Vor. 10]. JULY 1st, 1901. [No. 3. 



TIIK 



JOURNAL 



OF 



CONCHO LOGY. 



BEING THE ORGAN OF THE CONCHO LOG ICAL SOCIETY 

 OF GREAT BRITAIN AND IREI.ANIK 



Hon. Secretary and Ediiou 



W. E . H O Y L E , M . A . , 



The Owens College, 



Manchester. ' .S-r 



HtiN. Tkhasl UP.:; : 



E. D. BOSTOC K , 



Ti\"ALi. Loner:, 



AFFORli. 



CONTENTS. 



The Geographical Distrilnition of extinct I'-ritish Non-^[al■ine Mollusca 



— R. BuLLEN Newton {aintinitel) 65 



The Marine Mollusca and Biachiopoda of the Isle of Man — L. St. (i. 



Byne and A. Leicfstek ye 



Notes of Shells observed and collected in Ea^t Sussex ^W.WnrrwEi.i, 86 



Proceedings of the Society, April, May, 1901 ... ,,. ... ... 87 



Notice by the Committee for Collective Investigation ... ... ... 88 



Bibliography S9 



Reversed Helices recently found in Lancashire — En. Cim.i.ikr ... 91 



On the Mucus-Threads of Land Slugs— II. ^YAI,l, IS Kew ... ... 00 



LONDON: Oilau & Cu., 37, Si.im S.ji Aki„ W. 

 LEEDS : Taylor Bros., Sovereign- St. [ ALAXCHESTlik : j. !•:. t:oi;.\isii, St. Ann's S 

 BERLIN: Fkiedlaendek & Sohn, Cari.sck.kssf, it. 



See Notice of Rambles on next pag^e. 



J 



