CONCHOLOGY. 
4, M. pretenuis. Montague, pl. 1. fig. 2.— 
Donovan, pl. 176. 
5. M. distorta. Montague, pl. 1. fig. 1. 
G. M. bideutata. Montague, pl. 26. fig. 5. 
A minute species, buried in the back of old thick 
oyster shells, just below the surface. 
G. 
8. 
9. 
10. 
ik. 
12. 
13. 
14, 
15. 
substriata. Montague Supplement, page 25. 
Very minute, hardly excceding the tenth of an 
inch in diameter, and dredged up among corrallines, 
M. 
M. 
. purpurea. Montugue Supplement, page 21, 
. ovalis. Turton, pl. 8. fig. 1. 2. 
. Stirata. Turton, pl. 8. fig 6. 7. 
. dubia, Turton, pl. 2. fig. 8. 9. 
.convexa. Turton, pl. 4. fig. 1. 2. 
. substirata, Turton, pl. 11. fig. 9, 10. 
incequivalvis. Montague, pl, 26. fig. 7. 
suborbicuiaris. Montague, p/. 26. fig. 6. 
GALEOMMA. 
Shell equivalve, equilateral, tranverse, with a 
Jarge oval gape at the front margin; hinge without 
teeth : ligament internal, 
1. Galeomma Turtoni. 
A new genus of Shells, discovered and described 
by Dr. Turton, and figured in the Zoological 
Journal, vol, 2. plate 13. fig. 1. 
SOLEN. 
Shell oblong, open at both ends, with a refleeted 
