350 Genera of Humming Birds. 



laterals bronze at base, remainder bluish-black. Outermost 

 ones brownish-black, with grayish rufous on the external web 

 reaching nearly the tip. Underside pale gray, nearly white on 

 lower part of abdomen. Line above the eye pale rufous. Spot 

 behind the eye white. Wings purplish-brown. Bill black. 



Total length, 5|in. Wing, 2%. Tail, 2^. Culmen, |. 



Female. — Like the male, but smaller, the two outermost 

 rectrices broadly tipped with gray, the medians not so long 

 as in the male. Underside grayish-white, paler than in the 

 male. 



Total length, 4|in. Wing, 2%. Tail, i|. Culmen, |. 



All my specimens of this species are from Guatemala and 

 Yucatan, Mexico. 



473. SphenOPROCTUS CURVIPENNIS, Licht. Preiz. Verz. Mex. 

 Thier., 1830, No. 32. 



Sphenoproctiis pampa, Cab. and Hein., Mus. Hein., i860, 

 t. iii., p. 1 1. 



Mexican Sabre-wing, Gould, Mon. Troch. Suppl., 1886, 



P- 5- 



le Campyloptere die Mexique. 



Habitat. — Mexico. 



Male. — The only differences which I can see between this- 

 species and the preceding one is the colour of the upperside 

 which is more golden, and the underside whiter. I doubt 

 that they are sufficient to consider it as a distinct species. 



I collected my specimens in Mexico. It is one of the 

 species found in the forests, which I could easily recognise by 

 its song. 



Genus CXL. Eupetomena, Gould, Mon. Troch., 1853, 



p. 6. 



Prognornis, Reich., Aufz. der Colib., 1853, p. 11. 

 Type : T. macrourus, Gould. 



Bill stout, short, slightly longer than the head and very 

 slightly curved. Wings long, shaft of first and second 

 primaries in the male broad and flattened. Tail very long,, 

 deeply forked, median rectrices broad and short, the two next 



