LAND AND FRESHWATER MOLLUSCA. 3 67 



H. caper ata, Montagu. — Plentiful; in meadows, cultivated 

 fields, and banks. 



Var. omata. — Near Stonesfield. 



H. ericetorum, Miiller. — Not plentiful; on dry grassy banks and 

 borders of cultivated fields ; near Wick Copse, witb H. virgata, 

 and roadsides near Cumnor Hurst and near Shotover Hill. 



Var. alba. — Generally taken with the banded form. 



Var. minor. — Rare ; on short grass by large coral-rag quarry 

 on the Headington Road, near Wheatley. 



H. rotundata, Miiller. — Abundant; under decaying wood, 

 stones, and dead leaves. 



H.rupestris, Stiider.— Apparently confined to loose stone walls, 

 where it abounds on the under sides of topmost stones. 



H.pygmcea, Drap.— Not plentiful; in damp and dry places 

 and in woods amongst dead leaves in Powder Wood, and under 

 stones by brook near South Hincksey, with Vertigo edentula, 

 Helix hispida, and other moisture-loving mollusks. 



H. pulchella, Miiller. — The smooth form is plentiful in wet 

 places under stones and logs ; and the variety costata, the most 

 common of the forms, is invariably found in dry places, as on 

 stone walls and dry banks. 



H. lapicida, Linn. — I have met with this species sparingly 

 near Charlbury, on an ivied wall, but abundantly on beech trees 

 on the chalk near Goring. The localities mentioned by Mr. 

 Whiteaves are " common in an oolite quarry near Stow Wood," 

 where he says, " it comes out only after repeated rain, and crawls 

 about on the wet brambles," also in Wytham Wood and at Stones- 

 field. I have not been able to discover it in these places. 



Bulimus obscurus, Miiller. — Very abundant on the chalk, but 

 not so plentiful on the oolite, yet generally diffused. 



B. montanus has not yet been discovered nearer Oxford than 

 Shirbourne Wood, near Watlington, as recorded by Mr. Whiteaves 

 in his paper. 



Pupa umbilicata, Drap. — Very abundant on ivied walls, old 

 trees, &c. 



Var. edentula. — Two specimens from an old pollard-willow 

 near South Hincksey. 



P. marginata, Drap. — Not uncommon on loose stone walls, dry 

 banks, and under stones on the more calcareous soils. Generally 

 in company with H. pulchella, var. costata. The best localities 



