118 BirJgvcn/ — New Forms of Oligomyodian Birds. 



More closely resembling P. p. eorucina* in coloration, but the l)l;ick de- 

 cidedly less bluish and size much less. 



Scotothorus olivaceus sjx nov. 



Tijpf, No. 75,520, Am. Mas. N. II., adult female, Rio Mato, Venezuela, 

 Jan. 25, 1901; S. M. Klages. 



Most nearly resembling S. rosenbergi (Hartert) of northern Ecuador, but 



much lighter in color throughout (above clear olive, the wings and tail 



sepia brown, beneath light olive, tinged with pale yellow, the throat tinged 



with bufl"), and with wing, tail, and taisus decidedly longer (wing 88, tail 



62, tarsus 22 mm.). 



Venezuela. 



Scotothorus furvus sp. nov. 



Ti/pe, No. 62,070, U. S. Nat. Mus., adult male, Boquete de Chitra, Ver- 

 agua, Panama, 1869; E. Arce. 



Most like S. rosenbergi, but much darker and more uniform in color 

 (decidedly the darkest member of the genus), the upper parts dark olive- 

 brown or bister, under parts nearly uniform deej) olive (more grayish on 

 under tail-coverts), bill much larger and tail much longer; also somewhat 

 resembling S. irallacii Sclater and Salvin, but very much darker tlirough- 

 out (es})ecially on lower parts), bill much larger, and tail relatively longer 

 (wing 89.5, tail 66.5, exposed culmen 16 mm.). 



Pacific slope of western Panama. 



Attila tephrocephala sp. nov. 



Ti/pr, No. 04,624, \J. S. Nat. Mus., adult female, Talamanca, Costa Rica ; 

 Jos6 C. Zeledon. (Collector's No. 4'42.) 



Somewhat like the grayer or more olivaceous examples of ^1. cltrenpyga 

 cilreopyga but pileum brownish slate-gray or mouse gray, lower throat, 

 chest and sides of breast uniform light mouse gray or olive-gray, throat 

 with fewer and less distinct dusky streaks, and larger wing-coverts much 

 less distinctly tipped with brown. 



Southeastern Costa Rica (Talamanca). 



Attiia citropyga salvini subsp. nov. 



Ttipr, No. 177,.%8, U. S. Nat. IMus., adult male, Pasa Nueva, Vera Cruz, 

 Mexico, March 23, 1901 ; A. E. Colburn. 



Similar to A. c. cilreopyga, of Nicaragua, Costa Rica, and Panama, but de- 

 cidedly browner above (the pileum and hindneck never olivaceous), rum]) 

 and upper tail-coverts ochraceous instead of light chrome, naples, or maize 

 yellow, tail more cinnamomeous or tawny, and size averaging decidedly 

 larger. 



Southeastern Mexico to Honduras. 



This is the form usually known by the name AUila ciircofiygin (Bona- 

 parte) ; but the type of the latter came from Nicaragua, and therefore be- 



* Piina coracina Sclater, Proc. Zool. Soc. Lond., 1856, 29 (Bogotd, Colombia). P [ipra] 

 leucocilla coracina Borlepscli and Ilarteit, Novit. Zool., ix, April, 1902, .'J3, in icxl.—Pipra 

 leucocitla coracina Ilelhnayr, Ibis, l'JC(), 26 (monogr.). 



