884 
Birds of Celebes: Fregatidae. 
Eep. Trans. Venus Exp., B. Kerguelen 1877, 52; (5) Hartl., Vog. Madag. 1877, 399; 
(6) Lay., Ibis 1878, 265; (7) Sharpe, P. Z. S. 1879, 353; (8) Nichols., Ibis 1882, 
71; (9) North, Nests and Eggs B. Austr. 1889, 364. 
«. Atagen ariel [Gould MS.]; (I) Gray, Gen. B. m, 669, Nr. 2, pi. 184 (1845); (II) Gould, 
B. Austr. 1848, VK, pi. 72. 
d. Tachypetes ariel (1) v. Musschenbroek, N. T. Ned. Ind. 1876, XXX VI, 380. 
e. Atagen (or Attagen) minor (1) David & Oust., Ois. Chine 1877, 534; (2) Kelham, Ibis 
1882, 202; (3) Rams., Tab. List 1888, 25. 
f. Tachypetes aquila var. minor (I) Milne-E. & Grand., Ois. Mad. 1879, 1,705, pis. 286—8 (III). 
g. ? Fregata aquila (1) Briigg., Abh. Vcr. Bremen 1876, V, 99. 
For further synonymy and references cf. Salvador! 5. 
Figures and descriptions. Gray c /; Gould ciJ; SchlegelJ; Legge 3; Hume 4; Salvad. 
5\ Baird, Brewer & Ridgway S; Ridgway 10\ Milne-Edwards & Grandidier 
f I (skeh); etc. 
Adult male. Schistaceous black, the feathers of head, neck and back lanceolate and glossed 
with green and \dolet; a patch on the flanks white; tail very long and deeply forked; 
chin and middle of throat bare, “deep red” (cf. Macassar, 17. Sept. 1895: P. &F. 
Sarasin). 
“Iris red; bill grey; sldn of throat red; eyehd black; legs and feet black” 
(Legge 3). 
Female. Breast, flanks, sides, and a narrow collar round the lower neck white; 
the rest of the plumage, including the abdomen, brownish black, the remiges and 
rectrices glossed with violet, the head with green and violet, the lesser and middle 
wing-coverts broadly edged with whitish, the back with brownish edgings; much less 
of the throat bare than in the male (g. Macassar, 9. EX. 95; Sarasin Coll.). 
Young male. Head and neck wliite, washed with cinnamon, deeper cinnamon on the jugu- 
lum ; abdomen white; lower breast, sides, flanks, and under tail-coverts 
brownish black with a purplish gloss; upper’ parts as in the adult female, iris 
dark brown; bill bluish, anteriorly whitish; feet bluish with a flesh-red tint” (cf juv. 
27. yiT. 94, near Manado: Sarasiir Coll.). 
Young female. Like the young male, but with more white about it: most of the breast and 
sides white; the head and neck deeply stained with cinnamon (§, Macassar, 9. IX. 
95: Sarasin Coll.). 
Measurements. 
a. (Sarasin Coll.) c? ^4., Macassar, 17. IX. 95 
h. (Sarasin Coll.) cf ad.. Macassar, 17. IX. 95 . 
c. (Sarasin Coll.) cf ^ ad., Macassar, 8. IX. 95 
d. (C 6961) [cf] ad., Celebes, 1883 (Ribbe & Kuh 
e. (Sarasin Coll.) $ ad.. Macassar, 9. IX. 95 . . 
f. (Sarasin Coll.) cf jav., Manado, 27. VH. 94 . 
g. (Sarasin Coll.) $ juv.. Macassar, 9. IX. 95 . . 
a) 
Wing 
Tail 
Tarsus 
Exp.culm. 
straight 
540 
350 
15 
— 
420 
16 
585 
355 
— 
555 
300 
— 
565 
350 
— 
565 
340 
— 
85 
100 
100 
97 
91 
100 
90 
For comparison: 
h. (Nr. 11847) [cf] F. mi'i%or, America? . . . 
i. (C 13417) cf ad., F. aquila, Bahamas, 15. V. 92 
j. (C 13418) $ ad., F. aquila, Bahamas, 2. H. 92 . 
503 
620 
685 
320 
460 
460 
90 
108 
120 
Nestling. Clothed in white down. 
Nest and eggs. Breeds in colonies, forming a nest of sticks and twigs on the ground or on 
