Page 

 Adams, Arthur, F.L.S., Surgeon R.N. (continued). 



Coutributions towards a Monograph of the Tro- 

 cA26?«, a family of Gasteropodous Mollusca 1851, 150 ^ 



A Monograph of Scutus, a genus of Gasteropodous 

 Mollusca, belonging to the Family Fissurellidce .... 1851, 221 



A Monograph of the Genus Monoptijgma of Lea . . 1851, 222 

 Descriptions of New Shells from the Cumingian 

 Collection .\^ 1851, 224 "^ 



Note on the Genus Nematura 1851, 225 



A Monograph of the Recent Species of Bimula, a 

 genus of Mollusca, belonging to the Family Fissurel- 

 lidce 1851, 226 



A Monograph of Puncturella, a genus of Gastero- 

 podous Mollusca, belonging to the Family Fissurel- 

 lidce 1851, 227 



Descriptions of Sixteen New Species ofRissoina, a 

 genus of Marine Gasteropodous MoUusks, from the 

 Cumingian Collection 1851, 264 



Descriptions of several New Species of Murex, RiS' 

 soina, Planaxis, and Eulinia, from the Cumingian Col- 

 lection 1851, 267 



Descriptions of New Species of Eulima, Triphoris, 

 &c., from the Collection of Hugh Cuming, Esq 1851, 276 



Descriptions of New Shells, from the Cumingian 

 Collection ;. . 1852, 90 ^ 



Descriptions of a New Genus, and of several New 

 Species, of Mollusca, from the Cumingian Collection 1852, 92^ 



Descriptions of New Shells, from the Collection of 

 Hugh Cuming, Esq 1853, 69 ^ 



Descriptions of New Species of Semele, Rhizochilus, 

 Plotia, and Tiara, in the Cumingian Collection .... 1853, 94 



Descriptions of New Species of the Genua Conus, 

 from the Collection of Hugh Cuming, Esq 1853, 116 



Monograph of Plecotrema, a New Genus of Gastero- 

 podous MoUusks, belonging to the Family Aurieu- 



1* 



