SCREAMERS. 



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second and third toes are free, the third and fourth are connected at the base by a 

 web. The long and powerful wings have the third quill the longest ; the rounded 

 tail has twelve feathers ; and the contour feathers are soft and on the neck narrow. 

 Both sexes are alike in plumage. The screamers are divided into two genera, of 

 which the first is represented by the horned screamer {Palarriedea cornuta) of 

 Guiana and Amazonia, characterised by the presence of a slender horn-like 

 process, 5 or 6 inches arising from the middle of the head, and curving upwards 



HORNED SCREAMER (1 nat. Size). 



and forwards. Of the two spurs on the wing, the foremost is by far the longer 

 and more powerful. In colour, the soft feathers on the top of the head are whitish 

 grey, with blackish tips ; those of the cheeks, throat, upper neck, wings, and tail 

 are dark brown ; the inner secondaries and greater wing-coverts having a greenish 

 metallic sheen, and the smaller wing-coverts yellowish roots ; while the feathers 

 of the lower neck and upper breast are silver-grey, broadly banded with black, and 

 those of the abdomen pure white. The iris is orange, the beak blackish brown 



