of {the Genus Collocalia. 119 
The nest represented by Olearius in 1674 was found in Coro- 
mandel, and probably belonged to this variety. 
Var. 6. Smaller, with the rump scarcely lighter than the back. 
Length 4! 3", wings 4! 7", tail 2". 
Borneo. 
It is probably the nest of this variety that was referred to by 
Beeckman in 1718. 
Collocalia Linch. 
Hirundo fuciphaga, Horsf. 
Collocalia fuciphaga, G.R. Gr. 
Linchi, Horsf. 
Cypselus (Collocalia) esculenta, Bernstein. 
Hemiprocne fucivora, Streub. ! 
Upper surface metallic black ; throat, cheeks, sides of neck and 
breast brownish fuliginous, with each feather slightly margined 
with white; abdomen white; tail metallic black and immacu- 
late; under tail-coverts metallic black, with the smaller ones 
margined with white. 
Length 3” 6”, wings 3! 11", tail 1” 6”. 
Java, Malacca, Nicobar Islands, Archipelago of Mergui, &e. 
The nest of this species, like that of the former, is much used 
for culinary purposes. 
b. PHiLtrPpPINE GROUP. 
Collocalia troglodytes. 
Collocalia troglodytes, G. R. Gr. 
Upper surface bronzy black; beneath the body fuliginous, 
with the feathers of the throat, abdomen, and vent broadly mar- 
gined with greyish white ; a narrow transverse band of white on 
the rump, with the shaft and a patch at the tip of each feather 
fuseous black ; tail and upper tail-coverts black, with the former 
rather pale at the base ; under tail-coverts fuscous black. 
Length 3” 3!", wings 3" 11", tail 1” 6”. 
Philippine Islands. 
The edible nest of the Philippine Islands was noticed by 
Camel in 1702, and may probably be referred to this species. 
c. Papuan Group. Celebes? 
Collocalia nidifica, var. 
Collocalia nidifica, var., G. R. Gr. 
Var. c. Beneath the body very pale brownish mouse-colour, 
especially on the throat. 
Length 5”, wings 4” 10”, tail 2” 3”. 
Louisiade Islands; Celebes ? 
