84 BANGS NEW SANTA MARTA BIRDS I" P ^- E ^' C ; 



Mr. Ridgway, compared very carefully the Santa Marta series 

 with numerous Bogota examples of X. striaticollis in the National 

 Museum. As a result, the Santa Marta bird appeared to us to 

 show even more difference than I remembered. 



The new species differs from X. striaticollis of the Bogota region of Colom- 

 bia and of Ecuador, in being much yellower, less fulvous, below — the throat 

 and superciliary streak maize yellow ; in lacking the stripes on top of head, 

 the feathers being edged with dusky, giving a scaly instead of striped appear- 

 ance ; in having the pileum decidedly more olivaceous. 



Measurements. — Adult male, type: wing, 85.5; tail, 69.5; tarsus, 18.5; 

 exposed culmen, 17. mm. Adult female, topotype, no. 6155 : wing, 78.5 ; tail, 

 67. ; tarsus, 17.; exposed culmen, 16. mm. 



Premnoplex coloratus x sp. nov. 



Margaromis brunnescens Scl., Allen, Bull. Amer. Mus. Nat. Hist., Vol. XIII, 



P- Mi- 

 Type, from San Miguel, Sierra Nevada de Santa Marta, Colombia, 7500 

 feet altitude, $ adult, no. 6149, coll. of E. A. and O. Bangs, collected Jan. 29, 

 1899, by W. W. Brown, Jr. 



On comparing the two specimens of the Santa Marta bird with a 

 large series of P. brunnescens from Chiriqui, I find it to differ very 

 much in color. It is true I have had no Bogota examples for com- 

 parison, but Sclater's original plate and description agree very well 

 with the Chiriqui examples, and if the Bogota and Chiriqui forms 

 are different, they are certainly much more like each other, than 

 is either like the Santa Marta form. 



The new species differs from P. brunnescens in having the ground color of 

 under parts much darker, richer brown — less olivaceous; in the throat being 

 ferruginous, instead of pale ochraceous ; the tear-shaped shaft spots on under 

 parts rather small, much darker, more ferruginous in color, and more sharply 

 contrasted with ground color, the dusky borders of the spots blacker and more 

 conspicuous; under tail coverts with deeper-colored — ferruginous — shaft 

 stripes, which are much more conspicuous and better denned than in P. brun- 

 nescens ; back and rump richer, redder brown, less olivaceous brown. 



Coloratus — embrowned. 



