a BANGS — COSTA RICAN BIRDS 
i) 
or 
Panterpe insignis Cab. and Heine. 
While on Iraztt in December, 1906, and January, 1907, Mr. 
Underwood secured a large number of specimens of Panterpe 
insignis. Among these is one individual exhibiting strikingly 
abnormal coloration, possibly due to melanism. It is a male, 
and was killed Dec. 8, 1906. It entirely lacks the glittering green 
of the back, belly, sides and under tail coverts of the normal bird, 
being of a general dusky coloration, the under parts inclining to 
slaty, with slight purplish metallic reflections on back and breast; 
the wing coverts are dull green; the throat, dull metallic greenish, 
changing to leaden on the chin; the crown (glittering violet blue 
in the normal bird) is dull, shining, leaden gray; the tail, dark blue, 
slightly darker and duller than in normally colored examples. 
Abnormally colored hummingbirds are not infrequent, and have 
turned up in a number of genera, many having been described as 
‘species’; and this, at first sight, extraordinary-looking bird is but 
another instance of the tendency to color ‘freaks’ exhibited by the 
Trochilidee. 
Lophornis delattrii ([ess.). 
In October, 1900, Mr. Underwood took a young male of this 
species at San Pedro, Costa Rica, and at the same place in October, 
1906, he secured two more, both young males. All three skins are 
in my collection. 
L. delattrvi is not uncommon throughout Panama, and its occa- 
sional occurrence in Costa Rica was to be expected; however, I 
believe, these three specimens are the first actually to be recorded. 
Chetura spinicauda fumosa (Salv.) and Chetura cinereiventris 
pheopygos Hellmayr. 
In ‘Das Tierreich,’ Meeropterygidie, 1897, Hartert gave two gray- 
rumped swifts as inhabiting Costa Rica, calling them by the names, 
