184 LAEID-E. 



Xema luttlitzii, Darid, K. Arch, du Miis., Bull. vii. p. 13, no. 401 



(1871). 

 Chroicoceplialus saundersi, Swmhoe, P. Z. S. 1871, pp. 273, 421, 



pi. xxii. (0-seu-keo, Amoy) ; David ^- Oustalet, Ots. Chhie, p. 522 



(1877) ; Taczan. P. Z. S. 1888, p. 453 (Corea) ; id. Mem. Ac. St. 



Petersh. xxxix. p. 1045 (1893 : Sidemi, mouth of the Amoor). 

 Larus saundersi, Suutiders, P. Z. S. 1878, p. 205 (revision) ; id. Jouni. 



Li7i7i.Soc.,Zool.xi\. p. 399(1878: distribution) ; Tristr. Cat. Coll. B. 



p. 8 (1882 : 0-su-keo [Amoy, not "Japan "]) ; Sf}/an, Ibis, 1891, 



p. 508 (not on Lower Yangtse") ; Hartl. Ahh. Ver. Brem. xii. 



Hft. 2, p. 334 (1892: Hainan) ; De la Touche, Ibis, 1892, p. 502 



(Foochow, rare; Swatow, common) ; Styan, op. cit. 1893, p. 437 



(Hainan). 



Adult male in hreeding-plvmage (tj'pe of species). Head and 

 nape bluish black (a few of the white feathers of winter remaining 

 on Feb. :^3rd) ; a narrow white ring nearly surrounding the eye ; 

 neck, tail, and under surface white ; mantle of a rather dark shade 

 of pearl-grey ; the upper secondaries chiefly grey, but the rest conspi- 

 cuously white on their exposed terminal portions ; outermost pi'imary 

 white, except a hair-line of black on the basal half of the outer 

 web, and a marginal band of black on the inner web ; 2nd quill 

 white exteriorly, black on the inner web to the sub-apex ; 3rd 



1 2 



Larus saundersi, ad. 



similar, but with more black, which reaches the shaft and forms a 

 complete bar (sec cut); 4th pale grey basally, still barred and 

 margined with black and broadly tijipcd with while ; 5th, the black 



