546 BIRDS OF BRITISH GUIANA. 



abdomen, under tail-coverts, axillaries, and under wing-coverts ; 

 bastard-wing- and greater upper wing-coverts black with more or 

 less white at the ti()S ; primary-coverts and flight-quills black, 

 some of the secondaries margined with white ; tail blacdv with 

 white tips to the feathers which increases in extent on the outer 

 ones ; under surface of flight-quills blackish ; lower aspect of 

 tail similar to its upper surface. " Bill black ; legs, toes, and 

 claws black ; eye yellow " [H. Whitely). 



Total length 235 mm., exposed culnien 15, wing 108, tail 116, 

 tarsus 2>^. 



The specimen described was collected on the Mazaruni Itiver 

 in 1905. 



Adult female. Similar to the adult male, both in colour and 

 measurements. 



Breeding-seawn. Unknown in British Guiana. 



Isest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Haiige in Britislt Guiana. Mazaruni River, Ituribisi Iviver 

 (^McConnell collection) ; Bartica ( Wldtelij). 



E.vtralimital Range. Surinam (^Penard), Venezuela. 



Habits. Schomburgk states (Reis. Guian. iii. p. 6G7) that he met 

 with this bird in small flocks, usually in thin woods and in the fields 

 cultivated by the Indians. He did not observe it on the open 

 coast, but it was somewhat common near the Pomeroon, Bariu)a, 

 Barama, and Aruka rivers. He always found it on medium 

 sized trees, and never once saw it on the ground. Its nidification 

 was unknown to him. The " Warraus" called it Quahorian and 

 the " Arawaaks^' Ihibim. 



Genus SCHISTOCHLAMYS Reichenb. 



Scldstochlamys Reichenbach, Av. Syst. Nat. Tab. Ixxvii., 1850. Type 

 >S^. caj)istratus (Wied.). 



Fig. 199. — Schist ocldamys atra. 



The species on which this genus was founded may be easily 

 distingui.^hed by the black and grey coloration. The bill is short 



