PROC. CONCH. SOC. GREAT BRITAIN & IRELAND, 1 83 



Helix rotundafa, Miiller. 



If. aspersa^ Miill., alsovars. 7ninor and grisea. 



H. tieinoralis, L., also vars. fasciata, coalita, tinicolor and 



minor. 

 H. lapicida, L. 



H. carthusiana, Miiller, and var. minor. 

 H. horiensis^ Miiller, and var. ufiicolor. 

 H. terrestris., Fleming, and var. maculosa. 

 H. limbafa, Drap., and var. minor. 

 H. pisana, Miiller, and var. albida. 

 II. variabilis, Drap., also vars. fasciaia, Iiypozona, lutescens, 



tessellaia and ochroleuca. 

 H. cornea, Drap., and var. squamatina. 

 H. acuta, Miiller, and var. strigata. 

 H. incarnata, Miiller, and var. pallidula. 

 Cyclostoma ekgans, Drap., also vars. violaceum, ochroleucum, 



pallidum and albescens. 

 Bidimus decollatus, Drap. 

 Helix intersecta, Poir. 



Linuhea stagnalis. Lam., and var. fragilis. 

 L. peregra, Lam., var. co)i:ca. 

 L. palustris, Flem. 



L. truncaiiila, Beck, (fossaria, Flem.) 

 L. glabra, Miiller. 

 Planoi'bis corneus, Poir. 

 P. vortex, Miiller. 



P. complanatus, Studer, var. submarginatus. 

 P. leucostoma, Mill, and van Perezii. 

 P. carinatus, Miiller. 

 P. nitidus, Miiller. 

 P. contortus, Muller. 

 P. albus, Miiller. 

 P. nautileus, Flem. 

 Valval a cristata, Miiller. 

 Physa acuta, Drap. 

 U7iio Pequieni, Michaud. 

 U. sinuatus, Poir. 

 U. danielis, Ganien 

 U. httoralis, Cuvier. 

 Anodonta piscinalis, Nilsson. 

 A. cygnea, L., var. eel lens is. 

 Bithinia ventricosa, Gra}'. 



