LAND AND FRESHWATER MOLLUSCA OF SUSSEX. 85 
observations made chiefly in the western division of the 
county. 
2. Mr. Weaver’s account of the Mollusca to be found in the 
parish of Harting, near Petersfield, contained in Mr. 
Gordon’s recently published work, ‘The History of 
Harting,’ pp. 307—323. . 
8. “A Season’s Collecting of Landvand Freshwater Shells in 
' West Sussex,” by William Jeffery.. Published in ‘The 
Zoologist’ for 1868, pp. 1215—1217. 
4, “A List of Land and Freshwater Mollusca which have been 
met with in the Neighbourhood of Brighton,” published in 
Merrifield’s ‘Sketch of the Natural Peay of Brighton’ 
(1864, p. 223). 
5. “A List, with Notes on the Habitats and Teese: of the 
Land and Freshwater Mollusks observed in the Vicinity of 
Lewes, in Sussex,” by W. C. Unwin, Esq. Published in 
‘The Naturalist’ for 1853, vol. iii., pp. 54—58. 
6. A List of the Mollusca which have been found in the neigh- 
bourhood of Eastbourne; prepared, with other provisional 
lists of the Fauna and Flora of the District, by a Committee 
of the Natural History Society of Eastbourne, and published 
in Gowland’s ‘ Guide to Eastbourne,’ 8th edition. 
7. The Editor’s own notes of species collected, or identified, in 
excursions made in different parts of the county. during the 
last fifteen years.* 
The letters B, W, J, M, U, G, and H, which will be found 
appended to observations throughout the catalogue are the initial 
letters of the writers’ names above mentioned, and indicate the 
authority for the various statements to which they are appended. 
The systematic arrangement is that adopted in the first volume of 
Mr. Gwyn Jeffreys’ ‘ British Conchology.’ 
I. TERRESTRIAL MOLLUSCA. 
' UNIVALVES (GASTEROPODA). 
Fam. LIMAcIDE 
Arion ater. The Black Slug.—Found in the neighbourhood of 
Horsham, Cowfold, and West Grinstead, where black, white and 
* Some of these have already appeared in ‘ Rambles in Search of Shells,’ published 
by Mr. Van. Voorst in 1875. 
