VoI 'i9i9 XVI ] Cory, New South American Birds. 275 



Remarks. — This new form is apparently not very closely allied 

 to any known species. It somewhat resembles S. stictothorax from 

 Ecuador and extreme northwestern Peru in size and in having 

 the sides of the neck, and breast, streaked with blackish, but it is 

 otherwise very different. 



Synallaxis semicinerea pallidiceps subsp. nov. 



Type from Serra Baturite, Ceara, N. E. Brazil. Adult male, No. 45827, 

 Field Museum of Natural History. Collected by R. H. Becker, July 16, 

 1913. 



Characters. — Similar to S. s. semicinerea (Reichenbach) from Bahia, 

 but differs in having the general plumage decidedly paler; crown between 

 drab gray and light drab becoming olive drab on the nape; back cinnamon 

 rufous; wings and tail cinnamon rufous, but somewhat more distinctly 

 rufous and slightly less cinnamon than the back; under parts like S. s. 

 semicinerea, but more tinged with isabella color; flanks and under tail 

 coverts more tinged with olive buff. 



Measurements. — Wing, 67; tail, 77; culmen, 14 mm. 



Synallaxis scutata neglecta subsp. nov. 



Type from Jua, near Iguatu, Ceara, Brazil. Adult female, No. 50562, 

 Field Museum of Natural History. Collected by R. H. Becker, August 

 28, 1913. 



Characters. — Similar to S. s. scutata Sclater from Bahia, Goyaz and 

 Matto Grosso (Chapada), but differs in having the rufous coloration very 

 much paler (cinnamon rufous, not chestnut rufous as in scutata scutata); 

 crown brownish gray, superciliary stripe behind whitish (not tawny buff) ; 

 sides of throat, bordering the black patch, buffy white (not rufous buff); 

 under parts much more whitish; wings and tail near cinnamon rufous. 



Measurements. — Wing, 54; tail, 68; bill, 13 mm. 



Pseudocolaptes boissoneautii oberholseri subsp. nov. 



Type from Quito, Ecuador. Adult male, No. 30945, United States 

 National Museum, Washington, D. C. Collected by C. R. Buckalew. 



Characters. — Similar to P. b. boissoneautii (Lafresnaye) from Bogota, 

 but differs in having the throat and ear tufts quite white and the "scale" 

 marking on the breast larger and more pronounced; belly and flanks more 

 olive rusty; tail darker and more brownish chestnut rufous. 



Measurements. — Wing, 107; tail, 99; bill, 20 mm. 



Remarks. — An immature specimen from Nanegal, Ecuador, in 

 the collection of the Museum of Comparative Zoology has the 



