A Reference List of the Birds of New Zealand. 243 



than that subspecies and have also shorter wings. The bill 

 averages 71 mm. against QQ mm. in the typical form and 

 75 mm. in ■ H. t. strenua ; the wing averages 400 mm. as 

 compared with 420 mm. in H. t. strenua. 

 Type in the British Museum. 



Genus TIIALASSEUS. 

 Thalasseus Boie, Isis, 1822, p. 563. 



Type (by subsequent designation) : T. sandvicensis 

 (Latham). 



Thalasseus bergii rectirostris (Peale). Fijian Crested 

 Tern. 

 Sterna rectirostris Peale, U.S. Expl. Exped., Zool. 1848, 

 p. 281 : Fiji Islands. 



Synonym : — 



Sterna bergii Oliver, Trans. New Zeal. Inst. vol. xliv. 1912, 

 p. 215. [The type-locality of Sterna bergii Lichtenstein, 

 Verzeiclin. Doubl. Zool. Mus. Berl. 1823, p. 80, is Cape of 

 Good Hope.] 



Range : — Kermadec Islands (one occurrence recorded by 

 Oliver as above would be referable to the Fijian form). 



Genus STERNA. 



Sterna Linne, Syst. Nat. 10th ed. 1758, p. 137. 

 Type (by tautonymy) : S. hirundo Linne. 



Sterna albistriata albistriata (Gray). Black-fronted Tern. 



Hydrochelidon albistr^iata Gray, Voy. 'Erebus' and 'Terror,' 

 Birds, 1845, p. 19 : New Zealand. 



Synonyms : — 



Sterna antarctica (not Lesson) VVagler, Isis, 18.31 , p. 1223 : New 



Zealand. 

 Sterna albistriata BuUer, Suppl. vol. i. p. 158. 



Range : — New Zealand (breeding) . 



Note : — In the ' Subantarctic Islands of New Zealand,' 

 vol. i. 1909, p. 556, Waite noted discrepancies in the dates 

 of publication of the ' Erebus ' and ' Terror ' birds. 

 Mr. Sherborn informs us that pages 1 to 8 were published 

 in 1844, and pages 9 to 20 in 1845. 



SER. X. VOL. I. S 



