8 MR. P. L. SCLATER ON THE GENUS SYNALLAXIS. [Jail. 6, 



2. SYNALLAXIS FRONTALIS. 



Synallaxis frontalis, Pelz. Sitz. Ak. Wien, xxxiv. p. 117 (1859), 

 et Orn. Bras. p. 35 ; Reinh. Fuglef. Bras. Camp. p. 194. 



Synallaxis ruficapilla, D'Orb. Voy. Ois. p. 246 ; Burm. La- Plata 

 Reise, ii. p. 468; Darw. Zool. Beagle, iii. p. 79 ; Cab. in Schomb. 

 Guian. iii. p. 685. 



Synallaxis azarce, D'Orb. Voy. Ois. p. 246. 



Parulus ruficeps $, Spix, Av. Bras. i. p. 85, t. 86. fig. 2. 



Synallaxis elegans, Sclater, P. Z. S. 1856, pp. 25, 98, and 1859, 

 pp. 141, 191 (nee Lesson); Pelzeln, Sitz. Akad. Wien, xxxiv. p. 21. 



Synallaxis ?, Sclater, P. Z. S. 1858, p. 553. 



Synallaxis elegantior, Sclater, Cat. A. B. p. 151 (1862). 



Synallaxis poliophrys, Cab. J. f. O. 1866, p. 307. 



Fusca : pileo rufo, frontefusca : alis extus et cauda rufis : striga 

 superciliari albescenti-cinerea : subtus cineracea : ventre medio 

 albicante : hypochondriis et crisso fusco lavatis : long, tola 6, 

 alee 2 - 2, cauda 3*2. 



Hab. America tropica a Columbia ad remp. Arg. ; Bogota (Mus. 

 P. L. S.) ; Ecuador (Fraser) ; Western Peru (Jelski) ; Bolivia 

 (D'Orb.); Guiana (Schomb.) ; Brazil, Bahia (Wucherer) ; Goyaz 

 andCujaba(A r a^.); Corrientes, rep. Arg. (D'Orb.); Parana (Burm.). 



Obs. Sp. a prsecedente fronte fusca distinguenda. 



After examining a large number of specimens of this form from 

 different localities, I have come to the conclusion to unite them under 

 v. Pelzeln's appropriate name. My name elegans was first given, 

 founded upon Bogota skins, but changed to elegantior in 1862, on 

 account of there being a Synallaxis elegans of Lesson. In the 

 mean time, however, v. Pelzeln had bestowed the term frontalis upon 

 Bolivian specimens. 



Amongst the skins from the Jardin des Plantes intrusted to me 

 for examination I find one of D'Orbigny's (Valle Grande, 1834), 

 agreeing sufficiently well with the characters assigned to his S. azarce. 

 These are, however, in my opinion hardly sufficient to warrant 

 specific distinction. 



3. Synallaxis mossta. 



Synallaxis mcesta, Sclater, P. Z. S. 1856, p. 26, and 1859, p. 193; 

 Cat. A. B. p. 152. 



Obscure brunneafere unicolor, subtus magis cinerascens : pileo, nisi 

 in fronte, alis extus et cauda rufis : rostro forti, pedibus crassis : 

 long, tota 5 - 5, alee 2*5, caudce 28. 



Hab. Columbia int. et rep. iEquator. 



Obs. A S. frontali, rostro forti, pedibus crassis, cauda brevi et 

 colore corporis obscuro satis diversa. 



4. Synallaxis brunneicatjda. 



Synallaxis ruficapilla, Jelski, MS. 



Synallaxis brunneicaudalis, Sclater, P. Z. S. 1858, pp. 62, 457, 

 and 1859, p. 192 ; Cat. A. B. p. 152. 



