28 
ON THE LAND MOLLUSC A. 
IT. arbustorum, L.—Swiss Cottage woods and elsewhere, Cassio- 
bury Park; near Park Street; Yerulam Hills. Yar. marmorata, 
Tayl.—Cassiobury Park ; Yerulam Hills. 
H. Cantiana , Mont.—Hear Bushey Lodge; Tunnel Woods; near 
Park Street; Yerulam Hills. Yar. albida , Tayl.—Hear Bushey 
Lodge ; Hunton Bridge ; Yerulam Hills. 
II. rufescens , Penn.—Hear Oxhey Lodge ; near Bushey Lodge; 
Cassiobury Park; Tunnel Woods; Hunton Bridge; Park Street. 
Yar. alba , Moq.-Tan.—Watford Heath; Tunnel Woods; Hunton 
Bridge, 
H. concinna , Jeffr.—Otterspool; Park Street; Yerulam Hills. 
IT. hispida, L.—Common everywhere about Watford, abounding 
amongst almost every heap of stones and in nearly every damp 
sheltered spot. 
PT. sericea , Mull.—Swiss Cottage woods, Cassiobury Park. 
H. virgata, Da Costa.—Gorhambury Park. 
H. caperata, Mont.—On hedge-banks near Bushey Lodge ; 
Hunton Bridge (abundant); Park Street. 
H. ericetorum, Mull.—Hunton Bridge (abundant). 
II. rotundata , Mull.—Common everywhere, in gardens, woods, 
&c., generally under stones or decaying wood. Yar. rufula, Moq.- 
Tan.—In my own garden; Swiss Cottage woods, Cassiobury Park. 
IT. rupestris, Drap.—Hear Bushey Lodge. 
H.pulchella, Mull.—Bushey Mill; navigation Bridge, Cassiobury 
Park. Yar. costata is most frequent and ought to be considered 
the typical form ; var. ? Icevigata , usually considered the type, 
occurs with costata. 
Bulimus obscurus (Miill.).—Hear Bushey Lodge. 
Pupa umbilicata, Drap.—Otterspool. 
Vertigo edentula (Drap.)—Swiss Cottage woods, Cassiobury Park. 
Clausilia rugosa (Drap.).—Common everywhere about Watford, 
under stones and in moss and sheltered places; Yerulam Hills 
and elsewhere, St. Albans. Yar. tumidula , Jeffr.—Hear Bushey 
Lodge; Otterspool; Swiss Cottage woods, Cassiobury Park. Yar. 
albinos , Moq.-Tan.—Hear Bushey Mill. 
Cochlicopalubrica (Miill.).—Common everywhere round Watford 
under decaying wood, and frequent under stones. 
Cakychiidje. 
Carychium minimum ,, Miill.—Swiss Cottage woods, Cassiobury 
Park, under leaves, &c., close to the Biver Gade. 
Cyclostomatidje . 
Cyclostoma elegans (Miill.).—Gorhambury Park. 
