PROCEEDINGS OF THE CONCHOLOGICAL SOCIETV. 273 



Donations to Collections announced and thanks voted -.—Hydrobia 

 jenkinsi (catenated form) and its var. tumida, and H. ulvce from Tilbury 

 Marshes, from Mr. A. J. Jenkins ; Anodonta cygnea from Gosford, East 

 Lothian, from Mr. Evans, F. R.S.E. ; and a very large example of the same 

 species found on cleaning out an old pond at Mereworth, West Kent, 

 presented by the Rev. R. A. Summerfield, B.A. 



Papers Read. 



A paper by the President Mr. Edgar A. Smith, F.Z.S., entitled "A 

 Reply to Mr. J. T. Marshall's ' Further Notes on British Hydrobire ' " 

 [printed in ' J.C.,' July, 1890, vol. vi., p. 244]. 



A note by the Treasurer, Mr. Lionel IC. Adams, D.A , 011 Zoniles glabcr 

 var. viridula at Penistone, was read [printed in 'J.C.,' Oct., 1890, p. 265]. 



Exhibits. 



The Chairman exhibited and commented upon a numerous and highly 

 interesting series cf specimens of Helix nenioralis, in illustration of the 

 variation to which it is subject. He also showed a series of varieties of 

 that species which forms part of the Museum at Leeds. 



Mr. W. Nelson gave an account of a recent expedition to the neigh- 

 bourhood of Howden and Hemingbrough (Yorks. S.E.) and exhibited the 

 si3ecimens he had collected. 



On behalf of Mr. J. Ray Plardy were shown some of the results of a 

 successful field-day in Darley Dale, Derbyshire, by the Manchester Branch", 

 amongst which were Zonites fidvus var. mortoni. Vertigo cdenUda, Helix 

 aadeata, H, lainellata, etc., the last-named appearing to be a new species 

 for Derbyshire. 



On behalf of Mr. J. A. iiargreaves were shown examples of Vertigo 

 ptisilla, from Forge Valley, near Scarborough. 



On behalf of Mr. Thomas Scott, F.L.S., were exhibited Pisidium 

 roseiim, P. fontinale, Planorbis iiitidus, and Valvata cristata from Loch 

 Achnacloich, near Invergordon (East Ross-shire). 



On behalf of Mr. R. D. Darbish're, B.A., F.G.S., were shown Umax 

 flavus, L. maximits var. ferussaci and Amalia gagates from Cannes. 



On behalf of the Rev. S. Spencer Pearce, M.A., a number of living 

 slugs, Limax maximus, L. ciftereo-tiiger, A??ialia ?na}-ginata, etc., from 

 Cadenabbia, Lago di Como. 



Mr. W. Denison Roebuck, F. L. S. , showed various specimens, including 

 Helix acideata from Dalmahoy and Gorebridge (Edinburghshire), H. sericea 

 and H. fusca from the latter place, all collected by Mr. W. Evans ; Pisidium 

 amnicum, &c., collected at Drumshallon, co. Louth, by Miss Sydney Smith; 

 Arion ater var. bicolor collected at Howth, Ireland, by Mr. W. F. de 

 Vismes Kane, M.A., M.R.I. A., ; and Clausilia rolphii collected (along 

 with Cyclostoma and Helix lapicida) at Well Vale, near Alford, by Mr. J. 

 Purtt Davy ; the locality being a new one for CI. rolphii. 



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