16. NYCTICOEAX. 161 



r. cT ad. sk. Thursday Island, Torres Voj-. II.M.S. 'Alert.' 



Straits, June "21 (Dr. Coj>- 

 pinger), 



s, t. d2 ad. ; u. Admiralty Islands. Voy. H.M.S. ' Chal- 

 et juv. sk. lenger.' 



V, w. Ad. sk. Pelew Islands ( Coken). Tweeddale Coll. 



x,y. Ad.etjuv.sk. Celebes. Tweeddale Coll. 



Subsp. a. Nycticorax crassirostris. 



Ardea caledonica {nee Gm.), KiUlitz, Kiipf. Ti'xj. iii. p. 27, pi. 35. 



fig'. 2 (18:J.3 : Bonin Is.). 

 Nycticorax crassirostris, Vigors, Voy. 'Blossom/ Zool. p. 27 (1839 : 



Bonin Is.) ; Gray, Gen. B. iii. p. 558 (1847) ; Bp. Comp. Av. ii. 



p. 140 (18.55) ; Seebohm, P. Z. S. 1889, p. 586 (Bonin Is.); id. 



Ibis, 1890, pp.106, 108 (Nakondo-Sliima ; Parry Is., June) ; id. 



B. Jap. Emp. p. 222 (1890). 

 Calherodius crassirostris, Bp. Compt. Rend. xl. p. 723 (1855). 

 Nyctiardea crassirostris, Gray, Hand-l. B. iii. p. 33, no. 10174 (1871). 



Adult (type of species). Similar to N. caJedonicus, and only differing 

 in its stouter bill : " bill black, greenish yellow at base ; tarsi light 

 yellow, with greenish scales in fcont ; iris light yellow" (P. A. Hoist). 

 Total length about 22 inches, culmen 3-3, wing lO'o, tail 4'2, tarsus 4. 



Hab. Eonin Islands. 



a. Ad. sk. Bonin Islands. Gould Coll. 



(Tj^pe of species.) 



6. Nycticorax mandibularis. 



Nycticorax manillensis, pt., Bp. Consp. Av. ii. p. 140 (1855) ; Gray, 

 List B. Trop. Isl. p. 49 (1859 : Solomon Islands) ; Set. P. Z. S. 

 1869, p. 119 fSolomon Is.) ; Ramsay, Proc. Linn. Soc. N. S. W. vii. 

 p. 39 (1882 : Ugi) ; Tristr. Ibis, 1882, p. 140 (Solomon Is.). 



Nyctiardea manillensis, pt., Gray, Hand-l. B. iii. p. 3.3, no. 10173 



Nycticorax caledonicus (wee Gin.), Salvad. Orn. Pap. iii. p. 872 

 (1882) ; Ogilvie-Grant, P. Z. S. 1887, p. 338 (Fauro, Solomon Is.). 



Nycticorax mandibularis, Ogilvie-Grant, P. Z. S. 1888, p. 203 (Solo- 

 mon Is.) ; Salvad. Agg. Orn. Pap. iii. p. 208 (1891). 



Adult female (type of species). Similar to N. manillensis, and, like 

 that species, not having a white eyebrow, but differing from it in 

 having a pure white throat like N. caledonicus : " bill black, base 

 of lower mandible and skin round the eye yellow ; legs yellow ; 

 iris yellow '' ( C. M. Woodford). 



Bab. Solomon Islands, New Britain and Duke of York Islands. 



a. 2 ad.sk. Aola, Guadalcanar, Solomon C.M.Woodford, Esq. 



Islands, May. [C.]. (Type of 



species.) 

 Aola, Guadalcanar, April. C. M.Woodford, Esq. 



[C.]. 

 Duke of York Island. Rev. G. Brown [C.]. 



Duke of York Island, Feb. Dr. R. B. Shai-pe 



{Klei7isclimidt). [P.]. 



Kabahadai, New Britain, Feb. Rev. G. Brown [C.]. 



