PLATE X. 



FIG. 



1. Anomia ephippium . Wrinkled Anomia. 



2. Mytilus edulis . . . Common Muscle. 



o TIT A -i -j. -j> \ ( Pearl-bearing 



3. Mytilus margantiferus 1 j Muscle 



4. Pinna pectinata . . . Spiny Sea Wing. 



5. Chiton squamosus . . Scaly Chiton. 



6. Lepas tintinnabulum 2 | 



7. Lepas anatiferd 6 . . Duck Barnacle. 



-nu i j-j f White Stone- 



8. Pholas Candida . . . j 



1 Meleagrina margaritifera of Lamarck. 



2 Balanus tintinnabulum ditto. 



3 Anatifa /cew's ditto. 



