GINGLYMACONCHA. ANOMIADZ. 5 
Anomia aculeata, Gualt. Test. t. lxvii. f. 702; Miill. Zool. Dan. 
Prod. 3005; Chem. Conch. viii. t. Ixxvii. f. 702 ; Mont. 
Test. Brit. 155. t. iv. f.5; M.§ R. Trans. Linn. Soe. vii. 
103; Flem. Edinb. Encycl. vii. 99 ; Dill. Desc. Cat. 288. 
This species is found on the coasts of Devon and Cornwall, 
and on the southern coasts of Ireland, adhering to the roots of 
Fucus digitatus and other marine plants. 
4. ANOMIA SQUAMOSA. 
Shells with both their valves squamose, the scales arranged 
concentrically in regular series, the middle of the left valve re- 
flexed ; the epidermis white. Length and height three-eighths 
of an inch. 
Anomia aculeata, Turt. Conch. Dict. 4? 
Inhabits the British seas, adhering to the roots of marine 
plants. 
5. ANOMIA UNDULATA. 
Shells with the margins of their valves wrinkled; the left 
valve sculptured with arched concentric strize, and with other 
divaricating undulated striz ; the right valve smooth, with a 
wide oval foramen; the epidermis whitish, pale fuscous, ru- 
bescent or purplish. Length an inch and a half; height one 
inch. 
Anomia undulata, Lister, Anim. Angl. t. iv. f. 27 ; Conch. ccil. 
f. 36; Mill. Zool. Dan. Prodr. 3003 ; Chem. Conch. vii. 
t. Ixxvii. f. 699; Brug. Encyel. t. clxxxiv. f. 5, 6; Mont. 
Test. Brit. 153, 157, t. iv. f. 6, 580; Flem. Edinb. Eneyel. 
vil. 99; Dill. Bese. Cat. 289; Turt. Conch. Dict. 4. 
Ostrea striata, Da Costa, Brit. Conch. 102. t. uu. f. 4; Pult. 
Cat. Dorset. 36. t. i. f. 4; Donov. Brit. Shells, t. xlv. 
Inhabits the southern coasts of Devon, Cornwall and Ireland, 
adhering to rocks. 
6. AnomiaA LENs. 
Shells with their valves elliptic; the right valve slightly 
convex, the foramen small and oval; the left valve with an 
