122 Mr. G. R. Gray on the Species 
f. Mascarnnuas Groupe. Madagascar? 
Collocalia francica. 
Hirundo francica, Gmel. 
Collocalia francica, G. R. Gr. & Bp. 
Hirundo virescens, Vieill. 
Cotyle francica, Boie. 
Collocalia spodiopygia, p.? Cass. 
fuciphaga, p., Wall. 
Top of head, wings, and tail shining neous black ; upper 
part of back deep bronzy brown; rump with a broad band of 
brownish white; beneath the body pale mouse-colour, growimg 
lighter on the abdomen ; sides of head and back of neck dark 
geneous brown; under tail-coverts pale zneous brown. 
Length 4” 6”, wing 4” 5, tail 2” 1’”. 
Isle of France ; Madagascar. 
g. FrrsEE AND SaMoAN Groups. 
Collocalia spodiopygia. 
Macropteryx spodiopygius, Peale. 
Collocalia spodiopygius, Cass. 
Hirundo francica, Cass.? 
Cypselus spodiopygius, Bp. 
Upper surface zeneous black ; cheeks and sides of neck fuli- 
ginous ; mentum fuliginous, with the feathers slightly margined 
with white; rump very pale brownish mouse-colour, slightly 
varied with white, and with the shafts of the feathers fuliginous 
black ; beneath the body pale greyish mouse-colour, lighter on 
the abdomen; under tail-coverts dark mouse-colour, slightly 
margined with greyish white. 
Length 4” 7’, wings 4” 6", tail 1” 1". 
Feejee and Samoan Islands. 
This species appears to be represented in Ellis’s unpublished 
‘Tcones,’ 96 (which were made during the third voyage of 
Capt. Cook, between the years 1776 and 1779), from an example 
obtained at the Friendly Islands. 
h. New-Catzponia Grove. 
Collocalia leucopygia. 
Collocalia Linchi, Verr. & Murs. 
troglodytes, Bp. 
leucopygia, Wall. 
Upper surface black, with the top of head, wings, and tail 
shining zeneous black; a broad band of white across the rump, 
with the shaft of each feather fuscous black; throat and sides 
of neck fuscous; beneath the body ashy white, with a fuscous 
