578 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Vol.Y. 



1859. SCLATER, P. L. On two new species of American Ant-Thrushes. <^ Ann. Mag. 



Nat. Hist, 3d ser., iv, 1859, p. 239. 

 From P. Z. S., May It, 1858, pp. 274, 275— extracted from his fall paper there, pp. 272-289, q. v. 



1860. Lawrence, G. N. Descriptions of New Species of Birds of the Genera Myiar- 



chus and Phlogopsis. <^ Ann. Lye. Nat. Hist. Neiv York, vii, 1860, pp. 284-286. 

 M. panamensis, p. 284 ; Ph. McLeannani, p. 285. 



1865. Lawrence, G. N. Descriptions of New Species of Birds of the Families Tana- 



gridse, Dendrocolaptidae, Formicaridae, Tyrannidie, and Trochilidae. < Ann. 

 Lye. Nat. Hist. New Yoi-k, viii, 1865, pp. 126-135. 



The Formicarians here described are Dysifhamnus striaticeps, p. 130; D. rufiventris, p. 131; 

 Myrmotherula alhigula, p. 131 ; Myrnneciza stictoptera, p. 132. 



1866. Lawrence, G. N. Descriptions of Six New Species of Birds of the Families 



Hirundioida;, Formicaridae, Tyrannidse, and Trochilidae. <[ Ann. Lye. Nat. 

 Hist. New York, viii, 1866, pp. 400-405. 

 The Formicarian is Thamnophilus leucopygus, p. 401, Panama. 



1868. SCLATER, P. L. Descriptions of some New or little-known Species of Formi- 



carians. <^ P. Z. S., xxxvi, 1868, pj). 571-575, pi. xliii, woodc. 



Thamnophilus nignceps, Neoetantes (n. g.) niger, p. 571, woodc. ; Hypoenemis kypoxantha 

 (pi. xliii), Heterocnemis simplex, p. 573 ; Conopophaga gutturalis, p. 574, spp. nn., with list of 37 

 spp. of the family. In the author's collection 178 species of the family were represented by 

 381 specimens. 



1869. SCLATER, P. L., and Salvin, O. Descriptions of Six New Species of American 



Birds of the Families Tanagridae, Dendrocolaptidae, Formicariidae, Tyran- 

 nidae, and Scolopacidte. <iP. Z. S., xxxvii, 1869, pp. 416-420. 



The Formicarians are Qymnodchla chiroleuca, p. 417, and Grallaria princeps, p. 418 ; with 

 a list of six spp. of the latter genus. 



1872. Cabanis, J. [Die ThamnophUen-Gattuug Diallectes, nebst 2 neuen Arten (D. 

 semifasciatus, D. granadensis).] <^J.f. 0., xx, 1872, pp. 233, 234. 



1874. Pelzeln, A. v. [Letter relating to " Pithys mfigula Bodd" (cf. Ibis, 1873, 113) ; 

 = Ph8eornis obscura (Gm.).] <^ Ibis, 3d ser., iv, Oct., 1874, pp. 461, 462. 



1877. SCLATER, P. L. Description of two new Ant-birds of the Genus Grallaria, with 

 a List of the known Species of the Genus. <:^ Ibis, 4th ser., i, Oct., 1877, pp. 

 437-451, pll. viii, ix. 



Many important additions to the group as given by him in P. Z. S., 1858, pp. 202, 232, 272; 

 see also P. Z. S., 1868, p. 571. In 1842, Lafresnaye had given 9 spp. : in 1873, in the Nomen- 

 elator Av. Neotrop., the author and Salvin gave 20. Here are 27 spp. ; among them Q. haplo- 

 nota, p. 442, Venezuela, and O. flavotineta, p. 445, pi. ix, Antioquia, spp. nn. Q. rvfieept 

 figured on pi. viii. These are all treated with synonymy, diagnosis, habitat, and comment : 

 they are divided into 4 sections — Orallarice squamigerce, reges, uniformes, flammulaUB. The 

 genus is made to cover the following names : Myioturdus and Myiotrichus Boie, Calobathrit 

 and Codonistm Gloger, (Handb. u. HUfsb. d. iVa(., 1842, pp. 304 and 303), and fi^j/psidemon Cab. 



