Plate I. (Frontispiece).

1. & 2. Helix pomatia. Vine Snail.

3. & 4. Helix nemoralis. Wood Snail.

5. Helix aspersa. Common Garden Snail.

6. Helix Pisana. Banded Snail. Plate II. Pholas dactylus. Piddock or Clam. Plate III. 1. Mya truncata. Gaper.

2. Solen siliqua. Razor-shell. Plate IV. 1. Psammobia vespertina. The Setting Sun.

2. Mactra solida. Trough Shell. Plate V. 1. Tapes pullastra. Pullet.

2. Venus verrucosa. Warty Venus. Plate VI. Isocardia cor. Heart-Shell or OxhornCockle. Plate VII. 1. Cardium edule. Common Cockle.

2. Cardium rusticum. Red-nose Cockle. Plate VIII. 1. Mytilus edulis. Common Mussel.

2. Ostrea edulis. Oyster. Plate IX. Pinna pectinata. Sea-wing.

Plate X. 1. Pecten opercularis. Painted Scallop.

2. Pecten maximus. Scallop. Plate XI. 1. Haliotis tuberculata. Ormer or Sea-ear.

2. Patella vulgata. Limpet. Plate XII. 1. Buccinum undatum. Whelk.

2. & 3. Littorina littorea. Periwinkle.