264 CUNDALL: ON THE MOLLUSCA OF BRISTOL. 



Li max flavus. General. 



L. agrestis. General. 



Neritina fluviatilis. Stapleton. 



Paludina vivipara. Kennet and Avon Canal; Heniury; Ponds 



near Cook^s Folly; Brislington; Keynsham. 

 Pisidium amnicum. Stapleton. 

 P. fontinale. Avonmouth; Stapleton. 

 P. fontinale var. Henslowana. Leigh Woods; Kennet and Avon 



Canal. 

 P. fontinale var. pallida. Kennet and Avon Canal. 

 P. fontinale var. cinerea. Kennet and Avon Canal. 

 P. pusillum. Avonmouth; Bedminster. 

 P. pusillum var. obtusalis. Avonmouth. 

 P. nitidiim. Horfield. 

 Physa fontinalis. Coombe Dingle; Westbury-upon-Trym; 



Kenn Moor, &c. 

 P. hypnorum. '$Am&\i2C(x\^\.ox\; Ashton; Horfield. 

 Planorbis nitidus. Shirehampton; Ham Green. 

 P. nautileus. Shirehampton; Horfield ; Bedminster ; Burnham. 

 P. albus. Frenchay; Ham Green; The Downs ; Westhiry-upon- 



Try?n. 

 P. albus var. Diaparnaldi. Bristol (J. G. Jeffreys). 

 P. complanatus. Shirehampton; Kenn Moor; The Downs. 

 P. spirorbis. General. 

 P. vortex. General. 

 P. carinatus. '■''Common'''' (?), Kejin Moor. 

 P. corneus. Kenn Moor; Henbury ; Clevedon. 

 P. corneus var. albina. Kenn Moor; Clevedon. 

 P. con tort us. Kenn Moor; Downs; Ashton; Shirehampton; 



Stapleton; Clevedon. 

 P. contortus var. albida. Weston-siiper-Mai-e (Rich). 

 Pupa secale. The Downs; Leigh Woods, &c, 



J.C, iii., January, 1882 



