page 50 note * These and the following numbers refer to Mollusca only.

page 53 note * Locally called “Bargate stone.”

^{page 53 note †} Along the North Downs. A pebble-bed also occurs in the cliff north of Shanklm chine, holding exactly the same position in the Greensand.

^{page 53 note ‡} Quar. Jour. Geol. Soc. vol. xii. p. 50.

^{page 53 note §} My reason for looking northward for such land-surface arose partly from the fact of the pebble-beds becoming gradually thicker, and their compouent parts coarser, in that direction.