1874.] MR. P. L. SCLATER ON THE GENUS SYNALLAXIS. 1 1 



darker and more uniform below, but hardly more so than in two 

 Bogota skins in Salvin and Godman's collection. 



Sect. c. Species pileo fusco ; alis extus et cauda rufis. 

 10. Synallaxis guianensis. 



Rouge-queue de Cayenne, Buff. PI. Enl. 686. fig. 2. 



Motacilla guianensis, Gm. S. N. i. p. 988. 



Synallaxis guianensis, Cab. et Hein. Mus. Hein. ii. p. 27. 



Sphenura cinnamomea, Licht. Doubl. p. 42. 



Synallaxis inornata, Pelzeln, Sitz. Akad. Wien, xx. p. 161, & 

 xxxiv. p. 120 ; Orn. Br. p. 36 ; Sclater, P. Z. S. 1859, p. 194. 



Supra fusca : alis extus et cauda rufis : subtus valde dilutior, gutture 

 et ventre medio albescentibus : long, tola 6, alee 2S, caudce 3. 



Hab. Guiana, Amazonia inferior et Columbia interior: Cayenne 

 {Buff.); Surinam (C. Bartlett) ; Para (Layard); Borba and Rio 

 Negro (Natt.) ; Bogota (Mus. P. L. S.). 



There can, I think, be little doubt that this bird is the " Rouge- 

 queue de Cayenne" of Buffon, and therefore the true type of 

 Temminck's genus Anabates, as has been shown by Cabanis and 

 Heine. I have examined the specimens in the Berlin Museum (from 

 Para and Cayenne) marked Sylvia (serius Sphenura) cinnamomea. 

 I have also a typical example of Pelzeln's Synallaxis inornata, 

 which I think cannot be distinguished from other skins from Para, 

 Cayenne, and Bogota. 



11. Synallaxis albilora. 



Synallaxis albilora, Pelzeln, Sitz. Akad. Wien, xx. p. 16, & 

 xxxiv. p. 120 ; Orn. Br. p. 37 ; Sclater, P. Z. S. 1859, p. 193. 

 Synallaxis modesta, Natt. MS. 



Supra fusca : alis extus et cauda rufis : subtus cinnamomea ventre 

 dilutiore, gutture et loris albescentibus : long, tota 6, alee 2'4, 

 caudce 3. 



Hab. in Brasil. int. prov. Cuyaba et Matogrosso (Natt.); Bolivia 

 (Bridges). 



This species, of which I have a typical example received from 

 Vienna, is very closely allied to S. guianensis. The white lores are 

 not a sufficient distinction, as they are quite as white in some speci- 

 mens of the latter. ' But the body below is cinnamomeous in the 

 present bird, and it is possible that the two species may be really 

 distinct. A Bolivian skin (collected by Bridges) in the British Mu- 

 seum appears to be referable to this species. 



12. Synallaxis cinerascens. 



Synallaxis cinerascens, Temm. PI. Col. 227. fig. 3 ; Pelzeln, Orn. 

 Bras. p. 36. 



Supra murino-fusca unicolor : alis extus et cauda (luridiore) rufis : 

 subtus cinerea, lateribus et crisso fuscescentibus ; gulce plumis ad 

 basin nigris, ad apicem albescentibus: long, tota 5' 1, alee 2'1, 

 caudce 2-6. 



