CUNDALL: on the MOLLUSCA of BRISTOL. 26 1 



Bulimus montanus. Cooper's Hill; Gloucester; &c. 

 B. obscurus. General. 



B. obscurus var. alba. St. Vincenfs Rocks. 



Balia perversa. Stapleton; Westbury-upon-Trym; LongAshton; 

 Sea Mills. 



Carychium minimum. General. 



Cyclostoma elegans. General. 



Clausilia rugosa. General. 



C. rugosa var. Evejettii. Bristol (Miller). 

 C. rugosa var. tumidula. Brockley Coombe. 



C. Rolphii. The Cotswolds near Gloucester; Long Ashion; 



buttress of the Suspension Bridge (?). 

 C. biplicata. The Downs; Oldbury Court ; Leigh Woods (?J. 

 C. laminata. In many places. 



C. laminata var. pellucida. Leigh Woods; Stoke Bishop. 

 C. laminata var. albida. Leigh Woods; Brockley Coombe. 

 C. solida. Stapleton (Rich). 



Cochlicopa tridens. Brockley Coombe, Somerset. 

 C. tridens var. crystallina. Brockley Combe, Somerset. 

 C. lubrica. In many places. 

 C. lubrica var. lubricoides. Bath (Clark). 

 Conovulus denticulatus. Banks of Avon, near Pill. 

 C. denticulatus var. myosotis. Banks of Avon, near Pill. 

 C. bidentatus. Banks of Avon, near Fill. 

 C. bidentatus var. alba. Banks of Avon, near Pill. 

 Dreissena polymorpha. The Avon; Kennet and Avon Canal; 



, Docks; &c. 

 Helix aculeata. Leigh Woods; Stapleton; Combe Dingle. 

 H. aculeata var. albida. Bath (Clark). 

 H. pomatia. The Cotswolds, near Gloucester. 

 H. aspersa. General. 

 LL. aspersa var. albofasciata. Westbmy-on-Trym. 



