183 



ORDINARY MEETING. 

 Fkidat, 11th November, 1904. 

 E. R. Sykes, B.A., President, in the Chair. 

 Charles Michael Hall was elected a member of the Society. 

 The following communications were read : — 



1 . " Descriptions of three new species of Opisihostoma from Sarawak, 

 North Borneo." By E. A. Smith, I.S.O. 



2. " On a new variety of Planispira zebra, from the Island of Gisser, 

 and a new species of Chloritu from Java." By the Bev. E. Ashington 

 Bullen, F.L.S. 



3. " On the Anatomy of certain species of Siliqua and Ensis^ By 

 H. Howard Bloomer. 



4. " On the genus Tomigeriis, Spix, with descriptions of new species." 

 By Dr. H. von Ihering. 



5. " Notes an some New Zealand Pleurotomidse." By Henry Suter. 



6. " Notes on some species of ^hione from New Zealand." By 

 Henry Suter. 



7. " Note on Mr. Suter's paper on species of Chione from New 

 Zealand." By E. A. Smith, I.S.O. 



8. " On 0/«Va %nVi?e^/«, Duclos." By F. G. Bridgman. {^qq Notes.) 



The following specimens were exhibited : — 



By F. G. Bridgman : Specimens of Oliva tigridella, Duclos, and 

 0. iapidida, Lamk. ; also sections of Gastropod shells showing the 

 great differences in thickness and texture. 



By Rev. R. Ashington Bullen : Specimens of Borus ohlongus from 

 the River Corentyn, between British and Dutch Guiana ; also a beautiful 

 series of Xesta eitrina fi'om the Island of Gisser. (See Plate XI.) 



By A. S. Kenuard : A sinistral example of Helicigona arbustorum, 

 probably the first recorded instance of this abnormality in the species. 



By G. K. Gude : A rare work on the Argentine MoUuscan fauna by 

 Pellegrino Strobel. 



By E. R. Sykes : Specimens of the genus Miratesta, Sarasin. 



ORDINARY MEETING. 

 Friday, 9th December, 1904. 

 E. R. Sykes, B.A., President, in the Chair. 



Mrs. Alice L. Williams and Miss Marie Victoire Lebour, B.Sc, 

 were elected members of the Society. 



The following communications were read : — 



1. "Description of a new species of Trachiopsis from British New 

 Guinea." By H. B. Preston, F.Z.S. 



VOL. VI. — MARCH, 1905. 14 



