The Trochilus aureigaster (aureigula?) of Lawrence, described from an alcoholic specimen in the Smithsonian collection, differs in having a green throat, becoming golden towards the chin. It is quite probable, however, that the difference is the result of immersion in spirits.
PLATE XLVII.
1. Trochilus alexandri. ♂ Cal., 44959.
2. Trochilus colubris. ♂ Pa., 2713.