290 ADDITIONS TO FAUNA. 



18th. In 1829, Mr. 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 

 pygmaea ; 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. 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- 

 naean 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 laevis. 11. Pisidium cinereum. 



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

 British Association at Newcastle, added 

 1. Alasmodon elongatus, var. Roissyi. 



