BIRDS OF NORTH AND MIDDLE AMERICA. 125 



pt.x, Oct., 1877, 439-442, pi. 79.— Boucard, Proc. Zool. Soc. Lond., 1878, 53 

 (Navarro and Kancho Eedondo, Costa Eica, alt. 4,000 ft.). — Salvin and 

 GoDMAN, Biol. Centr.-Am., Aves, i, 1883, 221, pi. 14. — Sharpe, Oat. Birds 

 Brit. Mus., X, 1885, 219 (Irazii distr., Costa Eica). — Zeledon, Anal. Mus. 

 Nac. Costa Eica, i, 1887, 108 (La Palmade San Jos6 and Eancho Eedondo de 

 San 3o3&, Costa Eica). — Alpaeo, Gaceta Of., no. 288, 1888 (Volcan de 

 Po&, Costa Eica). — Bangs, Proc. New Engl. Zool. Club, ill, 1902, 5S (Boquete 

 and Volcan de Chiriqui, Chiriqui, 4,000-11,000 ft). 



Family DULID^. 



THE FALU CHATS. 



Rather small arboreal ten-primaried acutiplantar Oscines with the 

 bill deep and compressed, the culmen strongly curved; nostrils wholly 

 exposed, circular, in anterior end of distinct nasal fossae; tail decidedly 

 shorter than wing, even; outermost (tenth) primary much less than 

 half as long as the next (ninth); under parts conspicuously streaked; 

 plumage rather hard and harsh, very different from the silky blended 

 character of that of the Ampelidse and Ptilogonatidse. 



The Palm Chats are a small group, consisting of only two known 

 species, one of them peculiar to Haiti, the other of unknown habitat 

 but presumably some part of the "West Indies. They are allied to the 

 Silky Flycatchers (family Ptilogonatidse), from which they differ, 

 however, in much stronger beak and feet (the latter with strongly 

 curved claws), shorter tail, and harsher, firmer plumage, with the 

 under parts conspicuously streaked. 



They are said to frequent chiefly the cocoanut palms and to feed 

 both on fruits and insects. 



Genus DULUS Vieillot. 



DuIusYibiJjLOT, Analyse, 1816, 42. (Type, "Tanagra esclave" Buflon, = Tanagra 

 dominica Linnseus.) (See Strickland, Jardine's Contr. Orn., 1851, 103, 104.) 



Bill decidedly shorter than head (exposed culmen not longer than 

 inner toe), relatively deep and compressed, its depth at nostrils equal 

 to more than half the length of exposed culmen; culmen decidedly 

 curved from the base, but tip of maxilla not distinct, its subterminal 

 tomial notch obvious but minute; maxillary tomium faintly concave, 

 the basal portion straight or very faintly convex; gonys nearly equal 

 to distance from nostril to tip of maxilla, straight and ascending ter- 

 minally but rather prominent and slightly convex basally. Nostril 

 roundish or transversely ovate, entirely exposed, in anterior end of 

 nasal fossse, separated behind from feathering of frontal anti^ by 

 naked membrane. Rictal bristles obvious but minute. Wing rather 

 long, rounded; eighth, seventh, and sixth primaries longest, the fifth 

 shorter than eighth; ninth shorter than fourth; tenth between one- 

 third and one-half as long as ninth; wing-tip about equal in length to 



