378 BIKDS OF BRITISH GUIAXA. 



Toial length 194 mm., exposed culmen 13, wing 103, tail 85, 

 tarsus 23. 



The specimen described was collected by Mr. McOonnell during 

 his expedition to Mount Roraima in October 1898. 



Breeding-season. Unknown. 



Nest. Unrecorded. 



Egris. Undescribed. 



Range confined to British Guiana. Mount Eoraima (^McConnell 

 collection) ; Merume Mountains, Mount Jtoraima ( Wldtely). 



Habits. Unrecorded. 



Genus PLANESTICUS Bonap. 



Plaiipsticus Bonaparte, Compt. Kend. xxxviii. p. 3, 1854. Type 

 F. jamaiceiisis (Gmel.). 



Fig. 147.— To illustrate the shape of the bill. 



The species on wliich this genus was founded is of medium size. 

 Tiie bill is somewhat short and compressed, and slightly hooked at 

 the tip of the upper mandil>le. The wing is rounded, the third, 

 fourth, fifth, and sixth primaries are longest and subequal, the 

 second is slightly shorter than the seventh, and the first less than 

 one-fourth the length of the second. The tail is .square at the tip 

 and about three-fourths the length of the wing, and the tar-us 

 exceeds by aliout one-fourth the length of the exposed culmen. 

 Coloration : male and female similar. 



Key to the Species. 



A. Crown of head black m contrast to tlie 



back. 



a. Entire back and upper tail-coverts 



slate-grey P. leucoj^s, p. 379 



b. Entire back and upper tail-coverts 



dark bronze-brown P. roraimce, p. 3S0. 



B. Crown of head uniform or similar in 



colour to the back. 



c. Under wing-coverts orange-rufous. 



a. Back ochreous-brown P.frederichi,\>. 381. 



b' . Back olive-grey P. albiventer, p. 382. 



