351 



PAGE 



Placima, anterior to Placenta . 302 

 Planispira quadrifasciata and 



synonymy .... 324 



subatacta, n.sp. . . 322 



Plaxipliora (Maorichiton) mixta, 



n.sp. ..... 33 



Plectopylis (CherscEcia) keng- 



tungensis, n.sp. . . . 53 

 Plectotropis nutans, n.sp. . 56 



jPlesioteuthis 2)risca . . 313 



Plesiotrochus ceylonicus, n.sp. . 215 



list of species . . . 215 



Pollia, Gray, anterior to Tri- 



tonidea, Swainson . .177 



Polyplacophora, notes on . . 123 



Post-Pliocene Mollusca at Ape- 



thorpe 211 



Presidential addresses . 100, 249 

 Preston, H. B., ' On a new and 

 remarkable sub - species of 

 Limncca pereger, Miill., from 

 Iceland ' . . . .11 



' Description of new species 



of Land and Marine Shells 

 from the Montebello Islands, 

 Western Australia ' . .13 



' Characters of new Land 



and Freshwater Shells from 



the Naga Hills, Assam ' . 19 



' Characters of three new 



species of Ennea from Southern 

 Nigeria ' . . . . 134 



' On Marginella shackle- 



fordi, nom. nov. for 

 M. eburnea, Preston, non 

 Lamarck ' . . . . 312 



Psammobia ecolorata, n.sp. . 18 

 Pterocyclos prestoni, Bav. and 

 Dtz., synonym of P. cochin- 

 cliinensis (Fir.) . . . 237 

 Pterocyclus mariona, n.sp. . 22 

 Ptycliostomon, preoc. . . 338 



Punctum pygmcBUtn, radula . 159 

 PiqMides, Ferus., inadmissible . 176 

 Purpura lapillus (L.), geogra- 

 phical distribution . . 193 



lapillus, sinistral . . 154 



Pyramidula rotundata, radula 160 



ntjjcstris, radula . . 160 



Pyrgiscidiis .... 338 

 Pyrgiscus .... 338 



Pyrgostelis .... 338 

 Pyrgulina fcnestrata . . 337 



R 



Eadulas of British Helicids . 156 

 the mounting of . . 272 



PAGE 



Ranella leucostoma, Lamk. 



synonym of Charonia austra 



lasiana (Perry) 

 Retusa, discussed 

 Eeynell, A., see Sherborn and 



Reynell ... 



Rhagada montebelloensis, n.sp 



plicata, n.sp. . 



Rhiostoinamorleti,T>iz. Ik's isch.. 



synonym of Pterocyclos pres 



toni, var. depicta . 

 Rhomalea, Jukes-Browne . 

 Rhoviboidella p)rideaux, vice 



Crenella rhombea 

 Rhyssoplax exasperata, n.sp. 

 Ringicula truncata, n.sp. 

 Rissoella, vice Jeffreysia . 

 Boss, ' Voyage of Discovery to 



the Arctic Regions,' 2nd ed 



Vol. ii contains diagnoses of 



genera and species 



283 

 300 



276 

 13 

 13 



237 



84 



340 



41 



214 



332 



246 



Salacia, Jukes-Browne 



Shaw, H. 0. N., ' Descriptions 



of colour varieties of Conus 



quercinus, Hwass. , and Cyprcea 



lamarckii. Gray ' . 

 Sherborn, CD., and Eeynell, A., 



' Notes on Swainson's Exotic 



Conchology ' ... 



Sikes,F.H., ' Notes on the Land 



and Freshwater Shells of Texel 



and Terschelling ' . 

 Skenea, type Helix serpu- 



loides, Montagu . 

 Skeneidffi, Iredale 

 Skeneopsidse, Iredale 

 Skeneopsis, n.gen. 

 Smith, E. A., ' Note on Haliotis 



sieboldii, Reeve ' . 

 Obituary notice of W. Moss 



' A list of Australian Mac- 



tridee, with a description of a 

 new species ' ... 



' On Ranella leucostoma , 



Lamarck' .... 



' A list of the known species 



of Clausilia from China ' 



Solecurtus antiquatus, vide 

 Azor ..... 



discussed 



Solenotellina liaynesi, n.sp. 



Sowerby, G. B., 'Descriptions 

 of new species of Mollusca 

 from New Caledonia, Japan, 

 and other localities ' 



81 



210 



276 



191 



291 

 292 

 292 

 292 



4 

 98 



137 

 283 

 343 



341 



306 

 18 



