292 MONOGRAPH OF BRITISH LAND AND FRESHWATER MOLLUSCA. 



LITERATURE. 



Worths which in addition to those on page 30 may be profitably consulted. 



Adains, L. E. — Observations on the Pairing of Liniax maximus L. — Journ. of 

 Conch., July 1898, pp. 92—95, and pi. ii. 



Alder, Joshua. — A Catalogue of the MoUusca of Northumberland and Durham. 

 —Trans. Tynes. Nat. Field Club, 1848. 



Allnian, G. J. — Description of a New Genus of Pulnionaiy Gastropod. — Ann. 

 and Mag. Nat Hist., 1846, xvii. 



Am Stein, J. G. — Beitriige zur Mollusken-Fauna Graubiinden's, 1889 — 1892. 



Andre, E. — La Fossette triangulare caudale des Arions. — Rev. Suisse et Ann. 

 Mus. Hist. Nat. Geneva, 1898, pp. 179—182 and fig. 



Recherehes sur la Glande p(5dieuse des Pulmonis. — Rev. Suisse de Zool., 

 1894, pp. 291—348. 



Ashford, C. — Land and Freshwater MoUusca round Cluistchurch, South Hants. 

 — Journ. of Conch., Jan. 1887, p. 153. 



B., J. — Spinning Slugs. — Loudon's Mag. Nat. Hist., ii., p. 485, Nov. 1829. 



Babor, J. F. — Ueber den Cyclus der Geschleehtsentwicklung der Stylommato- 

 phoren. — Verli. Deutsch. Zoo). Ges. , 1894, pp. 55 — 61, and ligs. 



Baudon, Aug. — Memoire sur les Limaciens dn D6partement de I'Oise Beauvais, 



1871. 

 Belt, A. — Uncommon Varieties of Arion and Limax — Zool., Oct. 1885, p. 389. 



Blair, T. — A short Notice of the Habits of Testac611us schtulum. — Loudon's 

 Mag. Nat. Hist., Jan. 1833, pp. 43—47. 



Bree, W. T.— Spinning Slugs.— Loudon's Mag. Nat. Hist., Mch. 1829, ii., p. 69. 



Brevifere, L. — Tableau d. Limaciens d. Envir. de St. Saulge, 1881. 



Clarke, Rev. B. J. — On the Species of the Genus Lima.": occurring in Ireland. — 

 Ann. and Mag. Nat. Hist., Nov. 1843, pp. 332—4. 



Cockerell, T. D. A. — Varieties of Arion ater. — Science Goss., June 1885, p. 140. 



A New Variety of Limax maximus. — Nat. World, Sept. 1885, p. 178. 



Chanioeleonic Arions. — .Science Goss., June 1886, p. 140. 



Limax arbornm and the Influence of Altitude on Colour. — Zoologist, Aug. 

 1886, pp. 418—420. 



Slug Variation. — Science Goss., Jan. 1887, p. 16. 



On Agriolimax montanus in Colorado. ^Journ. of Conch., Oct. 1888, p. 358. 



Notes on Slugs, chiefly in the Collection at the British Museum. — Ann. and 

 Mag. Nat. Hist., 1890, pp. 278 and 380 ; also 1891, pp. 97 and 328. 



Synopsis of the principal Varieties of Agriolimax agrestis. — Naut , Oct. 1891. 



On the Geographical Distribution of Sings. — Proc. Zool. Soc, 1891, p. 214. 



Arion circumscriptus Johnst. =bourguignati Mabille. — Brit. Nat., 1891, p. 20. 



Notes on A. hortensis, A. circuniscnptus, and their Allies. — Conch, i., p. 33. 



The Genera Limax, Arion, and Helix. — Conch., June 1892, ii., p. 28. 



The British Arionida'.— Conch., Dec. 1892, p. 84. 



A Revised List of the Species of British Sings. — J. of Conch,, 1892, p. 66. 



The Endemic Features of the British Slug Fauna.— Sci. Goss., 1892, p. 255. 



A Check List of the Slugs.— Conch., Sept. 1893, pp. 168—176; and Dec. 

 1893, pp. 187—228. 



CoUinge, W. E. — Notes on the Variation of the (ienus Arion. — Ann. and Mag. 

 Nat. Hist., 1892, pp. 307—8. 

 Description of a New Variety of Arion hortensis For., and A. circumscriptus 

 Johnst.— Conch., 1892, ii., p. 26. 

 Limax maximus and its variety cinereo-niger Wolf. — Ann. and Mag. N.H., 



1892, pp. 425—6. 



List of British Land and Freshwater MoUusca. — Conch., 1892, p. 34. 



A Catalogue of the Slugs of the British Isles.— Biit. Nat., 1892. 



A Review of the Arionidiu of the Biitisih Isles. — Conch., Dec. 1892, p. 78. 



On the Structure and Aflinities of some European Slugs. — Conch., March 



1893, p. 113. 



Some Notes on Irish Slugs. — Irish Nat., July 1893, p. 148. 



