1(J. NYCTR'OKAX. 



Mbau IsL, Fiji, Aug. 



h: 



!\ Alb. sk. 



[t. 3-ir,]. 

 m^, w'. Ad. alb. EUice Islands. 



sk. [t. 2-7-2-81 

 o\ Ad. sk. [t. 3'1]. Sanioan Islands. 



p\ q''. Ad. sk. Samoan Islands. 



[t 2-8]. _ 

 ;•', s . Ad. etjuv. Samoan Islands. 



sk.[t.2-7-2-75]. 

 <\ M*. $ imm. sk. Tahiti. 



[t. 2-8-2-y]. 

 f'. Ad. sk. Ilualieine. 



[t. 3-OJ. 

 vj% x". Alb. sk. Borabora Island. 



[t. 2-7.5-2'8.J]. 

 ?/'. Ad. sk. Vavao, Friendly Islands. 



s'. Ad. et juv. sk. Saltwater Lagoon, Tongatabu, 



July. 

 «", b\ S 5 alb. sk. Tongatabu. 



Brenchlev Coll. 



c". cJ alb. sk. 



d^. Skeleton. 

 e% p. Sterna of 

 D. eulophotes. 



Tongatabu, Nov. {Dr. Cop- 



pinyer). 

 Aneiteum. 



16. NYCTICORAX. 



Rev. S. J. Whitmee 



[C.]. 

 Rev. J. B. Stair 



[C.]. 

 Gould Coll. 



Rev. S. J. Whitmee 

 [CI 



Voy. H.M.S. ' Chal- 

 lenger.' 



Gould Coll. 



Hume Coll. 



Purchased. 

 Brenchley Coll, 



Voy. H.M.S. ' Chal- 

 lenger.' 

 Voy. H.M.S. ' Alert.' 



J. Macgillivray [C.]. 

 Consul Swinhoe [P.]. 



Type. 

 N. nyctieorax. 

 N. nyctieorax. 



Nyctieorax, Rcifin. Analyse, p. 71 (1815) , 



Nyctiardea, Swains. Classif. B. ii. p. 354 (1837) .... 

 Scotseus, Keys. ^' Bias. Wirb. Eur. pp. Ixxx, 220 



(1840) N. nyctieorax. 



Nycterodius, Mary ill. Man. Brit. Orn. ii. p. 126 



(1842) N. nyctieorax. 



Rcmge. Nearly cosmopolitan, but not ranging very far north. 

 Ke>j to the Species. 



a. Tail grey or slaty brown, not chestnut like 

 the back. 

 a' . No chestnut on neck ; no white patch on 

 the back. 

 a" . Base of forehead and eyebrow white ; 

 under tail-coverts white, 

 rt^. Under surface of body white, includ- 

 ing the under wing-coverts and 

 axillaries, with a delicate grey shade 

 on the sides of the neck and chest. . nyctieorax, p. 14G. 

 //\ Almost entirely delicate grey under- 

 neath, including under wing-coverts 

 and axillaries ; throat and abdomen 



■white toyazu-yuira, p. 1.^5. 



b" . No white band on forehead; under 

 surface of body entirely dark slaty 

 grey or slaty brown, as also the sides 

 of neck and under tail-coverts ; upper 

 throat only white cyaiioccjihtdm, p. I^IO. 



VOL. XXVI. I, 



