248 Messrs. G. M. Mathews and Tom Iredale : 



Synonyms : — 



Lams novcBhoUandim Buller, Suppl. vol. I. p. 165. 



Lams scopulinus Buller, Suppl. vol. i. p. 166. (The type-locality of 



Lams novahoUandice Stephens in Shaw's Gen. ZkoI. vol. xiii. 



pt. 1, 1826, p. 196, is New South Wales ; and Larus scopulinns 



Gray in Dieffenbach's Travels in New Zeal. vol. ii. 1843, p. 200, 



is a nomeii nudum.) 



Range : — New Zealand (breeding), Subantarctic Islands 

 (breeding). 



Note : — It would be quite unwise to accept the Australian 

 B. n. nov(P.hollandi(B as a visitor to New Zealand without 

 authentic specimens having been carefully examined by 

 competent critics. It is obvious from Buller's writings that 

 he was not familiar with the Australian forms, and the 

 exposition by one of us (Mathews, Birds Austr. vol. ii. 

 pp. 191-2) has made it clear that easily differentiated forms 

 occur round the Australian coast. 



Genus LARUS. 

 Lams Linne, Syst. Nat. 10th ed. 1758, p. 136. 

 Type (by subsequent desigiiatiou) : L. canus Linne. 



Larus dominicanus antipodus (Bruch) . New Zealand Black- 

 backed Gull. 



Dominicanus antipodus Bruch, Journ. fiir Orn. 1853, p. 100: 

 New Zealand. 



Synonyms : — 



Lams melanohncus Boie, Isis, 1844, "p. 196 : nomen nudum. 

 Lams dominicanus Buller, Suppl. vol. i. p. 168. (The type-locality 



of Lams dominicanus Lichtenstein, Verzeichn. Doubl. Zool. 



Mus. Berl. 1823, p. 82, is South America.) 



Range: — New Zealand (breeding), Subantarctic Islands 

 (breeding). 



Genus CATIIARACTA. 

 Catharacta Briinnich, Orn. Boreal. 1764, p. 32. 

 Type (by subsequent designation) : C. skua Briinnich. 



Catharacta lonnbergi lonnbergi Mathews. New Zealand 

 Great Skua. 



Catharacta antarctica lunnberyi Mathews, Nov. Zool. 

 vol. xviii. 1912, p. 212 : New Zealand Seas. 



