MICR0P0DTD,€, 
Family MICROPODID^. 
Genus HEMIPROCNE Nitzsch. 
Hemiprocne longipennis (Rafin,}. Crested Tree-Swift, 
Hemiprocne longipennis longipennis (Rafin.). 
Hirundo longipennis Raiinesqiie, Bull Soe. Philorm. Paris, iii, 1S02, 
P- 153 : Java. 
Hirundo Ktecko Horsf., Trans. Linn. Soc, xiii, iSoi, p. e 43 : Java. 
Distr. — Java; Bali. 
Hemiprocne longipennis harterti St res. 
Hemiprocne longipennis harterti Stresemann, Nov. Zool. xx t 1913, 
p, 339 ; Deli, North-east Sumatra. 
Hemiprocne longipennis anochra Oberh., Bull. U.S. Nat. Mus. 159, 
1932, p. 42 : Bunguran Island, North Natuna Islands. 
Distr . — Malay Peninsula; Auamba Islands. 
Sumatra; Rhio Archipelago; Banka; Billiton. 
Borneo; North Bornean Islands; North Natuna Islands; 
Karimata Islands. 
^Hemiprocne longipennis perlonga iRichrn.). 
Macropteryx perlonga Richmond, Proc. U.S. Nat. Mus. xxvi, 1903, 
p. 502 : Simalur Island, West Sumatra. 
Distr. — Simalur Island, West Sumatra. 
* Hemiprocne longipennis ocyptera Oberh. 
Hemiprocne longipennis ocyptera Oberholser, Smiths. Misc. Coll, 
lx, 7, 1912, p. 7 : Nias Island, West Sumatra, 
Distr.—. Nias Island, West Sumatra. 
* Hemiprocne longipennis thoa Oberh. 
Hemiprocne longipennis thoa Oberholser, Smiths. Misc. Coll. lx, 7, 
1912, p. 8; Pinie Island, Batu Islands, West Sumatra. 
Distr. — Batu Islands; Pagi Islands; Engano, West Sumatra.' 
Hemiprocne comata fTemm.), 
Hemiprocne comata comata {Tenun.h Tufted Tree-Swift 
Cypselus comatus Temininck, PL Col. 268, 1824 : Sumatra. 
Distr. — Malay Peninsula; Anamba Islands (ids.). 
Sumatra; Rhio Archipelago; Banka; West Sumatra Islands of 
Nias, Batu Islands, Siberut and Pagi Islands. 
Borneo; North Natuna Islands. 
> We have referred the Engano bird to the nearest race geographically 
but have never seen specimens from the island. 
[113] 
