PROCEEDINGS OF THE CONCHOLOGICAL SOCIETY. 397 



separating this species from S. putris vanish when recourse is had to an 

 autopsy, the anatomical differences between the two species being very 

 marked. 



On behalf of Mr. R. Wigglesworth : Varieties of Helix aibusto)um from 

 Simonstone and Clitheroe ; and of H. horttnsis from Altham and other 

 localities. 



Mr. William Nelson exhibited some photographs oi Ptipati?}ibilicatai3.Vtn 

 by Mr. J. Madison, which well showed the characteristic features of the 

 species ; also some examples of Planoj-bis albus which were noteworthy on 

 account of peculiarities in their sculpture. 



Mr. W. Denison Roebuck, F.L.S., exhibited numerous slugs, including 

 Limax viaxivius var. mtilleri, Amalia gagates and varieties, A. carjnaia, 

 A}-ion korle?tsis, A. ater and varieties, A. subfuscus, A. boiirguigtiati, and 

 Agriolimax agrestris from St. Sampson's, Guernsey, sent by Mr. J. R. B. 

 Tomlin ; L. maxinius var. fasciata, Arion bourgiiignati, and A. hortensis, 

 from Tomintoul, Banffshire, sent by Mr. Wm. Evans ; A. ater, A. minimus, 

 A. subfuscus, A. bourguignati, Limax arborum, and Agriolimax agrestis 

 from the banks of the Avon above Baliindalloch, Banffshire (W. Evans) ; 

 A. tninimus and Limax arboriDii from Cromdale, Elginshire, also from Mr. 

 Evans ; and Limax Levis from Sandwich, Kent East, sent by Mr. Lionel E. 

 Adams. 



Mr. Roebuck also mentioned the capture of examples of Limax cinei-eo- 

 niger in Banffshire, by Rev. George Gordon and Mr. W. Evans, from both 

 of whom he had received specimens. 



193rd Meeting, Wednesday, 7th October, 1891. 



Mr. John W. Taylor, F.L.S., Vice-President, in the chair. 



Donations to the Library announced and thanks voted: From Dr. 

 Scharff — a copy of his important paper on ' The Slugs of Ireland ' ; from Mr. 

 F. W. Wotton — a copy of the British Association Handbook to Cardiff, con- 

 taining his local lists of Mollusca ; from Mr. Taylor — W. Nelson's list of the 

 Limnjeidse of North America ; from the U. S. National Museum — R. E. C. 

 Stearns' list of North American shells received from the U. S. Department of 

 Agriculture, and W. H. Dall on some new and interesting West American 

 Shells obtained from the dredgings of the U. S. steamer Albatross in 1888 ; 

 and from the respective Societies and Editors : Jahrsheft des Naturwissen- 

 schaftlichen Vereines des Trencsiner Comitates, 1890-91 ; Feuille des Jeunes 

 Naturalistes for October ; Naturalist for October ; and Proceedings of Liver- 

 pool N. F. Club for 1890 (containing H. H. Higgins' list of Land and 

 Freshwater Shells of Liverpool District). 



Donations to Collections announced and thanks voted : Various 

 species from Edlington and Wadworth Woods, near Doncaster, from Mr. 

 W. Denison Roebuck, F.L.S., others from Snowdon, Llyn Ogwen, and 

 Little Orme's Head, presented by Mr. H. P. Marshall, and Zonites nitidulus 

 from Withernsea, from Mr. J. Darker Butterell. 



