356 GINGLYMACONCHA. ANOMIAD. 
acute umbo. Length five-eighths of an inch; height three- 
eighths of an inch. 
Anomia Lens, Lam. Hist. Nat. des Anim. sans Vert. vi. patt. 
i. 228. 
One specimen of this species was found by Mr. Varley ad- 
hering to chalk-rocks near Dover ; Lamarck says it inhabits 
the European ocean. 
7. ANOMIA CYMBIFORMIS. 
Shells with their valves oblong, rough, concentrically strio- 
lated, the umbones recurved ; the foramen oval. Length half 
an inch; height three-eighths of an inch. 
Anomia cymbiformis, Schroét. Hinl. in Conch. ii. t.1x. f. 13; 
M. §& R. Trans. Linn. Soc. viii. 104; Flem. Edinb. Encyel. 
vil. 99. 
Anomia cylindrica, Dill. Desc. Cat. 291 ; Turt. Conch. Dict. 
6. 
Inhabits the sea on the coasts of Devon, adhering to marine 
plants and to Sertularie. 
8. ANOMIA PELLUCIDA. 
Shells with their valves rounded, very thin, pellucid, wrin- 
kled, the umbones very small and margined; the left valve 
very convex ; the epidermisamber. Length one inch; height 
five-eighths of an inch. 
Anomia pellucida, Brown, Trans. Wern. Soe. i. 514. 
Inhabits the British and Atlantic seas. 
9. AnomiA CEPA. 
Shells with their valves suborbicular, pellucid, sculptured 
with very obtuse, obsolete, divaricating ribs; the epidermis 
reddish violet. Length one inch; height a quarter of an 
inch. 
Anomia Cepa, Linn. Syst. Nat. 1151; Knorr, Vergn. t. ix. 
f.5; Gmel. Syst. Nat. 3340; Schroét. Binl. ii. 384; Poli, 
Test. ii. 182. t: xxx. f. 1-8; Murr. Fund. Test: tmiivte. 
Chem. Conch. vii. t. Ixxvi. f. 694, 695; Brug. Encyel. 
