Papers (continued) — page 



Descriptions of new species of Marine Mollusca collected by the 

 late 0. Koch at the Island of Cebu, Philippines. (Second 

 Paper.) By G. B. Sowerby, F.L.S., etc. (Plate XXII, 

 Figs. 1-14.) 208 



Description of Marginella princeps, n.sp. By G. B. Sowerby, 



F.L.S., etc. (Plate XXII, Fig. 15.) 212 



On seven new species of Marine Mollusca collected by Dr. H. 

 Becker at " The Kowie," South Africa. By G. B. Sowerby, 

 F.L.S., etc. (Plate XXII, Figs. 16-22.) 213 



Notes on the Dates of Publication of the Parts of Kiener's " Species 

 general et Iconographie des Coquilles vivantes," etc. (1834-80). 

 By C. Davies Sherborn, F.Z.S., etc., and B. B. Woodward, 

 F.L.S., etc 216 



Notes on the genus Temesa, H. & A. Ad., with descriptions of two 



new Land-Shells (Temesa and Clausilia) from South America. 



By E. R. Sykes, B.A., F.L.S., etc. (Figs.) 220 



On two apparently new species of Corbicula. By the Rev. R. A. 



Bullen, B.A., F.L.S., etc. (Plate XXIII.) 223 



A list of the known forms of Volutidse from South Africa, with 



descriptions of two new species of Valuta from Natal. By 



E. A. Smith, F.Z.S., etc. (Figs.) . . . .- 231 



Note on the occurrence of Planorbis Stroemii, Westerlund, in the 



Holocene Deposits of the Thames Valley. By A. S. Kennard 



and B. B. Woodward, F.L.S., etc 236 



Description of Cymbiola Mangeri, a supposed new species from 



the Falkland Islands. By H. B. Preston, F.Z.S., etc. (Fig.) 237 

 Descriptions of new species of Land-Shells from Central and 



South America. By S. I. Da Costa. (Plate XXIV.) . . . . 238 

 Notes on Ariophanta, Xestina, Nilgiria, and Euplecta, with lists 



of species. By W. T. Blanford, LL.D., F.R.S., etc. 



(Plate XXV and Figs.) 241 



Pleistocene Mollusca from the Raised Beach Deposits of Perim 



Island. By the Rev. R. A. Bullen, F.L.S., etc 254 



Note on a Dibranchiate Cephalopod from the London Clay of 



Sheppey. By G. C. Crick, F.G.S., etc. (Figs.) 256 



Description of Onitliochiton (?) Isipingoensis, n.sp., from South 



Africa. By E. R. Sykes, B.A., F.L.S., etc. (Figs.) . . . . 259 

 Description of Helicina Petewensis, n.sp., from the Pelew Islands. 



By E. R. Sykes, B.A., F.L.S., etc. (Figs.) 260 



On the Anatomy of Helix politissima, Pfeiffer, of Ceylon, and on 



its position in the Ariophantinse. By Lieut. -Col. H. H. 



Godwin-Austen, F.R.S., etc. (Plate XXVI.) 261 



