240 



o. Ad. sk. North Island, autumu {Dr. O. H. Saunders Coll. 



Finsch) [figd. P. Z. S. 1878, 



p. 188]. 

 2)-u. S 2 ad. et Wellington, North Island. H. Saunders Coll. 



juv. sk. 

 V, w. Imm. sk. Auckland Harbour, North Is- II. Samiders Coll. 



laud, March (jE". L. Layard). 



25. Larus hartlaubi. 



Gavia hartlaubi, Bnich, J. f. O. 1853, p. 102 ; id. op. cit. 1855, 



p. 286 (Cape of Good Hope) *. 

 Gelastes hartlaubii, Bp. Naum. 18-54, p. 216 ; id. C. R. xlii. p. 771 ; id. 



Consp. Av. ii. p. 227 (1857) ; Hartl. Faun. Madag. p. 85 (1861) f- 

 ? Larus pseocephalus, Griirney, Ibis, 1860, p. 221 (Natal I3ay). 

 Larus poiocephalus, Layard {nee Swains.), B. S. Afr. p. 368 (1867). 

 Larus cirrhocephalus, Hartl. Orn. Madag. p. 378 (1877). 

 Larus ridibundus, Schl. ^ Pull. Faune Madag., Ois. p. 146 (1868) 



[seen only]. 

 Larus hartlaubi, Saund. P. Z. S. 1874, p. 293 ; id. op. cit. 1878, p. 188 



(revision Larinae) ; id. Journ. Linn. Snc, Zool. xiv. p. 398 (1878 : 



distribution) ; Sharpe, ed. Layard's B. S. Afr. p. 698 (1884). 



Adult. Smaller than L. scopulinus, but otherwise very similar, 

 but the mirrors on the outer primaries are smaller ; the 3rd quill 

 has far less white on its basal portion (see cut), while on the 4th 



Larus hartlauhi. 



* Type in Mainz Museum examined. 

 + Specimen in Paris Museum examined. 



