CURRENT LITERATURE. 1 7 



Clapp, Geo. H. — Vitrina limpida in Pennsylvania. Naut., 1893, vol. viii., 

 pp. 94-5. 



Clarke, W. J. — Vimparus conlectus still living at Askern. Nat., 1893, p. 304. 



Cockerell, T. D. A. — Vallonia americana, Ancey, MS. Naut., 1893, vol. vii., 

 P- 94- 



Collinge, Walter E. — On the occurrence of Arion lusit aniens, Mab., in the 

 British Isles, and Descrs. of 4 New Varieties. Ann. Mag. N.H., 1893, 

 vol. xii., pp. 414-15. 

 Recorded from Bevihenen, Bantry Bay, Ireland, where it was collected by 

 Mr. H. Burnley Rathborne. 



The new varieties described are: — " rufescens, var. nov. Whole of body 

 a dark red. Sides of body bandiess. Sent with type by Mr. Rathborne." 

 — nigrescens, var. nov. Described from a black specimen from Ireland. — 

 " olivaceus, var. nov. Various shades of olive-green." Mentone. — " flavo-griseus, 

 var. nov. Yellowish grey. Foot-fringe usually lighter than the body." Mentone. 



The term nigrescens also includes plumbeous-coloured forms from Mentone. 

 Cooper, J. E. — Note on Helix piscina in the Channel Is. Journ. Conch., 1S93, 

 p. 265. 



Cooper, J. G. — On the L. and F. Mollusca of Lower California. Proc. Calif. 

 Ac. Sci. , 1893, vol. iii. , pp. 207-17 and 338-44, pis. xiii.-xiv. 

 The total now known is 54. of which a large proportion are Buliinuli. The 

 following are new: — Melaniellal Eiseniana (a curious sinistral species which 

 appears to be a link between Stenogyra and Cylindrella), Planorbis anitensis, and 

 PL peninsularis. 



Crouch, Walter. — On the Occurrence of Crepidula jornicata in Essex. Proc. 

 Malac. Soc. , Lond., 1893, vol. i., p. 19. 



Dollfus, A. — Thracia papyracea sur les cotes du Calvado. Feu. des Jeun. Nat., 

 1893, p. 15. 



Dumas, M. I'abbe. — Les Moll, de l'Allier. Rev. Sci. d. Borbonnais et du 

 centre d. 1. France. Ann. 6, Nos. 11-12, pp. 202-6. 



Fierke, F.W. — Viviparus contectus at Askern. Nat., 1893, p. 304. 



Gain, W. A. — The present Summer Conchologically. Brit. Nat., 1893, P- l %9- 



Gain, W. A. — The Mollusca of Nottinghamshire. Brit. Nat., 1893, pp. 224-6 

 and 233-40. 

 One or two slips have been made in the varieties of the slugs, thus A. etnperi- 

 coritm v. cinerea, Rbk., should be cinerascens, Ckll.; bicolor, Rbk., should be 

 bicolor, Moq. A. subfuscus, Drap., and A. intermedins. Norm., v. plumbeus, 

 Cllge. , are omissions. Mr. Taylor's account of the first typical Amalia gagates is 

 very amusing. — \Y. E. C. 



Girard, A. — Revision de la faune malacologique des iles Thome et du Prince. 

 Join. d. Sci. Ac. Real d. Sci., Lisbon, 1893, T. 3. 



Hanham, A.W. — Land Moll, observed in the Gaspe Region. Naut., 1893, 

 vol. vii., pp. 65-6. 



Hidalgo, J. C. — Obras Malacologicas. Entrega 3. Mem. Real. Ac. de Cien., 

 Madrid, 1893. 

 This part reprints a large portion of the author's papers on the Mollusca of 

 Central America. 



Kennedy, William. — Ianthina rotundati at Portrush. Irish Nat., 1893, P- 2 77- 



Knight, G. A. F. — Contrib. towards a List of the M. Moll, of the upper portion 

 of L. Linnhe, Argyllshire. Journ. Conch., 1893, pp. 232-7. 



