OF BERWICKSHIRE AND NORTH DURHAM. 155 



9. SUCCINEA URACILIS. Amongst liypua in spongy places, or in trick- 



ling rills. Sta banks below Itcdheugh, and about the coves at 

 Cockburnspath. 



10. HELIX ASPERSA. Common. 



11. HELIX ARBUSTORUM. Common near Berwick, and in the eastern 

 parts of the county. 



12. HELIX NEMORALIS. Very common. The numerous variations in 

 colour to which this species is subject, may be classified thus : 



I. Pure yellow or cream-coloured. 



A. Yellow banded with brown. 



a. Bands narrow. 



b. Bands broad, often confluent. 



c. Bands mottled. 



II. Uniformly flesh-coloured. 



B. Flesh-coloured, banded with brown. 



a. Bands narrow. 



b. Bands broad, oflen confluent. 



13. HELIX HORTENSIS. Not uncommon. 



14. HELIX TUOCHULUS. H.fulva, Turt. In woods, frequent. 



15. HELIX SCARBURGENSIS. In the dean at Twizel House. I have a 

 single small specimen found near Berwick. 



16. HELIX ACULEATA. Pease Bridge dean. Rare. 



17* HELIX FUSCA. In Dunglass and Pease Bridge deans abundant, 

 where it was shewn me by Mr J. Alder. 



18. HELIX ORANULATA, Alder* -H. htspida, Motif. Not uncommon. 



19. HELIX HISPIDA, Jeffreys, in Lin. Trans, xvi. 388. Not uncommon 



under stones in shaded places. 



20. HELIX CONCINNA, Alder. Frequent. 



21. HELIX CAPERATA. H. sir iata, Drap. Common. 



22. HKLIX ^RICETORUM. Roadside between the village of East Ord and 



Longridge Lodge. Plentifiil in several spots. 



23. HELIX NITIDULA. Common. 



24. HELIX CBLLARIA. Not uncommon. 



25. HELIX ALLIARIA. Common. 



26. HELIX LUCID A. The specimen of this shell in my collection was 



found in the Hirsel plantations. I believe it to be rare in our district. 



27. HELIX RADIATULA, Alder. Frequent. 



28. HELIX CRYSTALLINA. In moss. Not rare. 



29. HBLIX PYGMJEA. In a boggy piece of ground, on the banks between 



Redheugh and Fast-Castle, Mr Alder and G. J. 



30. HELIX ROTUNDATA H. radiata, Mont. Common. 



31. HELIX PULCHELLA. Langton Woods. Apparently rare in Berwick- 

 shire, where we have seen only the smooth variety. 



32. HELIX PURA, Alder. On the sea banks between St Abb's Head and 



