LFA'COLEriS. 



305 



Genus LEUCOLEPIS Keielienb. 



Leucolepis Keielienb. Avium Syst. Nat. pi. Ivii. March ISoO. Type 

 L. miisica (liodd.). 



Fig. 141. — To show the pecuHar formation of the bill. 



This genus is distinguished by the comprei^sed bill and sliarply 

 ridged cubnen ; the height at the nostrils slightly exceeds the 

 width. The wing is rounded, the fourth, fifth, and sixth primaries 

 longest and about equal, the third about equal to the seventh, the 

 second about equal to the ninth, and the exposed first primary 

 about equal in length to the tarsus. The tail is rounded at the 

 tip and about halt' the length of the wing. The tarsus is about 

 one-fourth longer than the exposed culmen. Coloration : mule 

 and female similar. 



573. Leucolepis arada. 



Musical When. 



Myrmornis arada Herm. Tab. Attin. Anim. p. 211, note 17R8. 

 Fonnicarius musicus Uodd. Tabl. PL Enl. p. 4:4, 17^3 (Cayenne). 

 Cyphoriiinus canians Cab. in Schomb. Keis. Guian. iii. p. G73, 1SA8 



(Upper Pomeroon and Wenamu Rivers). 

 Ci/phorhinus musicus Sharpe, Cat. 13. Brit. Mus. vi. ]). 290, ISSl 



(British Guiana); Salvin, Ibis, 188o, p. 200 (Merunie Mts., 



Caniacusa, Atapurau Jliver) ; W. L. Sclater, Ibis, 1887, p. 318 



(^laceasseema, Pomeroon River). 

 Lcucoh'jfia inusica Beebe, Our Seareh for a Wilderness, pp. ISS, 3U'.), 



310, 321. 330, li)lO(Hoorie Creek, Aruuu River); Brabourne ct 



Chul)l), B. S. Anier. i. p. 339, no. 31G2, 1912; Jieebe, Trop. Wild 



Life in British (iuiana, p. 233, 1917. 

 Leucolepis araJd Stresem. Nov. Zool. xxvii. ]». 320, 1920. 



" Necklaced Jungle AVren " or " Quadrille-bird '" {JJeebe). 



Adult viule. General colour of the upper surface rust-l)i()\vn 

 including the back, wings, and tail, the wing.s and tail barred with 

 black; a i)lack collar on the hind-neck, with ovate white s[)ots to 

 tho t'eathors, which are more prol'uso on the sides of the neck ; 



