21^ 



PROCEEDINGS OF THE 

 CONCHOLOGICAL SOCIETY OF GREAT BRITAIN & IRELAND. 



459th Meeting-, held at the Manchester Museum, Feb. 14th, 1917. 



Mr. E. Collier in the chair. 



Additions to the Library announced and thanks voted : 



"Wodarch's Introduction to the Study of Conchology" (3rd Ed., 1825), by 

 J. '^Iz.yiQ {presented by Lt. -Col. W. H. Ttirton). 



" MoUusks from the type locality of the Choctawhatchee Marl," by W. C. 

 Mansfield. 



"The Cahfornian Land Shells of the Epiphragmophora traskii group," by Paul 

 Bartsch. 



" A New Mollusk of the Genus Pisidiitin from Alaska, with Field Notes by G. 

 Dallas Hanna," by V. Sterki. 



" Diagnoses of New Species of Marine Bivalve Mollusks from the Northwest 

 Coast of America in the collection of the United States National Museum," by 

 W. H. Dall. 



"A Contribution to the Invertebrate Fauna of the Oligocene Beds of the Flint 

 River, Georgia," by W. H. Dall. 



" Manual of Conchology," part 93, by H. A. Pilsbry. 



'•Note on some Holocene Marine Shells from the Aran Isles, co. Galway," by 

 J. R. le B. Tomlin. 



"Note on the Erato gitttiila of Sovverby and on Marginella schepviani, n.n. 

 for M. abyssicola Schepnian," by J. R. le B. Tomlin {from the respective authors) ; 

 and the usual periodicals received in exchange. 



Donations to the Cabinet announced and thanks voted : 



By Mr. Chas. Oldham : Helicella itala var. minor, Studham, Beds. ; Jaminia 

 secale, Harefield, Middlesex ; Vertigo antivertigo, Morfa Dyffryn, Llaneuddwyn, 

 Merionethshire; Paliidestrrna je7ikinst, Arthog, Merionethshire; Unto pictorum, 

 elongated specimen, 45 x iii mm., canal, Deanshanger, Northants. 



New Member Elected. 

 W. James Wintle, F.Z.S. 



Candidate Proposed for Membership. 



Duncan Keogh, 13, Richmond Wood Road, Bournemouth (introduced by L. J. 

 Shackleford and J. E. Cooper). 



Resignations. 

 T. Bonner-Chambers. 

 G. L. Start (Rifle Brigade, India). 



Killed in Action, August, 1916. 

 E. G. M. Sturt (Middlesex Regiment). 



Papers Read. 



"The Genitalia of ^i^ira tridens and Cochlicopa Inbrica" by A. E. Boycott. 



" Pisidinin hibertiictu/i in Carnarvonshire," by C. Oldham. 



" Pisidiiiin lilljeborgim Carnarvonshire," by C. Oldham. 



" Field Notes and Observations on Helicodonta obvoliita" by H. Beeston. 



Exhibits. 



By Mr. C. II. Moore : Anodonta cygnea from reservoir at Stalybridge. 

 By Mr. G. C. Spence : Shells from Wolverton, Bucks. 

 By Mrs. Gill : Series oi Natica ; and Coluinbariutn pagoda from Japan. 

 By Mr. W. H, Davies : Unio pictorum from canal, Congleton. 



