1S49.] 3]7 



Dane>isio>is.-Tota\ length of skin, from the tip of bill to end of tail about 2 

 feet 5 inches, of the wing 9 inches, of the tail to end of external feathers, about 

 22 inches; length of two middle tail feathers about 3 inches. 



Colors.— Upper surface of the head, body and wing coverts brownish black- 

 spotted and sparingly lined with pale fulvous. The wing coverts with round 

 spots at their points of the same color. 



Superciliary region grayish white, every feather having narrow irre-ular lines 

 of black. Hind neck with a semicollar of bright reddish fulvous. Under the 

 eye an irregular whitish stripe. 



Scapular feathers with their external webs black with a few curved lines of 

 fulvous remote from the tip, ^^hich is broadly man:ined with black, internal 

 webs of scapulars nearly white irregularly striped and spotted with black; other 

 scapulars nearly black, with pale fulvous margins externally. 



Throat before with a white collar. Chin, breast and belly irregularly mixed 

 with brownish black and pale yellowish white, the latter color assumin-^ upon 

 the breast the form of semicircular segments and lunular spots upon the lips of 

 the feathers and the former (blackish) disposed to form very irregular narrow 

 bands upon the Hanks and belly ; ventral region and under tail coverts paler 



Quills brownish black, having upon their internal webs four or five narrow 

 transverse Imes of pale yellowish white, conspicuous when viewed from below 

 and upon their external webs (except the first) several rounded or irre<^ular 

 shaped spots of the same colour. Second and third quills where sinuated upon 

 their outer webs, with a very slight margin of white. Secondaries obscurely 

 tipped with whitish. •' 



First, second, and third tail feathers thron-jhout their whole len-th with their 

 outer webs and about two-thirds of their inner webs brownish bIadc,-other por- 

 tion of the inner webs, b „ g the internal margin of those feathers, white ; a few 

 bright fulvous spots near the base upon the outer webs. Fourth and fifth tail 

 feathers with similar colors, but more broadly bordered with white, which upon 

 those, as well as the third, is sparingly spotted with brownish. 



Young 9 . ? Form. Tail deeply emarginate, but not excessively Ion- ex- 

 ternal feathers exceeding the next by about 1^ inches only. 



_ ^/.,...«„.v..-Total length of skin, from tip of bill to end of tail abou^ lo 

 inches, wing S inches, tail to end of external feathers 7i inches ; length of middk 

 tail feathers about 3* inches 



Co/.r..-Entire upper surface, tail included, brownish black, with numerous 

 rounded spots and lines of reddish fulvous, assuming upon the tail the form of irre- 

 gularor curved bands, which are more or less mottled and mixed with the brown- 

 ish black of the other predominating portion. Throat with a semicollar of yel- 

 lowish white. Entire under parts, brownish-black, banded and spotted with 

 lulvous. 



Hab. — South America. 



Ois.-Thls very remarkable species may readily be distinguished by its very 

 long forked tail, the feathers of which are irregularly graduated. I„ the latter 



b'^M-m '' ''''^'7, ^'°'" '^" ""''■ """'"""' ^'^'^'^"^•) '' ^l^i-h however it bears 

 out little resemblance. 



There are in the collection of the Academy three specimens of this species 

 wo males - the Rivoli collection, and a female which was fortunately pro red 

 in Pans by Mr. Edward Wilson. ^ ' rocurea 



