290 ADDITIONS TO FAUNA. 



18th. In 1829, IMr. Jeffreys, in his paper in the Linncean 

 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 Edinburgh 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. Ti-ans., 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- 

 na^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 lajvis. — 11. Pisidium cinereum. 



27th. In 1838, Mr. Gilbertson, at the meeting of the 

 British Association at Newcastle, added — 

 1. Alasmodon elongatus, var. Roissyi, 



