78. PYKGISOHA. 733 



Adult. Dusky brown, the crown and sides of the head rufous ; 

 ear-coverts uniform with the back, the tips of the feathers, how- 

 ever, chestnut ; lores whitish ; forehead and cheeks dusky black ; 

 under surface of body white, the flanks like the back ; an indistinct 

 pectoral spot of black ; vent rufescent ; bill blackish horn-colour ; 

 feet pale hazel-brown. Total length 7'3 inches, wing 3-3, tail 2-9, 

 tarsus 1. {Salvin 6f Goclman, I. c.) 



Hab. Mexico? 



3. Pyrgisoma biarcuatum. 



Pyrgita biarcuatus, Prev. $■ Des Murs, Voy. Venus, Atlas, pi. 6 



(lo4bj. 

 Emberiza biarcuata, iid. Voy. Venus, v. Ois. p. 216 (1855). 

 Pyrgisoma biarcuatum, Bp. Consp. i. p. 486 (1850) ; Scl. Sf Salv. 



Ibis, 1859, p. 18; Scl Cat. Amer. B. p. 120 (1862) ; id. %■ Salv. 



Nomencl. Av. Neotr. p. 33 (1873) ; Salv. Cat. Strickl, Coll. p. 234 



(1882); id. fy Godman, Biol. Centr.-Amer., Aves,i. p. 401 (1886). 

 Embernagi-a biarcuata, Gray, Hand-l B. ii. p. 92, no. 7349 (1870). 



Adult. General colour above brown ; lesser wing-coverts ashy, 

 washed with brown; median and greater coverts dusky brown, 

 washed externally with brown like the back, with paler tips of 

 buffy whitish; bastard-wing dusky brown, with ashy whitish- 

 edges ; primary-coverts dusky brown ; quills dusky brown, ex- 

 ternally lighter brown, somewhat ashy on the primaries, the 

 •secondaries rather more reddish brown externally; upper tail- 

 coverts like the back ; tail-feathers dusky brown, washed externally 

 with lighter brown ; crown of head and nape bright chestnut, the 

 forehead black ; lores, eyebrow, and feathers round eye creamy 

 white, extending behind the latter; ear-coverts deep chestnut, 

 black anteriorly ; feathers below the eye and cheeks creamy white, 

 extending upwards behind the ear-coverts : sides of neck dark ashy ; 

 throat, fore neck, breast, and abdomen creamy white ; sides of body 

 and flanks brown, ashy along the sides of the fore neck and upper 

 breast ; thighs dark ashy, white posteriorly ; under tail-coverts pale 

 tawny buff; under wing-coverts and axillaries white, the latter 

 with dusky bases ; quills below dusky, ashy fulvous along the inner 

 edge. Total length 6-3 inches, culmen 0-55, wing 2-8, tail 2*7, 

 tarsus 1. 



Young. Entirely brown above, the feathers mottled with blackish 

 edges, the head slightly rufescent towards the nape, where the 

 chestnut crown of the adult is indicated; wing-coverts dusky, 

 externally rufescent brown, with paler spots at the ends ; quills 

 externally rufous-brown, especially marked on the secondaries; 

 facial markings as in the adult, but strongly tinged with yellow, as 

 is also the under surface of the body ; the fore neck and breast 

 brown, mottled with blackish edges to the feathers ; bill yellow, 

 blackish near the base of the culmen. 



Hab. Guatemala. 



a. Ad. st. Guatemala. Purchased. 



b. Ad. sk. Guatemala (G. U. Skinner). J. Gould/ Esq. 



