94 
March 25, 1851. 
William Yarrell, Esq., Vice-President, in the Chair. 
The following papers were read :— 
1. CATALOGUE OF THE SPECIES OF NassA, A GENUS OF GASTERO- 
popous MoLLusCcA BELONGING TO THE FAMILY BUCCINID&, 
IN THE COLLECTION oF Hueu Cumine, Ese@., WITH THE 
DESCRIPTION OF SOME NEW SPECIES. By ARTHUR ADAMS, 
F.L.S. ere. 
Subgenus Nassa. 
Shell cassiform ; spire short ; inner lip with the callus greatly de- 
veloped. 
A. Shell ribbed or nodulous. 
Noe 1, Nassa ARCULARIA, Linn. 
Buce. arcularia, Linn. ; List. Conch. pl. 970. f. 24; Kien. Buce. 
pl. 28. f.115. 
Hab. Mauritius ; Philippines, on the reefs (H. C.). 
wos 2. Nassa puLLus, Linn. 
= Buce. pullus, Linn. ; Gualtieri, Test. pl. 44. fig. R; Kien. Mon. 
Buce. pl. 28. f. 114. 
Hab. ? 
wow 3. Nassa coronata, Brug. 
Sr Buce. coronatum, Brug.; Gualtieri, Test. pl. 44. fig. C, D; Kien. 
pl. 28. f. 112. 
Hab. Philippines, on the reefs (H. C.). 
rson 4, Nassa MuTABILIs, Linn. 
fh Buce. mutabile, Linn. ; List. Conch. t. 975. f. 30; Kien. pl. 24. 
f. 30. 
Hab. Red Sea; Philippines, coarse sand, 6 fathoms (H. C.). 
nom 5. NAssA MARGINULATA, Lam. 
 Buce. marginulatum, Lam.; Gualtieri, pl. 44. fig. 2 ; Kien. Mon. 
Buce. pl. 29. f. 117. 
Hab. Cagayan, Philippines (H. C.). 
Son 6. Nassa TIARULA, Kien. 
S“ Buce. tiarula, Kien. Mon. Buce. pl. 30. f. 4. 
Hab. Isle of Ticao, Philippines, under stones (H. C.). 
won 7. NASSA POLYGONATA, Lam. 
Buce. polygonatum, Lam. Voy. de I Astrol. pl. 32. f. 28, 29. 
Hab. Port Jackson, New Holland. 
