range of Oriental genus, i. 374

range of Australian genus of, i. 476

Sirenia, European Pliocene, i. 112

European Miocene, i. 119

SIRENIA, ii. [210]

SIRENIDÆ, ii. [411]

SIRENOIDEI, ii. [458]

Sirystes, ii. [101]

Sisor, ii. [444]

Sitana, ii. [402]