ERASER'S ERATOR 



9, 1926. In his List of the Birds of Costa Rica 

 Carriker says, "Its native name of Tajaro 

 chancho ' is given on account of the resemblance 

 of the note of the birds to the grunting of a pig." 



2. Erator albitorques fraseri (Kaup) 

 Fraser's Erator 



Erator albitorques RIDGWAY, Birds of N. and M. Amer., 

 IV, p. 863, 1907; STONE, Proc. Phila. Acad. Nat. Sci., 1918, 

 p. 269. 



Male. Length 182 mm. (7.15 in.) ; tail 64 mm. 

 (2.55 in.). Forehead, crown and region in 

 front of eye black, rest of head including cheeks 

 and nape white, the remainder of the upper 

 parts pearl gray; terminal half of tail abruptly 

 black; wings gray and black; under parts pure 

 white passing to pale gray on breast and sides. 

 Bill black, bluish gray below. 



Female. Length about that of male. A 

 frontal patch of white to pale chestnut ; rest of top 

 of head black shading into grayish brown, finely 

 spotted with black on nape and hindneck, the 

 sides of head chestnut brown; the remainder of 

 upper parts grayish brown ; tail brownish and dull 

 black; wings gray and black; under parts white 

 passing to brownish gray on chest and sides. 

 Bill same as in male. 



This species differs from the preceding, Tityra 

 semifasciata costaricensis, in lacking the bare red 

 skin arcund the eyes and the red on the bill. In 

 340 



