410 Messrs. G. M, Mathews anclTom Iredale : 



Fuligula novaeseelandige (Gmelin). New Zealand Scaup. 



Anas novceseelandicp, Gmelin, Syst. Nat. 1789, p. 541: 

 Dusky Sound, South Island. 



Synonyms : — 



Anas atricilla Forster, Descr. Anim. ed. Liclit. 1844, p. 95 : 



Dusky Sound, South Island. 

 Fulujula novcezealandice BuUer, Suppl. vol. ii. p. 17. 



■ Range : — Both Islands (breeding). 



Genus IIYMEXOLAIMUS. 

 Hymenolaimus, Gray, Ann. & Mag. Nat. Hist. vol. xi. 

 1843, p. 370. 



Type (by monotypy) : H. malacorhynchos (Gmelin). 



Hymenolaimus malacorhynchos (Gmelin). Mountain Duck. 



Anas malacorhynchos Gmelin, Syst. Nat. 1789, p. 526 : 

 Dusky Sound, South Island. 



Synonyms : — 



Malacorhynchns forsterorum Wagler, Isis, 1S32, p. 1235 : new 



narae for A. malacorhynchos Gmelin. 

 Hymenolaimus malacorhynchns BuUer, Suppl. yoI. ii. p. 17. 



Eange : — Both Islands (breeding). 



Genus PROMERGUS, nov. 



Difiers from the genus Mergus (type M. merganser Liune) 

 in its longer and more slender bill and shorter toes, but espe- 

 cially in having the sexes alike in coloration ; in Mergus the 

 depth of the culmen at the frontal feathers is more than one- 

 third its length, wliile in Promergus the depth is less than 

 one-fourth the length. 



Type : P. australis (Hombron & Jacqninot). 



Promergus aijstralis (Hombron & Jacquinot). Auckland 

 Islands' Merganser. 

 Mergus australis Hombion & Jacquinot, Ann. Sci. Nat. 

 Paris, 2nd ser. vol. xvi. 1841, p. 320 : Auckland Islands. 



Synonym : — 



Meryamer cmsirnlis Buller, Suppl. vol. ii. p. 21. 



Bange : — Auckland Islands (breeding). 



