Antarctic Ocean and South Seas.
- Otaria jubata. S. America and islands.
- Phocarctos Hookeri.
- Arctocephalus nigrescens.
- A. falklandicus.
- Arctophoca Philippii. S. America.
- Arctocephalus antarcticus. Africa.
- A. nivosus. Africa.
- A. cinereus. Australia.
- A. Forsteri. New Zealand.
- Neophoca lobata. Australia.
North Pacific and West Arctic Ocean.
- Callorhinus ursinus. West coast of America.
- Zalophus Gilliespii. West coast of America and Japan?
- Eumetopias Stelleri. West coast of America.
Order CETACEA.
Teeth all similar, conical, sometimes not developed. Palate often furnished with transverse plates of baleen or whalebone. Body fish-shaped, smooth, bald. Limbs clawless; fore limbs fin-shaped; hinder united, forming a forked horizontal fin. Nostrils enlarged into blowers. Teats two, inguinal.—Carnivorous.
They may be divided by the form of the pectoral fin, thus:—
I. Pectoral fin broad, truncated or rounded at the end; fingers 5, shorter than the arm-bones, subequal, gradually shorter in the series.—Balænidæ, Catodontidæ, Susoidea, Orcadæ, Belugidæ, Pontoporiadæ, Hyperoodontidæ, Epiodontidæ, Ziphiidæ.
II. Pectoral fin elongate, obliquely truncated on the inner side; fingers 5, elongate, longer than the arm-bones, the second and third much longer than the rest.—Iniidæ, Delphinidæ, Grampidæ, Globiocephalidæ.