[763] Natural History, XXVIII, 2.

[764] XII, 248, 284-85, 290.

[765] XII, 293.

[766] XIV, 255. (To Piso on theriac.)

[767] XII, 291-92.

[768] XII, 298.

[769] XII, 304.

[770] XII, 342.

[771] XII, 276-77.

[772] XII, 367-69.