This species, according to the figure, is very like Orca latirostris.
6. Orca tasmanica.
Orca gladiator, var. australis, Gervais, Ostéogr. Cét. t. 47. fig. 1.
Inhab. Tasmania. Skull about 32 inches long.
7. Orca rectipinna.
Orca rectipinna, Cope, Proc. Acad. Nat. Sci. Philad. 1869, p. 12.
No white spot behind eye.
Inhab. California.
8. Orca atra.
Orca ater, Cope, l. c. 1869, p. 12.