail-coverts dull 

 light buffy, the latter with broad median streaks of slate-gray. Upper 

 mandible brownish black, lower whitish (apparently pinkish in life); 

 iris "dark brown"; feet brownish. Length (skin), 0.80; wing, 3.65; 

 tail, 2.75 ; exposed culmen, .62 ; depth of bill at base, .35 ; tarsus, 1.00 > 

 middle toe, .70. 



