184 PROCEEDINGS OF THE MAXACOLOGICAL SOCIETY. 



2. " An arrangement of the American Cyclostomatidae, with a 

 revision of the nomenclature." By Prof. W. H. Dall, D.Sc. 



3. "A Correction in Nomenclature," By E. A. Smith, I.S.O. 

 (See Notes.) 



4. " Note on the Dates of Publication of the various parts of 

 Moquin-Tandon's 'Hist. Moll. terr. fluv. de France.'" By J. W. 

 Taylor, F.L.S. (See Notes.) 



The following specimens were exhibited : — 



By Rev. R. Ashington Bullen : A collection of land and fresh-water 

 shells from Huntingdonshire. Forty species were shown, including 

 twenty-two hitherto unrecorded from the county ; also some striking 

 colour varieties of Xesta citriiia, Linn., and Amphidromus palaceus, 

 Mousson. 



By G. B. Pritchard: Tertiary shells from Australia, including an 

 example (the second discovered) of CyprcBa gastroplax, M'Coy, with 

 a broad flange projecting from the shell horizontally above the mouth. 

 The specimen came from the clay of Mornington. Other species were 

 Solutofusus carinatus, Pritchard, Conchohpas antiquatus, Tate, and 

 Pseudovaricia mirahilis, Tate. 



By E. R. Sykes : A collection of West Indian Cyclostomatidse. 



ORDINARY MEETING. 



Friday,' 13th January, 1905. 



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



John Ritchie, jun., was elected a member of the Society. 

 Dr. Henry Woodward, F.R.S., and Mr. Wilfred Bendall were 

 appointed to audit the accounts of the Society for 1904. 



The foUowiug communications were read : — 



1. "A review of the Genera of the Family Mytilidae." By A. J. 

 Jukes-Browne, F.G.S. 



2. " Note on the Type of Oeomelania, with the description of a new 

 species." By E. R. Sykes, B.A. 



3. " On three species of Dyakia from Western Sumatra." By E. R. 

 Sykes, B.A. 



4. "On some Nudibranchs from the Pacific, including a new genus, 

 Chromodoridella:' By Sir C. N. E. Eliot, K.C.M.G. 



5. "Notes on two rare British Nudibranchs, Hero formom, var. 

 arhoreseens, and Staurodoris maculataP By Sir C. N. E. Eliot, K.C.M.G. 



6. "Description of a new Achatina from the Zambesi." By H. B. 

 Preston, F.Z.S. 



7. " Note on Geitodoris planata (Alder & Hancock)." By Sir C. N. E. 

 Eliot, K.C.M.G. (See Notes.) 



8. "Note on some Holocene Non-Marine Mollusca from Walton 

 Heath, Surrey." By Raymond H. Chandler, {^ee Notes.) 



9. "Note on OUva oryza, Lamarck." By F. G. Bridgman. (See 

 Notes.) 



