[204] Pinna, a fin; gradus, a step.
[205] From the Greek, θρίξ, a hair, and ἔχω, I have.
[206] From the Greek, οὖς, ὠτός an ear.
[207] From the Greek, φώκη, a seal.
[208] Trichechus rosmarus.
[209] Otaria ursinus, the genus Callorhinus of certain authorities.
[210] Otaria Stelleri, the genus Eumetopias of Gray and others.
[211] Otaria Gilliespii.
[212] Otaria Hookeri, the genus Arctocephalus and Phocarctos of Gray.
[213] Otaria albicollis, the Neophoca lobata of Gray.