iv. JOURNAL OF CONCHOLOGY, VOL. II, NO. 12, OCTOBER, I906. 



Jennings, F. B. Helix pomatia m. sinistrorsum in Surrey ... ... 96 



Jukes-Browne, A. J. On some Questions of Nomenclature ... ... 97 



Madison, J. Testacella scutulum in Worcestershire ... ... ... 103 



Thornewill, Rev. C. F. Obituary Notice of Philip Brookes Mason ... 104 



Jackson, J. Wilfrid. Report on the Miller's Dale Ramble ... ... 105 



Roebuck, W. Denison. Re-establishment of Limax tenellus as a British 



Species ... ... ... ... ... ... ... xo6 



Collier, Edward. The Conchological Differences between the Genera 



and Sections of the Pupininee ... ... ... .., ... no 



Jackson, J. Wilfrid. Report on the Fleetwood Ramble ... ... 115 



Oldham, Charles. W. D. Crick, F.G.S. ... ... ... ... ii6 



Melvill, J. C, and R. Standen. The Cyprceid?e of the Persian Gulf, 



Gulf of Oman, and North Arabian Sea, as exhibited in Mr. F. W. 



Townsend's Collections, 1893-1904 ... ... ... ... 117 



Roebuck, W. Denison. Radnorshire Slugs... ... ... ... 128 



Pearce, Rev. S. Spencer. Testacella haliotidea var. flavescens Moq.-Tand. 137 



Lucas, B. R. Report on the Northwich Ramble ... ... ... 137 



Scharff, R. F. The Origin of the Land and Freshwater Mollusca at 



present living in the British Isles (Presidential Address) ... ... 138 



Taylor, Fred. Vivipara contecta var. atro-purpurea nov. at Wicken Fen, 



Cambs. ... ... ... ... ... ... ... 144 



Hutton, W. H. Limnsea stagnalis var. umbilicata ... ... ... 144 



Dall, W. H. Note on the Name Glycymeris ... ... ... 145 



Dean, J. Davy. New Records for West Lancashire ... ... ... 146 



Dean, J. Davy, and J. Wilfrid Jackson. Notes on a Chara and Shell- 

 Marl Deposit at Hawes Water, Silverdale, Lanca.shire ... ... 147 



Span, Bartlet. Scalariform Natica catena .. .. ... ... 159 



Melvill, J. C, and R. Standen. Rostellaria delicatula Nevill : Notes 



upon its distribution and limits of variation ... ... ... i6l 



Hudson, Baker. The Rev. John Hawell, M.A., F.G.S. ... ... 164 



Adams, Lionel E. Conchological Notes from the United States ... 165 

 Sherborn, C. Davies. On the Dates of Publication of D'Orbigny's 



" Moll. viv. et foss," " Paleont. univ.," and " Paleont. etrangere,," .,. 169 



Jackson, J. W. Pisidium nitidum var. splendens in West Lancashire ... 170 



TOMLIN, J. R. le B. Vertigo moulinsiana Dupuy in Berkshire ... ... 170 



Shaw, Rev. W. A. Helicella caperata ni. sinistrorsum ... ... 170 



KoBELT, Dr. W. Carl Eduard von Martens: An Obituary Notice ... 171 



Oldham, C. Vallonia excentrica Sterki in Ireland ... ... ... 173 



Horsley, Rev. Canon J. W. Notes on Tapes ... ... ... 174 



Adams, L. E. A Plover with Anodonta cygnea attached to its foot ... 175 



Melvill, J. C. The subgenus Casmaria H. & A. Adams of Cassis Lamarck 176 



Massy, A. L. Opercula of Bithynia tentaculata ... ... ... 178 



International Rules FOR Zoological Nomenclature ... ... 179 



Welch, R. Freshwater Shells in Masses in Shell Marl ... ... 191 



Melvill, J. C. Four Colour Varieties of Cyprrea ... ... ... 192 



Adams, L. E. Do Swans and Ducks eats Anodonta c)'gnea ... ... 192 



Darbishire, a. D. Professor Lang's Breeding Experiments with Helix 



hortensis and H. nemoralis: an Abstract and Review ... ... 193 



Shaw, Rev. W. A. Additions to the Land and Freshwater Mollusca of 



Northamptonshire ... .. ... ... ... ... 200 



Horsley, Rev. Canon J. W. Hydrobia jenkinsi in Rivers ... ... 200 



Standen, R. Vertigo substriata (Jeff.) m. sinistrorsum ... ... 200 



International Rules for Zoological Nomenclature ... ... 201 



