S. American Eocene, i. 148

Arvicola, ii. [230], [231]

Asio, ii. [350]

Aspergillum, ii. [537]

Aspidoparia, ii. [452]

Aspidorhinus, ii. [391]

Aspidura, ii. [374]

Aspius, ii. [453]

Aspredo, ii. [444]

Aspro, ii. [425]