338 



B. AOKI : 



179. Orca orca (Linn.). 



Delphinus orca, Linnaeus, S. N., (io), p. 77 (1758). 

 Delphinus gladiator, Bonnatcrre, Cet., pp. 22, 23 (1789) ; Lacépède, 

 Hist. Nat. Cétacées, p. 302 (1804). 



Grampus sakamata, Gray, Zool. Erebus and Terror, p. 31 (1846). 

 Nom. Jap. Sakamata or Shachi. Nom. Ang. Killer or Grampus. 



Gen. Grampus Gray. 



Grampus, Gray, Zool. Erebus and Terror, p. 30 (1846) ; Flower, 

 P. Z. S., 1883, p. 510. 



180. Grampus griseus (Cuv.). 



Delphinus griseus, Cuvier, Ann. Mus. Paris, xix, p. 14 (18 12). 

 Grampus sakamata, Gervais, Ostéographie Cétacés (1880). 

 NOM. Ang. Risso's dolphin. 



Gen. Layenorhynchus Gray. 



Lagenorhynchus, Gray, Zool. Erebus and Terror, p. 35 (1846) ; 

 Flower, P. Z. S., 1883, p. 48g; Blanford, Fauna. Brit. Ind. Mamm., 

 p. 579 (1888-91). 



181. Lagenorhynchus acutus (Gray). 



Delphinus acutus, Gray, Spie. Zool., i, p. 2 (1828). 



Delphiuus eschrichtii, Schlegel, Abhan. Gebiet. Zool., i, p. 23, pis. 

 i, ii, fig. 4, iv, fig. 5 (1841). 



Delphinus leucopleurus, Rasch, Nyt. Mag. Naturvidens, iv, p. 97, 

 pis. ii, iii (1843). 



Lagenorliynchus leucopleurus, Gray, Zool. Erebus and Terror, p. 

 34 (1846) ; Blyth, Cat., no. 281, p. 91. 



Leucopleurus arcticus, Gray, Supp. Cat. Seals and Whales, p. 78 

 (1871). 



