LITERATURE. 295 
Roebuck, W. Denison (continued). — 
New Variety of Arion ater. —Journ. of Conch., Jan. 1884, p. 146. 
Slugs in County Durham.—Naturalist, Aug. 1884, p. 20. 
Gloucestershire Slugs.—Science Gossip, April 1884, pp. 78, 79. 
Limax maximus var. maculata Picard in Britain. —J. of C., Jan. 1884, p. 150. 
Limax maximus var. johnstoni Moq. in E. Gloucestershire. —Id., iv., p. 158. 
Limax agrestis var. reticulata Mill. in Britain. —Id., iv., p. 134. 
Arion ater var. bicolor in W. Gloucestershire. —Id., iv., July 1884, p. 217; 
Limax maximus var. férussaci in County Antrim.—Id., iv., July 1884, p. 222. 
New Variety of Limax flavus [grisea].—Id., iv., July 1884, p. 223. 
Variations in Lehmannia arborum, the Tree Slug.—Journ. of Conch., Jan. 
1885, pp. 276—280. 
A New Variety of the Cellar Slug, Limax flavus var. suffusa.—Journ. of 
Conch., July 1885, p. 352. ; 
New Varieties of Limax arborum and Arion ater.—Journ. of Conch., Oct. 
1885, pp. 375, 376. 
Arion ater var. nov. cinerea at Nottingham.—Naturalist, Sept. 1888, p. 284. 
Slugs, ete., in South Lincolnshire.—Naturalist, May 1889, p. 130. 
Orange coloured Arion ater at Durham.—Naturalist, July 1889, p. 212. 
The specific rank of Limax cinereo-niger Wolf.—Ann. and Mag. Nat. Hist., 
1893, pp. 225—226. 
Scharff, R. F.—Arion minimus Simroth a British Slug.—Journ. of Conch., iv., 
p. 267, 1890. ; 
The Slugs of Ireland.—Sci. Trans. Roy. Soc. Dublin, 1891, pp. 46 and 2 pls. 
On the Affinities of the Genera Limax, Arion and Helix.—Conch., 1892, p. 83. 
Note on the Geographical Distribution of Geomalacus maculosus Allm. in 
Treland.—Proe. Mal. Soc. London, 1893, p. 17. 
A new Irish Species of Arion.—Irvish Nat., 1893, p. 302. 
A supposed New Species of Limax from Ireland.—Irish Nat., 1894, p. 261. 
Scott, T.—Conchological Notes.—Journ. of Conch., Oct. 1887, p. 228. 
Simroth, H.—Versuch einer Naturgeschichte der Deutschen Nacktschnecken 
und ihrer europiishen Verwandten.-—1885, pp, 163 and 5 pls. 
Beitriige zur Kenntniss der Nacktschnecken. —1889, pp. 92 and 4 pls. 
Uber die nackten Limaciden und Testacelliden des Kaukasus.—Sitz.-Ber. 
Nat. Ges. Leipzig, 1891, pp. 40—49. 
Uber Kaukasische Limaciden und Testacelliden.—Verh. Deutsch. Zool. Ges., 
1891, p. 57. 
On some Testacellze.—Journ. of Conch., Oct. 1891, p. 413. 
Sterki, V.—Growth Changes in the Radula of Land Mollusks.—Proe. Acad. Nat. 
Science Philad., 1893, pp. 8388—400 and 2 pls. 
Tapping, T.—Observations on the Genus Testacellus and Description of a New 
Species, Testacellus medii-templi.—Zool., 1856, pp. 5099—5107. 
Tate, R.—On some Australian Slugs, chiefly Tasmanian.—Proe. Roy. Soe. Tas., 
1880, pp. 15—17. 
Taylor, J. M. B.—Testacella scutulum Sow. in Renfrewshire.—Journ. of Conch., 
July 1889, p. 114. 
Tomlin, J. R. B.—British Slugs.—Sci. Goss., Dee. 1886, p. 279. 
Tye, G. Sherriff.—On a case of Protective Resemblance among Slugs.—Journ., of 
Conch., June 1894, pp. 21, 22. 
Webb, W. M.—Slugs.—Sci. Goss., June 1887, p. 124. 
Westerlund, C. A.—Fauna d. in d. Palearctischen region lebenden Binnen- 
conchylien, 1886. 
Williams, J. W.—Limax maximus v. marmorata.—Nat. World, Dec. 1885, p. 235. 
On the Variation and Continental Distribution of British Slugs.—Sci. Goss., 
1886, pp. 54—56, 146—148, 99, 201—203, and 1887, p. 10. 
Slugs and their Varieties.—Young Nat., Oct. 1887, pp. 188—191. 
Our British Slugs. —Sci. Goss., 1887, pp. 10 and 44. 
Slug Gossip.—Sci. Goss., 1887, pp. 222, 223; 243, 244 ; 265—267. 
Wotton, F? W.—The Life-History of Arion ater and its Powers of Self-Fertiliza- 
tion.—Journ. of Conch., vii., p. 158. 
