IV. JOURNAL OF CONCHOLOGY, VOL. 9, NO. 12, OCTOBER, I90O. 



page 

 Stubbs, A. G. Observations on abnormal specimens of Planorbis 



spirorbis and other freshwater shells at Tenby ... 106—108 



Observations on Limmea peregra ... ... ... 112 



Adams, L. E. Anon ater var. rubra Baud., new to Britain ... 112 



Clausilia cserulea Fer. , in Hants. ... ... ... 112 



Stanuen, R. Notes on the land mollusca of Grange-over-Sands, 



Lancashire ... ... ... ••• - IX 3 — IX 4 



Adams, L. E. Paludestrina jenkinsi Smith, in two new Irish localities 114 



Melvill, J. C. On Latirus armatus Ad. ... ... 115— 117 



Cooper, J. E. Valvata cristata Mull. ... ... ... ... 119 



Marshall, J. T. Additions to " British Conchology " (continued) 120- 138 

 Collier, Edward. Pupa anglica Fer., var. alba nov. ... ... 152 



Madison, J. Discovery of a Physa new to Britain ... ,.. 152 



Melvill, J. C. Note on Mitra (Pusia) rhodochroa Hervier and M. 



rhodinosphaera Melv. ... ... ... ... ... 15 2 



Masefield, J. R. B. The economic use of some British mollusca : 



Presidential Address ... ... ... ... 153 — 164 



Jones, K. Hurlstone. Limnsea peregra abandoning its shell ... 164 



Horsley, Rev. J. W. Additional note on Gecilioides acicula ... 164 



Marshall, J. T. Additions to "British Conchology" (continued) 165 — 171 

 Byne, L. St. G. The corrosion of shells in cabinets, with prefatory 



note by J. C. Melvill ... ... 172—178 



Melvill, J. C. Note on Scalaria nmbriolata Melv. ... ... 181 



Standen, R. Vertigo pusilla Midler in Lancashire and Westmorland 181 



Jones, K. Hurlstone* Helices climbing in dry weather ... ... 184 



Melvill, J. C. , and R. Standen. Herviera, a new genus of Pyra- 



midellidse ... ... ... ... ... ... 185 



Swanton, E. W. The land and freshwater mollusca of Somersetshire 187—203 

 Span, Bartlet. A contribution towards a list of the marine mollusca 



of Tenby and neighbourhood ... ... ... 203 — 211 



Taylor, F. — Helix acuta monstr. sinistrorsum at Tenby ... ... 211 



Bliss, J. Note on Clausilia semidenticulata Pfr. ... ... ... 211 



Oldham, Chas. Limax cinereo-niger in Carnarvonshire and Den- 

 bighshire ... ... ... ... ... ... ... 211 



Nordlinger, Clara. Obituary notice of the late Joseph Charles 



Hippolyte Crosse ... ... ... ... ... 212 — 215 



Greene, Rev. Carleton. Fusi on the Norfolk coast ... ... 215 



Standen, R. Remarks on the cause of abnormality in Planorbis 



spirorbis ... ... ... ... ... ... 216 — 217 



Standen, R. Vertigo moulinsiana Dupuy in Cambridgeshire 217 



Welch, R. Helices abandoning their shells ... ... ... 217 



Melvill, J. Cosmo, and R. Standen. Note on the genus Herviera 221 



Standen, R. Vertigo alpestris Alder in Lancashire ... ... 221 



Marshall, J. T. Additions to " British Conchology" (continued) 222 — 232 

 Standen, R. Clausilia (Alinda) biplicata H. & A. Adams v. alba nov. 232 



