1874.] mr. p. l. sclater on the genus synallaxis. 23 



48. Synallaxis areq.uip.£. 



Synallaxis orbignii, Scl. et Salv. P. Z. S. 1867, p. 986 (excl. syn.). 



Synallaxis arequipcB, Scl. et Salv. P. Z. S. 1869, p. 417. 



Supra fusca,pileo parum obscuriore, uropygio rufo : alis extus fusco- 

 nigris, tectricibus et secundariis fusco indistincte marginatis : 

 cauda nigra, rectrice una utrinque extima fere omnino et duabus 

 utrinque proximis in pogonio exteriore rufis : subtus lacteo-alba, 

 macula gulari, tectricibus subalaribus, hypochondriis et crisso 

 rufis : rostro obscure corneo, pedibus nigris : long, tota 6*8, 

 alee 2*7, caudce 3, tarsi 1. 



Hab. Peruvia occ. prope Arequipa (Whitely). 



Obs. Sp. gula, sicut in prsecedente, rufa, sed secundariis nigris, 

 neque extus et in dimidio basali intus rufis, distiucta. 



49. Synallaxis modesta. 



Synallaxis modesta, Eyton, Contr. Orn. 1851, p. 159 ; Scl. P.Z.S. 

 1867, p. 324, 1872, p. 544. 

 Synallaxis fiavigularis, Burm. La-Plata Reise, ii. p. 468. 

 Synallaxis sordida, Ph. et Landb. Cat. Av. Chil. p. 13. 

 Supra cineraceo-fusca : superciliis indistincte albidis : alis fusco- 

 nigris fusco limbatis, remigum parte interiore in dimidio basali 

 et subalaribus late fulvis : subtus valde dilutior, pallide ochraceo- 

 cinerea, gulce macula rufescente : cauda nigra, rectricibus externis 

 fulvo externe limbatis : long, tota 6, alec 2'3, caudce 2'5. 

 Hab. Rio Negro of Patagonia {Hudson) ; Mendoza (Burm.) ; 

 Chili (Reed). 



Obs. Sp. a Synallaxi sordida cauda pictura distinguenda. 

 I have compared my specimens of this species with the type in 

 Mr. Eyton's collection. 



Mr. Salvin has a skin, obtained by Burmeister at Mendoza, marked 

 S. fiavigularis, which certainly belongs to this species, not to S. 

 sordida. 



50. Synallaxis htjmilis. 



Synallaxis humilis, Cab. J. f. O. 1873, p. 319. 



Supra fusca : alis caudaque nigricanti-fuscis rufescente extus lim- 

 batis : rectricibus lateralibus in centro pallidioribus et rufescente 

 tinctis : subtus ochracescenti-alba : superciliis longis, capitis 

 lateribus et gutture toto albis fusco striolatis : macula gulari 

 rufa : subalaribus et macula magna ad basin remigum rufis : 

 rostro elongatiore, recto : caudce rectricibus duodecim : long, 

 tota 6, alee 2*8, caudce rectr. med. 2 - 6, ext. 1*8. 



Fcem. mari similis, sed minor. 



Hab. Peruvia occ, Junin (Jelshi). 



Mus. Varsoviano. 



Obs. Similis S. modestce, sed marginibus rectricum rufis caret et 

 rostro fortiore necnon superciliis distincta. 



51. Synallaxis sordida. 



Synallaxis sordida, Less. Rev. Zool. 1839, p. 105 ; Bp. Consp. 



