172 Proceedings of the Biological Society of Washington* 



Thamnophilus doliatus heteroleucus subsp. nov. 



Similar to Thamnophilus doliatus fraterculus Berlepsch and Hartert, 

 but general coloration much whiter, the white bands being broader 

 above, and white predominating below; white spots on the tail also very 

 large and prominent. 



Type, No. 36,625, Collection Carnegie Museum, adult male; Tocuyo, 

 Venezuela, .January 24, 1911; M. A. Carriker, Jr. 



Ramphocsenus melanurus pallidus subsp. nov. 



Similar to Ramphocsenus melanurus trinitatis Lesson, but much paler, 

 nearly white, beneath, the sides and Hanks very slightly shaded with 

 bully; upper parts less rufescent. 



Type, No. 36,255, Collection Carnegie Museum, adult male; El Hacha, 

 Bolivar R. R., Venezuela, November 30, 1910; M. A. Carriker, Jr. 



Hypocnemis flavescens humilis subsp. nov. 



Similar to Hypocnemis flavescens flavescens Sclater, but size smaller; 

 outer margins of primaries and ground-color of hack brighter gray ; rump, 

 tail, and inner remiges less rufescent ; and breast less distinctly squamate. 



Type, No. 32,108, Collection Carnegie Museum, adult male ; La Lajita, 

 RioCaura, Venezuela, October 28, KH)!); M. A. Carriker, Jr. 



Myrmeciza zeledoni affinis subsp. nov. 



The adult female differs from that of Myrmeciza zeledoni zeledoni Ridg- 

 way in being much paler and duller in general coloration. 



Type, No. 36,804, Collection Carnegie Museum, adult female; Guarico, 

 Estado Lara, Venezuela, February 6, 1911 ; M. A. Carriker, Jr. 



Myrmeciza schistacea sp. nov. 



Male almost uniform slaty above and below; wings and tail browner; 

 wing-coverts black, tipped with white spots. Female mummy brown 

 above, the head more dusky; below bright rufous brown, and the wing- 

 coverts tipped with spots of the same color. 



Type, No. 33,324, Collection Carnegie Museum, adult male; Fl Llagual, 

 ('aura District, Venezuela, January 13, 1910; M. A. Carriker, Jr. 



Hylophylax consobrina sp. nov. 



With a general resemblance to Hylophylax nsevia (Gmelin), but breast 

 not so densely streaked with black; back and tail tawny brown, the 

 former with large butty spots ; feet pale. 



Type, No. 32,380, Collection Carnegie Museum, adult male; RioMocho, 

 Rio Caura, Venezuela, November 29, l!)0i); M. A. Carriker, Jr. 



Sclateria nasvia diaphora subsp. nov. 



Similar to Sclateria nsevia nsevia (Gmelin), but darker below, the 

 streaking reduced in extent; white spots on the wing-coverts smaller. 



Type, No. 32,421, Collection Carnegie Museum, adult male; Rio Mocho, 

 RioCaura, Venezuela, December 2, 1909; M. A. Carriker, Jr. 



