Collocalia germani Oustalet, Bull. Soc. Philom. Paris (1876), 1-3.
Collocalia francica Hartert, Cat. Birds Brit. Mus. (1892), 16, 503
(part); Sharpe, Hand-List (1900), 2, 90 (part); Oates and Reid,
Cat. Birds' Eggs (1903), 3, 76 (part).
Salangana francica McGregor and Worcester, Hand-List (1906), 58.
Collocalia francica inexpectata Mearns,
Proc. Biol. Soc. Wash. (1905), 18, 90.
Collocalia francica germani Oberholser,
Proc. Acad. Nat. Sci. Philad. (1906), 58, 201.
Ca-li-pat'-pat, Cuyo; sa-lin-ba-bá-tang, Cagayancillo.
Cagayancillo (McGregor); Cagayan Sulu (McGregor, Mearns);
Calamianes (Bourns & Worcester, McGregor); Cebu (Steere
Exp.); Cuyo (McGregor); Negros (Steere Exp.); Panay (Bourns &
Worcester). Mergui Archipelago; Tenasserim; Malay Peninsula;
Siam; Candore Island; Cochin China.
Adult.--Similar to Collocalia whiteheadi but easily recognized by
the whitish or smoky gray band across rump; shafts of rump-feathers
darker; tarsi unfeathered.
Young.--Probably the young bird is much like the adult, as with other
species of the genus.
"Four males from Culion measure, 112 in length; wing, 115; tail, 50;
culmen, 5; tarsus, 9; middle toe with claw, 9. Iris dark brown; legs
and feet light brown; bill and nails black." (Bourns and Worcester MS.)