422 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 97 
These specimens agree with others from British Guiana. 
No material of apicalis (Gould) has been available for direct com- 
parison, but the close agreement of the present birds with examples 
from British Guiana suggests that apicalis is restricted to more 
western parts of Venezuela and eastern Colombia, and that the 
nominate race comes up from the south into the Upper Orinoco Valley. 
SAUCEROTTIA TOBACI CAURENSIS Berlepsch and Hartert: Caura Valley Hummingbird 
Saucerottia erythronotus caurensis BERLEPSCH and HarTeERT, Nov. Zool., vol. 9; 
1902, p. 84 (Suapure, Caura River, Venezuela). 
SPECIMENS COLLECTED 
lim. @#, lad. 2, Venezuela, Ciudad Bolivar, June 8-10, 1931. 
In the original description of this race specimens are listed from 
Ciudad Bolivar, which strengthens the identifications of the present 
examples from that locality. 
HYLOCHARIS SAPPHIRINA (Gmelin): Guiana Sapphire 
Trochilus sapphirina GMELIN, Systema naturae, vol. 1, 1788, p. 496 (Guiana). 
SPECIMENS COLLECTED 
1 ad. o, Brazil, Mandos, Amazonas, October 2, 1930. 
1 im, -, Brazil, San Carlos, Rio Negro, January 28, 1931. 
This hummingbird ranges across the country traversed by the 
expedition but was met with only once, at Manos. 
HYLOCHARIS CYANUS VIRIDIVENTRIS Berlepsch: Green-vented Sapphire 
Hylocharis viridiventris BERLEPscH, Ibis, 1880, p. 113 (Merida). — 
SPECIMENS COLLECTED 
2im. o&, Venezuela, Tamatama, Upper Orinoco, February 23, 1931. 
2im. #&, lad. 9, 1 im. -, Venezuela, Cerro Yapacana, Upper Orinoco, April 
16-23, 1931. 
' The two “immature” males from Cerro Yapacana were probably 
adult birds, as one of them was noted as having active, enlarged 
gonads, and both were in adult plumage. The Tamatama birds show 
signs of body molt. 
CHLOROSTILBON CARIBAEUS Lawrence: Caribbean Emerald 
Chlorostilbon caribaeus LawkENceE, Ann. Lyc. Nat. Hist. New York, vol. 10, 
1874, p: 13 (Curacao). 
SPECIMENS COLLECTED 
3 ad. &, 1-— (2), Venezuela, Ciudad Bolivar, June 10, 1931. 
Two of the males were noted by the collectors as being in breeding 
condition. 
. After comparison of a large series, including the specimens in the 
U. S. National Museum and the Carnegie Museum, Dr. Wetmore 
