134 BII{1)S iiF BRITISH (iUIAXA. 



At the time when Bi-abounie and Chubb published their ' List of 

 the Binls of Sontli America' there were eighty-eiglit genera and 

 four hunih-ed and eighty-four species. Thirty-eight of the genera 

 and sixty-nine of the species are represented in British Guiana. 



Genus MECOCERCULUS Sclater. 



Mecocercuhis Sclater, P. Z. S. 1802, p. 113. Type M. selopltagoides 

 (Bu nap.). 



Fig. o4. — Mecocerculus setop]ui(joiilcs. 



The species of which this genus consists are small birds with 

 flattened bills. The length of the exposed culnien exceeds the 

 width at the base by about one-third only. The wing is rounded, 

 the second, third, fourth, and fifth primaries longest and subequal, 

 the first about equal iu length to that of the eighth. The tail is 

 square at the tip and about half the length of the wing. 

 The tarsus is rather long, being slightly more than double the 

 length of the exposed culmen. Hind toe and claw about equal in 

 length to that of the outer toe and claw. Coloi-ation : male and 

 female simihir. 



436. Mecocerculus setophagoides. 

 Bonaparte's (_'hat-Tykant. 



Ti/rannula set opli agonies Bonap. Atti Sesta Kiun. Sci. Ital. Milan, 



p. 40o, 1845 (Santa Fe di Bogota). 

 Ocliihaeca selophagoides Salvin, Ibis, ISHo. p. 291 (Koraima. oOOO to 



(3000 ft.). 

 MrcoceicKhis le^tcophrys (nee d'Orb.) Sclater, Cat. B. Brit. Mus. xiv. 



p. 27 part, 188S (Roraima). 

 Mecocerculus setophagoides Brabourne Si Chubb, B. S. Amer. i. p. 2G3, 



no. 2(378, 191 2. 



Adult. General colour above earth-brown, the upper wing- 

 coyerts broadly edged with fulyous ; bastard-wang, primary- 

 coverts, priuiary and secondary quills dark brown with fulvous 

 edgings to the innermost secondaries ; tail somewhat jjaler than 

 the quilLs, .slightly edged on the outer webs with olive-brown; lores. 



