BIRDS OF NORTH AND MIDDLE AMERICA. 529 



Argentine Rep.?). — Allen, Bull. Am. Mus. N. H., iv, 1892, 54 (Carupano, 

 Venezuela); xiii, 1900, 143 (Minca, etc., Santa Marta, Colombia); xxi, 1905, 

 282 (Bonda, Santa Marta; descr. nest and eggs). — Chapman, Bull. Am. Mus. 

 N. H., vi, 1894, 43 (Trinidad; habits; notes).— Phelps, Auk, xiv, 1897, 365 

 (San Antonio, Venezuela). — Holmberg, Secundo Cen. Argentina, 1898, 540. — 

 Bangs, Proc. Biol. Soc. Wash., xii, 1898, 137 (Santa Marta, Colombia). 



[Contopus] brachytarsus Sclater and Salvin, Nom. Av. Neotr., 1873, 52, part. 



Horizopus brachytarsus Ihering, Re . . Mus. Paul., vi, 1904, 326 (Paraguay). 



(?) T[yrannula] bogotensis Bonaparte, Consp. Av., i, 1850, 190 (Coloml)ia; cites 

 "Bp. Pr. Zool. Soc. 1837, p. — sp."). 



Contopus bogotensis (not Tyrannula bogotensis Bonaparte?) Taylor, Ibis, 1864, 

 "87 (Trinidad). 



Myiobius virens (not Muscicapa virens'Linnseiis) Leotaud, Ois. Trinidad, 1866, 226. 



{?)Empidonax andinus Taczanowski, Proc. Zool. Soc. Lond., 1874 (pub. Apr., 

 1875), 539 (Junin, centr. Peru; coll. Warsaw Mus. ); 1879, 235 (Chota, n. Peru, 

 8,000 ft. alt.). 



Blacicus andinus Oberholser, Auk, xvi, Oct., 1899, 336, part (South America, 

 east to Trinidad, south to Peru; crit.). 



[Blacicus] andinus Sharpe, Hand-list, iii, 1901, 143, part. 



Horizopus brachytarsus dejrrcssirostris? (not Contopus deprcssirostris Ridgway ?) 

 Berlepscii and Harteut, Novit. Zool., ix, Apr., 1902, 50 (Altagracia, Vene- 

 zuela; crit.). 



Genus BLACICUS Cabanis. 



Blacicus Cabanis, Journ. fiir Orn., iii, Nov., 1855, 480. (Tyj^e, Muscipcta caribaea 

 D'Orl)igny.) 



Small Tyrannidse (wing, about 65-80 mm.) with bill broad and 

 much depressed, its lateral outlines convex and tip contracted, very 

 strong rictal l)ristles, tail at least eight-ninths as long as wing, tarsus 

 more than one-fifth as long as wing, tenth (outermost) primary not 

 longer than fifth and very plain dull coloration. 



Bill more than half as long as head, broad and excessively depressed 

 basally, its width at frontal antise nearly if not quite equal to length of 

 gonys and more than twice its depth at same point, its lateral outlines 

 decidedl}" convex beyond middle portion, thence obviously concave 

 and rapidly convergent to the attenuated tip of maxilla; exposed 

 culmen equal to or longer than middle toe with claw (except in B. 

 hrunneicajnllus), very distinctly ridged, straight to near tip, where 

 abruptly decurved, the tip of maxilla distinctly uncinate; gonj^s 

 much longer than mandibular rami, slightly convex, at least terminally; 

 maxillary tomium straight or slightly convex in part, distinctly 

 notched subterminally. Nostril at least partly exposed, rather large, 

 longitudinally oval, margined above b}^ narrow membrane. Rictal 

 bristles ver}^ strongly developed, reaching nnich beyond middle 

 (sometimes nearly to tip) of bill; feathers of chin with distinct, 

 recurved bristly points, those of latero-frontal antife with conspicuous 

 arched l)ristly jioints, reaching more than halfway to tip of maxilla. 

 Wing rather long and i)ointed, the longest primaries exceeding 

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