EMPIDOCHANES. — HORIZOPUS. 223 



primary-coverts dark brown with pale edges to some of the 

 feathers ; flight-quills also dark brown with buff margins to 

 the inner webs ; tail dark brown inclining to rufous on the inner 

 webs on the basal portion ; sides of face like the crown of the 

 head ; throat ash-grey becoming slate-grey on the breast and 

 sides of the body ; abdomen whitish ; under tail-coverts, axil- 

 laries, and under wing -coverts fulvous ; under surface of quills 

 brown with buff inner edges ; lower aspect of tail pale brown. 



Total length 137 mm., exposed culmen 16, wing 78, tail 61, 

 tarsus 16. 



The bird described was collected by Mr. McConnell at Mount 

 Roraima in October 1898. 



Breeding-season. Unknown. 



JS'est. Unrecorded. 



Eggs. Undescribed. 



Range confined to Brit'isli Guiana. Mount Roraima (^McConnell 

 collection^ ; Mount Roraima (^Whitelg). 



Habits. Unrecorded. 



Genus HORIZOPUS Oberh. 

 Horizojms Oberholser, Auk, xvi. p. 331, 1899. Type S. virens (Linn.). 



Fig. 91. — Ilorizopus virens. 



This genus has no very strong character by which to distinguish 

 it. It h:is, however, the usual flattened bill, which is sharply 

 hooked at the tip of the upper mandible ; the width at the base is 

 about two-thirds the length of the exposed culmen. The wing 

 is somewhat pointed, the second and third primaries longest, the 

 .first almost equal to the fourth and much longer than the fifth. 

 The tail is square at the tip and more than two-thirds the length 

 of the wing, and the tarsus about equal in length to the exi)o.sod 

 culmen. Coloration : male and female similar. 



