LITERATURE. 295 



Roebuck, W. Denison (continued). — 



New "Variety of Arion ater. — Journ. of Conch., Jan. 18S4, 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 Miill. in Britain. — Id., iv., p. 134. 



Arion ater var. bicolor in W. Gloucestershiie. — Id. , iv., July 1884, p. 217. 



Limax maximus var. ferussaci 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, etc., 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 Mae. 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 pis. 

 On the Affinities of the Genera Limax, Arion and Helix. — Conch., 1892, p. 83. 

 Note on the Geographical Distribution of Georaalacus maculosus Allm. in 

 Ireland. — Proc. MaT. Soc. London, 1893, p. 17. 

 A new Irish Species of Arion. — Irish 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 Naoktschnecken 

 und ihrer europaishen Verwandten. — 1885, pp, 163 and 5 pis. 

 Beitrage zur Kenntniss der Nacktschnecken. — 1889, pp. 92 and 4 pis. 



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 Testacellfe.— Journ. of Conch., Oct. 1891, p. 413. 



Sterki, V. — Growth Changes in the Radula of Land Mollusks. — Proc. Acad. Nat. 

 Science Philad., 1893, pp. 388—400 and 2 pis. 



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.— Proc. Roy. Soc. 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., Dec. 1886, p. 279. 

 Tye, G. Sherriff. — On a case of Protective Resemblance among Slugs. — Journ. of 



Conch., June 1894, pp. 21, 22. 



AVebb, W. M.— Slugs.— Sci. Goss., June 1887, p. 124. 



Westerlund, C. A.— Fauna d. in d. Palaearctischen region lebenden Binnen- 



conchylien, 1886. 

 Williams, J. W. — Limax maximus v. marniorata.— 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. 

 Oar 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. 



