234 CO^ CUY LI A— DITIIYR J. 50. 



Shell from a quarter to half an inch in diameter, flat, rounded 

 or oblong, sometimes truncate at the top, bro«vn or whitish, co- 

 vered with concave or prickly scales disposed in longituilinal 

 lines down the raised stria? ; the under valve sometimes but 

 rarely prickly on the outside. 



foniicaia. Anomia fpstci subovhiculari, striis minutis, valcd superiori intus 

 sub timhonevi fornivatu. 

 Shell somewhat orbicular and finely striate, the upper valve 

 furnished with a vaulted chamber on the inside under the beak. 

 Tab. jwst. 18, fig. 12, 1.3. 

 Anomia fornicata. Lamarck, Syst. vi. p. 228. 

 Mus. nost. From Torbay. 



Shell about half an inch in diameter, white and rather flat 

 orbicular or inclining to oblong, irregularly sinuous on the mar- 

 gin at the sides, with numerous extremely fine radiating striae 

 which are only visible towards the margin, and on the narrower 

 or hinge part are as fine and regular transverse ones: hinge 

 pointed, terminal : inside silvery, with fine longitudinal strife 

 round the margin; and under the hinge is a large hollow vaulted 

 chamber, which on one side is much curved and scaly on the 

 outside ; the under valve is flat and silvery, with the perforation 

 round and nearly closed. 



tubuiaiis. Anomia testa orhumlari, valvar inferioris foramine integro cy- 

 lindrico-tuhnlari. 

 Shell orbicular, with the perforation of the under valve entire 



and forming a cylindrical tube. 

 Mus. nost. Attached" to Fuci, 



