OCEANIC MAMMALS 483 



MESOPLODON DENSIROSTRIS (Blainville) 



Delphinus densirostris Blainville, Nouv. Diet. d'Hist. Nat., ed. 2, vol. 9, p. 178, 1817 

 (Indian Ocean). 



Range: Indian Ocean, Australian Seas, and North Atlantic. 



MESOPLODON EUROPAEUS (Gervais) 



Dioplodon europaeus Gervais, Zool. et Paleontol. Frangaises, ed. 1, vol. 2, p. 4, 1848- 

 52 (English Channel). 



Range: North Atlantic. 



MESOPLODON GRAYI (Haast) 



Oulodon grayi Haast, Proc. Zool. Soc. London, 1876, pp. 7, 450, pi. 26 (Chatham 

 Islands). 



Range: Australian Seas, to New Zealand. 



LA YARD'S BEAKED WHALE; STRAP-TOOTHED WHALE 

 MESOPLODON LAYARDII (Gray) 



Ziphius layardii Gray, Proc. Zool. Soc. London, 1865, p. 358, fig. (Cape of Good 

 Hope). 



Range : Southern Ocean from Cape of Good Hope to Australia 

 and Tasmania and Patagonia. 



HECTOR'S BEAKED WHALE 

 MESOPLODON HECTORI (Gray) 



Berardius hectori Gray, Ann. Mag. Nat. Hist., ser. 4, vol. 8, p. 117, 1871 (Tatai Bay, 



Cook Straits, New Zealand). 

 FIG.: Hector, in Knox, 1871, pis. 14, 15. 



Range: New Zealand Seas. 



i 



TRUE'S BEAKED WHALE 

 MESOPLODON MIRUS True 



Mesoplodon mirum True, Smithsonian Misc. Coll., vol. 60, no. 25, p. 1, Mar. 14, 1913 

 (Beaufort Harbor, North Carolina). 



Range: North Atlantic. 



LONGMAN'S BEAKED WHALE 

 MESOPLODON PACIFICUS Longman 



Mesoplodon pacificus Longman, Mem. Queensland Mus., vol. 3, p. 269, pi. 43 (skull), 

 Mar. 31, 1926 (Mackay, Queensland). 



Range: Australian Seas. 



