END OF THE EIGHTEENTH VOLUME DIRECTIONS FOR PLACING THE PLATES OF VOL. XVIII.

PART I.

| Plate | Page | |-------|------| | CCCCLXII. to face | 88 | | CCCCLXIII. CCCCLXIV. | 268 | | CCCCLXV. | 280 | | CCCCLXVI. | 316 | | CCCCLXVII. | 348 |

PART II.

| Plate | Page | |-------|------| | CCCCLXVIII. | 452 | | CCCCLXIX. | 524 | | CCCCLXX.—CCCCLXXVI. | 568 | | CCCCLXXVII. | 580 |