124 BIRDS OF BRITISH GUIANA. 



under wing-coverts cinnamon-rufous; quills below pale rufous 

 with dark tips to the outer primaries ; under surface of tail 

 uniform lufous. 



Total length 243 mm., exposed culmen 38, wing 107, tail 96, 

 tarsus 23. 



The bird described was collected on the Eonasika River, 1911. 



Breeding-season . Unknown . 



Nest. Unrecorded. 



Eggs. Undescribed. 



Ratige confined to British Guiana. Upper Takutu Mountains, 

 Bartica, Bonasika River, Grreat Falls Uemerara River, Arawai 

 River [Me Coanell collection) ; Bartica ( B7it<(?/^). 



Habits. Unrecorded. 



Genus DENDROPLEX Swains. 



Dendroplex Swainson, Zool. Journ. iii. p. 354, 1827. Tvpe D. picus 

 (Gmel.). 



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

 The bill is compressed, the gonys is long and slightly ui)turned, 

 both mandibles about equal in length. The wings are somewhat 

 ])ointed, the third and fourth primaries longest, the second shorter 

 than the fifth but longer than the sixth, and the first about three 

 fourths the length of the second. The tail is stiffened, propor- 

 tionately long, and rounded, the four middle feathers, which are 

 longest, have the shafts naked at the tips and decurved. The 

 tarsus is about equal in length to the middle toe and claw, and 

 the toes have very sharply curved claws. Coloration: male and 

 female scarcely distinguishable. 



430. Dendroplex picus. 



PiCINE AVOOD-HEWER. 



Orwius picvs Gmcl. Syst. Nat. i. p. 384, 1788 (Guiana). 



Dendroplex picus Cab. in Schomb. Keis. Guian. iii. p. 690, 1848 ; Salvin, 



Ibis, 1885, p. 422 ; Sclater, Cat. B. Brit. Mus. xv. p. 138, 1890 ; 



Brabourne & Chubb, B. S. Amer. i. p. 252, no. 2559, 1912. 



Adult. Upper back and upper w^ing-coverts rust-brown, be- 

 coming chestnut-rufous on the lower back, rump, and upper 

 tail-coverts, primary and secondary quills, and outer tail-feathers, 

 the middle ones darker and contrasting with the lower back; 

 outer secondary and primary quills brown at the tips, the brown 



