94 



March 25, 1851. 



William Yarrell, Esq., Vice-President, in the Chair. 



The following papers were read : — 



1. Catalogue of the species ofNassa, a genus of Gastero- 

 podous mollusca belonging to the family buccinid.«, 

 IN THE Collection of Hugh Cuming, Esa., with the 



DESCRIPTION OF SOME NEW SPECIES. By ArTHUR AdAMS, 

 F.L.S. ETC. 



Subgenus Nassa. 



Shell cassiform ; spire short ; inner Up with the callus greatly de- 

 veloped. 



A. Shell ribbed or nodulous. 



1. Nassa arcularia, Linn. 



Buec. arcularia, Linn. ; List. Conch, pi. 970. f. 24 ; Kien. Bucc. 

 pi. 28. f. 115. 



Hab. Mauritius; Philippines, on the reefs {H. C). 



2. Nassa pullus, Linn. 



Bucc. pullus, Linn. ; Gualtieri, Test. pi. 44. fig. R; Kien. Mon. 

 Bucc. pi. 28. f. 114. 

 Hah. .? 



3. Nassa coronata, Brug. 



Bucc. coronatum, Brug.; Gualtieri, Test. pi. 44. fig. C, D; Kien. 

 pi. 28. f. 112. 



Hab. Philippines, on the reefs {H. C). 



4. Nassa mutabilis, Linn. 



Bucc. mutabile, Linn. ; List. Conch, t. 975. f. 30; Kien. pi. 24. 

 f. 30. 



Hab. Red Sea; Philippines, coarse sand, 6 fathoms {H. C), 



5. Nassa marginulata. Lam. 



Bucc. marginulatum. Lam.; Gualtieri, pi. 44. fig. n ; Kien. Mon. 

 Bucc. pi. 29. f. 117. 



Hab. Cagayan, Philippines {H. C). 



6. Nassa tiarula, Kien. 



Bucc. tiarula, Kien. Mon. Bucc. pi. 30. f. 4. 



Hab. Isle of Ticao, Philippines, under stones {H. C). 



7. Nassa polygonata. Lam. 



Bucc. poly gonatum, Lara. Voy. de I'Astrol. pi. 32. f. 28, 29. 

 Hab. Port Jackson, New Holland. 



