[350] XXVIII, 9.

[351] XXVIII, 9-11.

[352] XXVIII, 7.

[353] VII, 2.

[354] XXVIII, 6.

[355] XXII, 49.

[356] XXIV, 102.

[357] In this paragraph I have combined views expressed by Pliny in three different passages: XXII, 49 and 56; XXIV, 1.

[358] IX, 88; XXIV, 1; XXVIII, 23; XXXII, 12; XXXVII, 15; etc.

[359] XXIV, 1; XXIX, 17.