77 
from British Guiana. 
-f 506. Gampsonyx swainsoni. 
Gamps onyx swainsoni, Vig., Cab. in Scbomb. Guiana, iii. 
p. 735; Sharpe, Cat. B. Brit. Mus. i. p. 340. 
Merume Mountains. 
-4-507. IcTINIA PLUMBEA. 
Ictinia plumbea (Gm.), Cab. in Schomb. Guiana, iii. p. 735 ; 
Sharpe, Cat. B. Brit. Mus. i. p. 364. 
Bartica Grove. 
508*. Rostrhamus sociabilis. 
Rostrhamus sociabilis (Yieill.), Sharpe, Cat. B. Brit. Mus. 
i. p. 327. 
Rostrhamus hamatus (Ill.), Cab. in Schomb. Guiana, iii. 
p. 736. 
I 509. Leptodon cayennensis. 
Odontriorchis cayennensis (Gm.), Cab. in Schomb. Guiana, 
iii. p. 736. 
Leptodon cayennensis, Sharpe, Cat. B. Brit. Mus. i. p. 333. 
Roraima. 
. I 510. Leptodon uncinatus. 
Reyerhinus uncinatus (Temm.), Cab. in Schomb. Guiana, 
iii. p. 736. 
Leptodon uncinatus, Sharpe, Cat. B. Brit. Mus. i. p. 330. 
Camacusa. 
511. Harpagus bidentatus. 
Harpayus bidentatus (Lath.), Cab. in Schomb. Guiana, iii. 
p. 734; Sharpe, Cat. B. Brit. Mus. i. p. 362. 
Bartica Grove. 
f 512*. Herpetotheres cachinnans. 
Herpetotheres cachinnans (Linn.), Cab. in Schomb. Guiana, 
iii. p. 738; Sharpe, Cat. B. Brit. Mus. i. p. 278. 
Not represented in Mr. Whitely's collection. 
-J 513. Ibycter americanus. 
Ibycter americanus (Bodd.), Sharpe, Cat. B. Brit. Mus. i. 
p. 35. 
Ibycter aquilinus (Gm.), Cab. in Schomb. Guiana, iii. p. 742. 
Bartica Grove, Camacusa. 
