Vol.. 161. 



JUNE, 1922. 



[No. 9. 



THE 



JOURNAL 



OK 



CONG HO LOGY. 



rODNDBD 1874. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



Hon. Editor : 



J. R.lkB.TOMLIN,M.A., 



23, BoscoBEL Road, 



St. Leonards-on-Sea. 



Hon. Secrktarv : 



J. W. JACKSON, M.Sc, 



The Museum, 



The University, 



Manchester. 



Hon. Treasurer : 



C. OLDHAM, F.L.S. 



The Bollin, 



Shrublands Road, 



Berkhamsted. 



COITTEITTS. 



Notes on the Nomenclature of Hygromia, Helicella, etc. — H. 

 Watson 



Acanthinula lamellata var. albida and A. harpa, near Boras, Sweden 

 — B. SUNDLER i 



A peculiar form of Hygromia fusca from Leigh Woods (Somerset), 

 near Bristol— D. Bacchus 



Pisidium lilljeborgii in Merionethshire and Denbighshire — C. 

 Oldham 



The significance of Dominant Euadeniate Helices in Africa (plate 

 10, which will appear in next number) — J. W. Taylor 



Two Molluscan Associations in Norlh-East Staffs — W. E. Alkins 



Limax flavus var. virescens Fer. at Reigate — L. E. Adams 



Hyalinia lucida in the Isle of Wight — Rev. W. A. Shaw 



The South Devon Race of Hygromia limbata (Drap.). 

 HUGGINS 



Limnsea stagnalis in Edinburgh — E. Crapper 



On Alopia cyclostoma (Bielz), A. canescens (Charp. ) and A. 

 n. sp. (plate 9) — Rev. Dr. A. H. Cooke 



Proceedings: Jan. 4, 1922 



Physa heterostropha Say in Middlesex — ^J. E. Cooper 



Pisidium clessini Surbeck in Scotland — N. H. Odhner 



PLATES IX AND X. 



-H. C. 



deaniana 



277 

 285 

 286 



287 



288 

 291 

 296 

 296 



297 

 301 



302 



307 

 308 

 308 



LONDON : Dulau ic Co.. Ltd., 34 to 36, Margaret St., Cavendish Square, W.i. 



Sold also at the Headquarters ok the Society, 



The Manchester Museum, The University, Manchester. 



Printed by Taylor Brothers, Sovereign Street, Leeds. 



