202 BIBLIOGRAPHY OF 1 87 5. 



Seventy-five species are enumerated, viz., i Succt?tea. 3 Ifya- 

 lina, 24 Helix, 6 Bidimus (including Cochlicopa), 2 Cczcilianella, 

 5 Claiisilia, 4 Pupa, i Vertigo, 1 Carychium, 6 Planorbis, i Physa, 

 5 Litnncea, i Ancyhcs, i Velletia, i Cyclostoma, i Pofnatias, 3 

 Bythinia, i Paludina, 2 Valvata, i Neritiiia, i Anodonta, i C/"«/i?, 

 I Pisidium and i Cyclas. 



Stefan! (Carlo de).— Recent Mollusca of the Upper 



Serchio Valley. — Molluschi viventi nella valle del Serchio 

 superiore &c. — Bull. See. Mai. Ital. 1875, i. pp. 35 to 67. 



An elaborate paper, with introductory remarks on distribu- 

 tion, &c., followed by a list of 45 terrestrial and 12 fluviatile 

 mollusca. A tabulation of their distribution is given, and a list 

 of 15 excluded species. At p. 63 a new species of Bythinia is 

 described but not named. Signor Stefani names i Arion, i Limax, 

 I Testacella, 4 Zonites, 19 Helix, 4 Bulimus, i Achatina, 6 Pupa, 

 I Vertigo, 5 Clausilia, i Succinea, 3 Li7nncea, i Planorbis, i 

 Ancylus, i Acme, i Cyclostoma, 2 Pomatias, 2 Bythinia and i 

 Pisidinm. The excluded species are of the genera Zonites (i), 

 Helix (7), Clausilia (i), Succinea (1), Ancylus (3), Potnatias (i.), 

 and Bythinia (i). 



Strebel (H.) — The Mexican Land and Freshwater Fauna. 



— Beitrag zur Kenntniss der Fauna Mexicanischer Land-und 

 Susswasser- Conchylien: Zweiter Theil, 51 pp. and 15 plates, 

 gr. 4to. : published 1875 by T. Friedrichsen & Co., Hamburg: 

 Price 12 marks. 



Noticed in the Jahrbiicher, April 1876, iii. 185 to 189, by 

 Dr. E. von Martens. 



Woods (Rev. J. E. Tenison).— On the Freshwater Shells 

 of Tasmania. — Proc Roy. Soc. Tasmania, August 9, 1875, 

 pp. 66 to 82, 



J.Cii., July, 1879 



