I 



I 



16. HALCYON. 253 



Adult male. Similar to H. diops, but brighter blue above, with 

 the white collar of the hind neck represented onlj' by white bases 

 to the blue feathers ; a small supraloral white spot ; cheeks and 

 under surface of bodj- white, with pink and blue reflections on the 

 breast under certain lights ; lower abdomen and under tail-coverts 

 bright blue. Total length 8 inches, culmen 1-75, wing 3-65, tail 

 2"35, tarsus 0-5. 



Adult female. Differs from the male in having the entire breast 

 as well as the abdomen bright blue, leaving only the throat white. 

 Total length 8-5 inches, culmen 1-7, wing 3-5, tail 2-25, tarsus 0-45. 



Hab. Islands of Amboyna and Coram. 



«, 6. d ? ad. sk. Amboyna. Wallace Coll. 



c,d. d 2 ad. sk. N. Ceram. Wallace Coll. 



e. d ad. sk. N. Ceram (.1. M. Wallace). Gould Coll. 



23. Halcyon diops. 



Alcedo diops, Temm. PI. Col. iv. pi. 272 (1824) ; Less. Man. (POrn. 



ii. p. 93 (1828) ; Cuv. Regne Aiiim. i. p. 444 (1829) ; Cass. U.S. 



Expl. Exped. p. 227 (1858) ; Wald. Trans. Z. S. viii. p. 44 (1872). 

 Halcyon diops, Sfeph. in Shale's Gen. Zool. xiii. p. 99 (1826) ; Swains, 



Classif. B. ii. p. 335 (1837) ; Gray, Gen. B. i. p. 79 (1846) ; Cass. 



Cat. 'Hale. Phil. Mus. p. 6 (1852) ; Gray, P. Z. S. 1860, p. 346 ; 



Gray, Hand-l. B. i. p. 92, no. 1170 (1869) ; Shcerpe, Monoyr. 



Alced. p. 205, pi. 77 (1870) ; Pelz. Verh. z.-b. Ges. Ti'ien, xxvi. 



p. 718 (1876) ; Guillem. P. Z. S. 1885, p. 508 (Ternate, Batchian). 

 Dacelo diops. Less. Compl. Buf., Ois. p. 625 (1838) ; Sc/d. Mus. 



P.-B. Alced. p. 41 (1863) ; id. Vog. Nederl. Ind. Alced. pp. 30,60, 



pi. xii. figs. 3, 4 (1864); Finsch, Neu-Guinca, p. 101 (1865); Schl. 



3Ius. P.-B. Alced., Revue, p. 30 (1874) ; Rosenb. Reist. naar Geel- 



vi7ikb. p. 6 (1875). 

 Todirhamphus diops, Bp. Consp. i. p. 157 (1850) ; Reichenb. Handb., 



Alced. p. 29, Taf. 416. tig. 3127 (1851). 

 Cyanalcyon diops. Cab. S)- Heine, 3Ius. Hein. Th. ii. p. 158, note 



(1860) ; Salvad. Ann. Mus. Genov. vi. p. 764 (1875), x. p. 304 



(1877) ; id. P. Z. S. 1878, p. 79 ; id. Orn. Papuasia, i. p. 462 



(1880) ; id. Rep. Voy. H.M.S. 'Challenger^ Birds, p. 60 (1881) ; 



Pleske, Bidl. Acad. St. Petersb. xxix. p. 526 (1884 : Ternate) ; 



Salvad. Agg. Orn. Pcqniasia, i. p. 56 (1889). 



Adidt mcde. General colour above bright ultramarine, the back, 

 rump, and scapulars more of a lazuli-blue ; wing-coverts ultramarine- 

 blue ; greater coverts, quills, and tail black, externally washed with 

 blue ; head dark ultramarine or black with a blue gloss ; sides of 

 head also blue-black ; a large supraloral spot of white, and a half- 

 concealed spot of white on the occiput ; round the hind neck a 

 broad white collar ; cheeks and under surface of body also white ; 

 thighs black, washed with blue ; under wing-coverts white, with a 

 patch of blue on the bend of the wing. Total length 7'5 inches, 

 culmen 1'6, wing 3-5, tail 2*2, tarsus 0-5. 



Adtdt fomdc. Similar in colour to the male, but has no white 

 collar round the hind neck, which is blue like the head ; across tho 



