UNIFORM SWIFTLET. 
in either size or colour, for which reason no distinction is necessary in colour 
comparisons or measurement averages.” 
Oberholser’s ten subspecies are — 
Collocalia fuciphaga fuciphaga (Thunberg). 
Java. 
Collocalia fuciphaga amechana (Oberholser). 
Anamba Islands. 
Collocalia fuciphaga elaphra (Oberholser). 
Seychelles Islands. 
Collocalia fuciphaga brevirostris (McClelland). 
Assam. 
Collocalia fuciphaga capnitis (Thayer and Bangs), 
Hupeh, Central China. 
Collocalia fuciphaga vestita (Lesson). 
Sumatra. 
Collocalia fuciphaga aerophila (Oberholser). 
Nias Island, Sumatra. 
Collocalia fuciphaga mearnsi (Oberholser). 
Luzon, Philippine Islands. 
Collocalia fuciphaga vanihorensis (Quoy and Gaimard). 
Vanikoro Island, Santa Cruz group. 
Collocalia fuciphaga tachyptera (Oberholser). 
Guam, Mariana group. 
It would have been anticipated that here was splitting enough, but 
Stresemann two years after made alterations and additions to this survey. 
In the Verhandl, Ornith. Gesellsch., Bayern, Bd. XII., Heft. 1, pp. 1-12, May 15, 
1914, he made the following emendations. Two species were determined as 
having been confused by Oberholser and these he concluded should bear 
the names Collocalia fuciphaga and C. vestita. Oberholser’s vestita, amechana, 
aerophila, capnitis, brevirostris and elaphra are referred to the last named 
as subspecies, yet still ten subspecies of C. fuciphaga were admitted. These 
may be also summarised : 
Collocalia fuciphaga fuciphaga (Thunberg). 
Sumatra, Java, Kangean. 
Collocalia fuciphaga subsp. 
Natura, Borneo, Palawan. 
Collocalia fuciphaga micans (Stresemann,). 
Sumba, Savu, Timor, Celebes. 
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