[181] Pinnipedia.
[182] Otariidæ (ous, otos, an ear), eared Seals.
[183] Callorhinus (Otaria) ursinus.
[184] Phoca vitulina.
[185] Hence their name Sirenia, a curious name for voiceless animals.
[186] Cetacea—cete, a whale.
[187] Megaptera.
[188] Phocæna communis.
[189] Orca gladiator.
[190] Picture heading, [Chap. II].