584 



BIRDS OP BRITISH G0IANA. 



Total length 19B mm., exposed culmen 17, wing 93, tail 90, 

 tar.5iis24, middle toe and claw 22. 



The specimen from which the description is taken has no exact 

 locality. 



Breeding-season. Unknown. 



Nest. Unrecorded. 



Eggs. Undescribed. 



■Range- confined to British Guiana. The two specimens that are 

 in the McConnell collection have no exact localities. 



Habits. Unrecorded. 



Genns HOLOQUISCALUS Cass. 



Holoquiscalus Cassin, Proc. Acad. Nat. Sc. Philad. 1866, p. 404. Type 

 S. crassirostris (Swains.). 



Fig. 213. — Soloquiscalus lugubris. 



In this genus the bill is compressed, pointed, and slightly 

 arclied at the tip; its width at the base is less than its depth, the 

 latter being equal to about one-third the length of the exposed 

 culmen. The wing is rounded, the second, third, fourth, and fifth 

 primaries longest and subequal, and the first about equal in length 

 to the sixth. The tail is rounded at the tip, the middle feathers 

 about one-fourth longer than the outermost one on each side. 

 Coloration : male and female similar. 



714. Holoquiscalus lugubris. 



SwainSon's Grackle. 



Quiscalus lugubris Swains. Anim. in Menag. p. 299, 1837 (British 

 Guiana); Sclater, Cat. B. Brit. Mus. xi. p. 402, 1886 (George- 

 town) ; Quelcli, Timehri (2) v. p. 87, 1891 ^Georgetown). 



Chaloophanes jamaicensis ( cj ) Cab. in Schomb. Reis. Guiau. iii. p. 683, 



1848. 



