CONCHOLOGY, 
ANOMIA. 
Shell with the under valve flat, and perforated 
near the hinge : teeth none. 
1. Anomia ephippium. Brit. Zool. pl. 65.— 
Donovan, pl. 26, 
2. A.-cepa. © Turton, ¢..18. fig. 4, 
3. A.squamula, Turton, t. 18. fig. 5. 6. 7. 
4, A. A, aculeata, Montague, t. 4. fig. 5. 
§ A.cymbiformis, Lim, Trans, vol. 8 t. 3. 
Jig. 6. 
6. A. undulata. Turton, t. 18. fig. 8. 9. 10. 
7. A. furnicata, Turton, t. 18, fig. 12. 13. 
MYTILUS., 
Shell generally fixed by a beard of silky fila- 
ments: hinge without teeth, marked by a longi- 
tudinal groove, which is sometimes finely notched. 
]. Mytilus edulis, rit, Zool, pl. 66. fig. 2.— 
Donovan, pl. 128. 
2. M. barbatus. Brit. Zool. pl. 67. fig. 2.— 
Donovan, pl. 70. 
This is considered as a bearded variety of the last. 
3. M. peilucidus. rit. Zool. pl. 66. fig. 3.— 
Donovan, pl. 81. 
4, M.discors. Denovan, pl. 25.—Da Cosia, 
pl. 17. fg. 1. 
. M. discrepans, Montague, pl. 26. fig. 4. 
Found on fresh Oysters. 
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