32 
MOLLUSC A OBSERVED IN HERTFORDSHIRE. 
Helix rufescens, Penn.—1Watford; Brett. Beech woods, Tring; 
Selby. Sandridge, common; Griffith. Ware; Jeffreys. Yar. alba, 
Moq.-Tan.—Sandridge ; Griffith. 
II. concinna, Jeffr.—Chalk-pit near Sandridge; Griffith. Ware; 
Jeffreys. 
H. hispida, L.—Watford; Brett. Sandridge, common; Griffith. 
Ware; Jeffreys. 
U. sericea , Miill.—Sandridge, on a grassy bank; (Griffith. Ware ; 
Jeffreys. 
H. virgata , Da Costa.—Watford; Brett. Beech woods, Tring; 
Selby. Sandridge, common, with a brown variety; Griffith. 
Ware ; Jeffreys. 
H. caperata , Mont.—Watford; Brett. Beech woods, Tring; 
Selby. Sandridge, on chalky fields; Griffith. Ware; Jeffreys. 
H. ericetorum , Miill.—Beech woods, Tring; Selby. Symond’s 
Hyde fields, with a white variety without bands ; Griffith. Ware; 
Jeffreys. 
U. rotundata , Miill.—Hear Watford, common; Selby ; Brett. 
Sandridge, common; Griffith. Ware; Jeffreys. 
U. pulchella , Miill.—Aldenham church-yard ; Selby. Ho Man’s 
Land, Sandridge ; Griffith. Ware ; Jeffreys. 
U. lapicida , L.—Beech woods, Tring ; Selby. Sandridge, on 
stumps in hedges ; Griffith. 
Bulimus obscurus (Miill.).—Beech woods, Tring; Selby. Sand¬ 
ridge, on tree-trunks and stumps; Griffith. 
Bupa secale , Drap.—Beech woods, Tring ; Selby. 
P. umbilicata, Drap.—Aldenham church-yard ; Selby. Watford ; 
Brett. Ware; Jeffreys. 
P. marginata , Drap.—Aldenham church-yard ; Selby. Ware ; 
Jeffreys. 
Vertigo pygmcea (Drap.).—Ware ; Jeffreys. 
Clausilia rugosa (Drap.).—Watford, common ; Selby ; Brett. 
Sandridge, common in woods; Griffith. Ware; Jeffreys. 
Cochlicopa tridens (Pult.).—Well Wood, Sandridge, under moss, 
with a white variety and one in which two of the teeth are united 
across the mouth of the shell; Griffith. 
C. lubrica (Miill.).—Watford, common ; Selby ; Brett. Sand¬ 
ridge, under moss ; Griffith. Ware; Jeffreys. 
CARYCnilDHL 
Carychium minimum , Miill.—Ware ; Jeffreys. 
C YCLO STOMATID . 
Cyclostoma elegans (Miill.).—Beech woods, Tring; Selby. By the 
road-side on the hills between Ho Man’s Land and Wheathamp- 
stead—very local and apparently confined to patches of chalky 
ground only a few yards in extent; Griffith. Ware ; Jeffreys. 
