4128 Mollusks. 



Helix depilata. Rare, under stones lying on grass, Pyrton Common. 

 „ ericetorum, var. obliterata, Hartmann. Common along the 

 Ickleton Way from Watlington to Ewelme, and is also to be found on 

 Pyrton Common. 



Zonites rotundatus. Common under timber lying on the ground, 

 stones, &c., in the woods and elsewhere. 



„ cellarius. Not common ; among the under rotting leaves 

 of Iris foetidissima, Pyrton. 



„ alliarius. Frequent among decaying beech-leaves in Sher- 

 borne Wood. 



„ purus. Not common ; in similar situations to the last, in 

 the Cuckoo-pen, Sherborne Down. 



„ nitidulus. Very rare ; two specimens at roots of grass on 

 the Henley road. 



„ crystallinus. Among rotting beech-leaves in the woods, and 

 at roots of grass, Pyrton. 



Bulimus Lackamensis. This species is to be found on the trunks 

 of beeches in all the woods round the neighbourhood, in great num- 

 bers, after rain, and climbs up them frequently to the height of from 

 30 to 40 feet. I once took no less than three dozen from the trunk 

 of a single tree. 



„ obscurus. Common, though not so abundant as the last, 

 with which it is found in company. The shells of the young of these 

 two species are generally much encrusted with earth &c. 



Achatina Acicula. Not common ; at roots of junipers, on Swin- 

 combe Down. 



Pupa Juniperi. Common on the trunks of beeches, in Sherborne 

 Wood, especially at the outskirts of the western side. 



Vertigo pygmsea. Frequent at roots of grass and junipers, on 

 Swincombe Down. 



Clausilia bidens. Abundant on the beech-trees. I only saw one 

 specimen of the white variety, whereas in other parts of the country I 

 have sometimes found the white in almost equal numbers to the brown. 



Carychiura minimum. To be found among the rotting beech-leaves 

 in all the woods, and also at the roots of grass by wood-sides, &c. 



Cyclostoma elegans. Not uncommon among leaves in the beech- 

 woods. 



I have thus met with seventy-six species, besides numerous varie- 

 ties, in Oxfordshire ; and to this list may be added eleven others, 

 which I have not myself found, but which are enumerated in a cata- 

 logue of sixty-six shells, which the late Mr. Hugh Edwin Strickland, 



