15. LAKUS. 



229 



Vouiiff. Upper and under surfaces chiefly brown, lightest on the 

 forehead and throat and darkest on the nape and upper breast ; 

 featliers of the mantle and wing-coverts with buff margins which 

 gradually wear off; quills and rectrices dark brown, the latter 

 lipped with dull white; abdomen whitish; Hanks, breast, and 

 under wing somewhat pale brown : bill ochre-brown, with black 

 I ip ; tarsi and toes yellowish brown. 



In a more advanced stage and after the first important moult, 

 the brown of the upper parts gradually gives place to grey, the 

 outer piimaries are blacker, while the upper ones show distinctly 

 white tips ; the rectrices brownish black, with conspicuous whitish 

 tips; the under surface dirty white, browner on the flanks and neck. 



Immature. Head and uuderparts white, as in the adult ; mantle 

 slate-grey, with some brown on the wings ; secondaries with 

 whitish tips and margins ; tail-feathers white at their bases, and 

 the outer web of the outer pair iron-grey, inclining to white. 



Hah. Coast of Eastern Asia, from the Island of Saghalien south- 

 ward, through Japanese and Chinese waters to about 22° N. lat. 



a-c. Juv. sk. 



(If. Ad. et juv. 



sk. 

 //. 2 juv. sk. 

 /(. Juv. sk. 

 i-l. S 2 ad. sk. 

 in. Imm. sk. 

 n. Juv. sk. 

 0. S «id. sk. 

 p. Ad. sk. 



-/. 2 ad. sk. 



r, s. <S ? 3,d. sk. 



t. Ad. sk. 



u-w. (S 2 ad. et 



juv. sk. 

 .r-z. Ad. st. 

 a'. 2 ad. sk. 

 b'. cj ad. sk. 

 c'. (S juv. sk. 

 (V, e . Ad. sk. 



/',_ g'. i ad. et 



juv. sk. 

 /('. Imm. sk. 

 i . Imm. sk. 

 k' m'. Ad.,itmii., 



et juv. sk. 

 n' . 2 ad. sk. 



o'. Ad. sk. 



Amoy, Jan. -March {It. Swin- 



hoe). 

 Amoy, Dec. & March (E. S.). 



Amoy, Jan. {J. A. Budding). 

 Formosa ( Verreau.v). 

 Cht'foo, July (R. Swinhoe). 

 Chofoo, July(R. S.). 

 Chefoo, Oct. {G. Stephen). 

 Taalienwan, June {R. Swi/thoe). 

 Corea. 



Chemulpo, Corea, Aug. 



Tsu-shima Is., Kruseustern 



Channel, Feb. (A. Hoist). 

 Hamilton Island. 



Hamilton Island (Port Hamil- 

 ton), Sept., Dec. {G. Stephen). 



Japan. 



Japan. 



Japan, Jan. (Adml. Si. John). 



Nagasaki, S. Japan, March. 



Kami-simu, S. Japan, June, 

 breeding [Adml. St. John). 



Yedo Bay, Jan. {Adml. St. John) 

 (excrescence on bill of ad.). 



Yokohama {H. Pn/er). 



Yokohama (if. P.). 



Ilakodadi, N. Japan {H. Tflu'te- 



%). 

 Ilakodadi, N. Japan, March 



{H. W.). 

 Ilakodadi {Capt. Blakiston). 



H. Saunders Coll. 



H. Seebohm Coll. 



Salvin-Godman Coll. 

 H. Saunders CoU. 

 H. Saunders Coll. 

 H. Seebohm CoU. 

 H. Saunders Coll. 

 H. Saunders Coll. 

 C.W.Campbell, Esq. 



[P.]. 

 C.W. Campbell, Esq. 



[P.]. 

 Seebohm Coll. 



A. G. Wilday, Esq. 



[C.]. 

 II. Saunders Coll. 



Purchased. 

 Salvin-Godman Coll. 

 H. Saunders Coll. 

 F. Einger, Esq. [P.]. 

 H. Saunders Coll. 



H. Saunders Coll. 



H. Seebohm Coll. 

 H. Saunders Coll. 

 H. Saunders Coll. 



Tweeddale Coll. 



II. Seebohm Coll. 



