126 PKO. CONCH. SOC. GREAT BRITAIN AND IRELAND. 



SPECIMENS EXHIBITED. 



Mr. Butterell sent for exhibition a number of Pisidia and 

 Sph(zrtcB from the East Riding of Yorkshire ; also palates and 

 jaws of Arion aier; Helix aspersa; Liinnea stagnalis, L. palustris', 

 and Fusus sp ?, mounted for microscopic examination ; also 

 Pisidiicm fontinale var. cinerea, from Manchester. 



Mr. W. Nelson exhibited a large number of Yorkshire shells, 

 particulars of which are entered in the Yorkshire Register Book ; 

 also Helix ^arbiistorum, H. concinna ; and Zonites cellarius, from 

 Glasgow. 



o 



B7th Meeting. 



Held at Leopold Square, Leeds, the President in the chair. 



DONATIONS TO THE LIBRARY. 



The following were announced and thanks voted to the donors : — 

 "Journal of Conchology" for November, 1879. 



[Mr. J. W. Taylor. 



Mounds and Mound Builders in Muscatine County, Iowa, 



— a paper read before the Muscatine Academy of Science — by 



F. M. Witter. [The Author. 



DONATIONS TO THE COLLECTION. 



The following was announced and thanks voted to the donor : — 



A collection of Land and Freshwater Shells from Iowa, 

 numbering 80 species, a list of which is appended. 



[Prof F. M. Witter. 



HELICID^. 



Helix albolabris — Say. 

 Helix alternata — Say. 

 Helix arborea — Say. 

 Helix clausa — Say. 

 Helix concava — Say. 

 Helix hirsuta — Say. 

 Helix labyrinthica — Say. 



Helix lineata — Say. 

 Helix monodon — Rackett. 

 Helix monodon, var. leaii- 



Ward. 

 Helix multilineata — Say. 

 Helix profunda — Say. 

 Cionella subcylindrica — 



Linn. 



