DESCRIPTIONS OF APPARENTLY NEW SOUTH 



AMERICAN BIRDS, WITH NOTES ON 



SOME LITTLE KNOWN SPECIES 



BY CHARLES B. CORY 



Since the publication of my last paper on South American birds,* 

 further study of the collections secured by the members of the Museum's 

 expeditions in South America has brought to light a number of new 

 forms which it seems advisable to describe at the present time, as the 

 detailed report on the results of the expeditions will not be ready for 

 publication for some months. 



Conopophaga lineata cearae subsp. nov. 



Type from Serra Baturite, Ceard, Brazil. Adult male, No. 47264, 

 Field Museum of Natural History. Collected by R. H. Becker, July 18, 



Approaches nearest to C. I. lineata (Wied), but differs in having the 

 crown more rufous brown, the crown being lighter and more rufous 

 brown than the back; lores and a narrow frontal streak black; post- 

 ocular pencil of elongated feathers entirely pure white, without any 

 trace of grayish at the base; throat and breast orange brown, brighter 

 than in lineata; middle of belly pure white ; flanks and under tail coverts 

 approaching raw sienna. 



Wing, 70; tarsus, 22 mm. (tail imperfect in type specimen). 



Thamnophilus doliatus dearborni Cory. 



More specimens have been received of this apparently well marked 

 subspecies. Compared with specimens from Merida (which I assume 

 to represent typical T. d. nigrescens Lawr.), T. d. dearborni (from 

 Encontrados, Zulia, Venez.) may be readily distinguished by the more 

 heavily banded abdomen and flanks, heavier marked throat, etc. The 

 female is also darker in coloration. 



Dysitharnnus mentalis leucobronchialis subsp. nov. 



Type from near Lagoa Santa, Minas Geraes, Brazil. Male (not 

 fully adult), No. 49118, Field Museum of Natural History. Collected 

 by R. H. Becker, January 24, 1914. 



* Field Mus. Nat. Hist. Pub., Ornith. Series, Vol. I, No. 9, Aug. 7, 1915. 



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