290 
ADDITIONS TO FAUNA. 
18th. In 1829, Mr. Jefekeys, in his paper in the LinncBan 
Transactions^ added — 
1. Succinea oblonga. — 2. Helix concinna. — 3. Helix la- 
mellata, from Mr. Bean. — 4. Vertigo cylindrica. — 5. Vertigo 
pygmsea ; 6. Vertigo palustris, both from specimens collected by 
me and presented to the British Museum.— 7. Vertigo pusilla. 
19th. In 1830, Mr. Alder, in his List of Newcastle Shells^ 
added — 
1. Succinea Pfeifferi, distinguished as a variety by Jeffreys. 
— 2- Zonites purus. — 3. Zonites excavatus. 
20th. In 1831, Captain Brown, in the Edinhurgh Journal of 
Geographical Science^ added — 
1. Pisidium obtusale. — 2. Pisidium pulchellum. 
21st. In 1831, Dr. Turton, in his Manual^ added — 
5. Limax Sowerbyi, from Dr. Leach’s work. 
22nd. In 1831, Mr. Lindsay, in the Linn, Trans.^ added — 
1. Helix obvoluta. 
23rd. In 1832, Mr. Jenyns, in his Monograph on Cyclas and 
Pisidium^ added — 
1. Pisidium nitidum. 
24th. In 1834, Mr. Thompson, in a notice read at the Lin- 
D 80 an Society, added — 
1. Amphipeplea involuta. 
25th. In 1837, Mr. Alder, in his List of British Land and 
Fresh-water Shells, added — 
4. Helix hybrida, as a variety of H. hortensis. — 5. Helix 
depilata. — 6. Helix limbata, on the authority of Mr. G. B. 
Sowerby. 
26th. In 1838, Mr. Alder, in a supplement to his paper on 
the Newcastle shells, added — 
7. Helix sericea. — 8. Vertigo alpestris.— 9. Clausilia dubia. 
— 10. Planorbis Isevis.™ 11. Pisidium cinereum. 
27th. In 1838, Mr. Gilbertson, at the meeting of the 
British Association at Newcastle, added — 
1. Alasmodon elongatus, var. Eoissyi, 
