INDEX OF SHELLS. 



(Those names printed in italics are either varieties 

 only, names used by other authors, or are marine species.) 



(Those marked with an asterisk are Bi-itish, but not 

 found near Nottingham.) 



Bulla fontinalis, 121 



— hypnoruin,\^Z 

 Carjchium minimum, 164, 



160, 161,162 

 Clausilia bidens, 113 



biplicata, 113 



dubi a, 112 



Everettii, 112 



fro gi lis, 109 



* Jammata, 113 



nigricans, 110, 111, 



160, 161 



prtrvula, 112 



Ijerversa, 109 



• plicatula, 113 



Holp/iii,l]3 



Conovulus a/lus, 153 



* bidentatus, 153 



* denticiilatu8, 153 



CycJas caliciilata, 10, 30, 159, 

 161 



— cornea, 9, 15, 30, 33, 

 38, 159, 160, 161 



* — lacustris, 



— rivieola, 7, 9, 30, 160, 

 161 



*Cyclostoma elegans, 155 

 Dreissena polvmorpha, 17, 18, 



30, 32, 158, 160, 161 

 *Geoma]actis maculosns, 51 

 Helix aciilcata, 94, 160, 161 



— .^Iderii.m 



* — aperta, 102 



— urborea, 70 



— aibustoriam, 83, 161 



— aspeisa, 4, 6. 73, 74, 75, 

 161,171 



* — Cantiaua, 102 



* — carthusiana, 4, 102 



•Acme lineata, 155 



— fit sea, 155 

 Achatiua acicula, 116, 161 

 Alasmodon niargaritiferus, 



30 

 Amphipeplea glu*inosa, 148 



involuta, 149 



Ancvkisfluviatilis, 150, 160, 

 161 



lacustris, 152 



oblongus, 151, 160, 



161 

 Anodonta anatbia, 29 



Avonensis, 30 



contorta, 30 



cvgtioea, 25, 26, 31, 



32, 33, 159,160. 161 



ponderosa, 161, 162 



ventricosa, 30 



Aplexus hypnorum, 123 

 Arion ater, 48 



— eiiipiricorum, 48, 50, 



160 



— - flavus, 50, 158, 160 



— iiortensis, 49, 160 

 ♦Assitiiiuea Grej'aua 43 

 Azeca tridens, 4, 115, 160, 



161 

 Baloen perversa, 109 

 Balea Iragilis. 109, 110, 160, 



161, 162 

 Bitliinia i.eachii, 42,160,161 

 tentaculata, 33, 38, 



40, 159, 160, 161 



— - ventricosa, 42 

 •liiiliraus acntns, 104 

 • Lackhamenais, 104 



obscurus, 4, 103, 



160, 161 



