516 CYPSELinj?. 



Adidt male. In general appearance like M. lowfipcnnis, but larger, 

 the steel-blue colour ou the upper parts very prevalent ; vent and 

 under tail-coverts not pure white, but siifFused with grey ; the ear- 

 coverts of a very dark chestnut, and separated from the grey throat 

 by a dark line. Total length about 9-5 inches, wing 7-2, tail 4-8. 



Adult female. As in the other species of this genus differs from 

 the male in having the ear-coverts greenish steel-blue, not chestnut. 



Youiui. Spotted like the young of M. coronata and ZoniyrpcjMits. 



Hub. Celebes and Sula Islands. 



a, b. Imm. sk. Celebes. "Wallace Coll. 



c. 2 ad. sk. N. Celebes. Tweeddale Coll. 



d,e. (5 $ ad. sk. Menado, Celebes ( Wallace). 



f. (S ad. sk. Macassar, Celebes ( Wallace). Tweeddale Coll. 



y. S ad. sk. Macassar. Wallace Coll. 



h. S ad. sk. Macassar. Gould Coll. 



{Type of the species.) 



i. 2 ad. sk. Sula Islands. Wallace Coll. 



4. Macropteryx mystacea. 



Cypselus mystaceus, Less. J'oi/. Coq., Zool. Atl. pi. 22 (1826) ; id. 

 'Man. d'Onh i. p. 417 (18:?.-<) ; Cuv. Regne An. i. p. .395 (1829) ; 

 cCAlb. Aim. Mtis. Civ. Gen. x. pp. 10, 19 (1877). 

 Hirundo mystacea, Gieh. Thes. Oni. ii. p. 21 (Cuv. Mus. Par.). 

 Apus mystaceus, Less. Tr. d'Orn. p. 268 (1831). 

 Macropteryx mystaceus. Swains. Class. B. ii. p. 430 (1837) ; Cass. Cat. 

 Hirimd. Mus. Phil. p. lo (1853) ; Wcdl. Afin. j- Mag. Nat. Hist. 

 XX. p. 477 (1857); Scl. Journ. P>\ Linn. Soc. ii. p. 155 (1857) ; 

 Grag, P. Z. S. 1858, pp. 170, 189, 1860, p. 345, 1861, p. 433 ; 

 Scdvad. Arm. Mus. Civ. Gen. vii. p. 7&3 (1885), x. p. 131 (1877). 

 Pallestre mystaceus. Less. Comj^l. du Btiffon, Ois. p. 441 (1838). 

 Macropteryx mystacea, S. Milll. Verh. Land- en VolhenTi. p. 110 

 (1839-44) ; Salmd. Ann. Mus. Civ. Gen. x. pp. 130, 311 (1877) ; 

 id. P. Z. S. 1878, pp. 81, 95 ; id. Orn. Papuasia, i. pp. 537, 538 

 (1880) ; A. B. Meyer, Zeitsch: yes. Orn. 1884, p. 278 (Ostiud. 

 Arch.) ; id. ibid. 1886, pp. 14, 34 ; Nehrkorn, J.f. O. 1885, p. 32 ; 

 Giiilletn. P. Z. S. 1885, pp. 669, 630. 

 Deudrochelidon mystacea (-us), ^6i«e, 7s««, 1844, p. 166; Bp. Ccms]^, 

 i. p. 66 (1850) ; Gould, B. Asia, i. pi. 24 (1859) ; Bernst. J.f. O. 

 1859, p. 183 ; Cab. 8,- Heine, Mus. Hein. iii. p. 82 (1860) ; Wall. 

 P. Z. S. 1863, p. 22 ; liosenb. J.f. O. 1864, p. 117 ; Scl. P. Z. S. 

 1865, pp. 596, 616; id. J.f. 0. 1867, p. 140; Grai/, Hand-l. i. 

 p. 65 (1869); A. B. Meyer, Sitzb. k. Ak. Wissensch. Wien, Ixx. 

 p. 218 (1874) ; Salvad. Ann. Mus. Civ. Gen. viii. p. 372 (1876) ; 

 Cab. ^ Eeichen. J. f. 0. 1876, p. 324 (Salomon Is.) ; d'Alb. Ibis, 

 1877, p. 366; Scl. P. Z. S. 1877, p. 105 (Bum) ; Finseh, P. Z. S. 

 1879, p. 10 ; Layard, Ibis, 1880, p. 298 (New Hebr.) ; Tristr. Ibis 

 1882, pp. 134, 143 (Solomon Is.). 

 DendrocneHdon mystacina, liosenb. Nat. Tijdschr. Ned. hid. xxv 



p. 229(1863). 

 Cypselus mystacalis, Rosenb. Reis naar Ztddoostereil. p. 37 (1867). 



Adidt male. Lores black ; forehead, crown, wings and tail, upper 

 and under wing-coverts and longer upper tail-coverts deep steel- 

 blue ; neck, back, rumjD, scapulars, shorter upper tail-coverts, throat, 

 breast, upper abdomen, and sides of body grey; stripes from the 



