MICROPODJD.S. 
Col local) a lowi tichelmani St res. 
Collocalia brevirostris iichelmani Stresemanu , Grn. Monatsber, 
xxxiv, 1926, p. 104 ; Tamaloeang, South-east Borneo. 
Distr.— Borneo (south-east). 
*CoIlocalia ( ? lowi) vulcanorum StreS. 
ColiocaHa brevirostris vulcanorum Stresemanu, Mitt. Zool. Mus. 
Berlin xii, 1926, p. 352 1 West Java. 
Distr. — Java (west). 
Collocalia gigas Hart, and But). Giant Swiftlet. 
Collocalia gigas Hartert and Butler, Bull. Brit. Orn. Cl. xi, 1901, 
p. 65 : Selangor, Malay States. 
Distr. — Malay States. 
Sumatra. 
Java. 
Collocalia esculenta (Linn.). White-bellied Swiftlet. 
(Collocalia esculenta esculenta (Linn.). 
Hirundo esculenta Linn., Syst. Nat. roth. ed. 1 758, p. 191 : 
Amboyna. 
Distr. — Kxtra-limital. ] 
Collocalia esculenta linchi Ilorsf. and Moore. 
Collocalia linchi Horsfield and Moore, Cat. Bds. Mus. East lnd. Coy. 
i, 1854, p. 100 : Java. 
Distr, — ? Sumatra (south-east). 
Java; Bali; Kangeau Islands; Bawean Island. 
Collocalia esculenta eyanoptila Oberh. 
Collocalia linchi eyanoptila OberholseT, Proc. Acad. Nat. Sci. 
Philadelphia, 1906, p. 205 : Bunguran Island, North Natuna 
Islands, 
Distr. — Malay States. 
? Sumatra (east); 1 Lingga Archipelago, 
Borneo; North Natuna Islands, 
Collocalia esculenta oberholsert Sires. 
Collocalia linchi oberholseri Stresemanu, Nov. Zool. xix, 1912, 
p, 348 : North Pagi Island, West Sumatra. 
Distr. — Sumatra (west); Nias Island and Mentawi Islands, West 
Sumatra. 3 
« Specimens from North-east Sumatra are small and are possibly nearer 
to C. 1. affiiris Beavan of the Andaman Islands than to eyanoptila : we have 
not seen affinis. C. 1. elachyptera Oberh. (Mergui Arch.) probably occurs in 
Peninsular Siam. 
* We have not seen specimens from Nias and place them with oberholseri 
purely on geographical grounds. 
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