Notes :— page 



On the Dates of Publication of J. D. Wilhelm Hartmann's " Erd- 



und Silsswasser-Gasteropoden." By B. B. Woodward, F.L.S. 3 

 On the Dates of Pubhcation of C. L. F. von Sandberger's " Die 



Land- und Siisswasser-Conchyhen der Vorwelt." By B. B. 



AVOODWARD, F.L.S 3 



Cement as a Skig-killer ! By B. B. Woodward, F.L.S. (Fig.) . . 4 



A Pteropod AUas. By C. Hedley, F.L.S., & E. R. Sykes, B.A. . . 5 

 On the LocaUty of the Melanotic Helicigona arbustorum exhibited 



Nov. 10th. By G. W. Swanton 5 



On Co7iics Waterhousece, Brazier, var. By A. F. Kenyon . . . . 5 



On Valuta papillosa, Swainson, var. By A. F. Kenyon .... 6 



Cassidaria ntgosa. By A. Reynell 67 



Note on Neptunea antiqua. By E. A. Smith, I.S.O 68 



On the name Pilshryella, von Iheriug. By Dr. H. von Ihering . 68 

 Note on Fistulana mumia perforating a valve of a Dosinia. By 



E. A. Smith, LS.O. (Figs.) 203 



Note on Paludestrina Jenkinsi. By E. A. Smith, I.S.O 203 



Glessula parahilis (Benson). By Colonel R. H. Beddome, F.L.S. . 204 



Note, to correct the name Jousseaumia. By Prof. G. C. Bourne . 260 



A Correction. By H. H. Bloomer 260 



The Pairing of Limncea pereger with Planorhis corneus. By W. D. 



Lang, F.G.S ' 310 



Note on an ' Octopus' with branching arms. By E. A. Smith, I.S.O. 310 



On some Holocene Mollusca from Staines. By J. E. Cooper . . 310 

 Note on the occurrence of Pearls in Hcdiotis gigantea and Pecten 



sp., from Japan. By E. A. Smith, I.S.O 311 



Note on the name Bourcieria. By E. R. Sykes, B.A 312 



Obituary Notices: — 



Dr. W. T. Blanford. By E. A. Smith, I.S.O 64 



Captain F. W. Hutton. By E. A. Smith, LS.O 66 



Richard Rimmer. By E. A. Smith, I.S.O 67 



Cesar Felix Ancey. By E. A. Smith, I.S.O 245 



Presidential Address : — 



What evolutionary processes do the Mollusca show ? By B. B. 



Woodward, F.L.S 246 



Papers : — 



Descriptions of new species of Drjpnceus, Amphicijclotus, and 

 Neocyclotus, from South and Central America. By S. I. Da 



Costa. (Plate I.) 7 



Description of a new species of Achatina from Mashonaland. By 



S.L Da Costa. (Fig.) 11 



