286 Quaiierly Journal of Conchology. 



discovery of a species of Clausilla in Alaska (formerly Russian 

 America) seems to confirm this view. A very complete catalogue 

 of the species of this province (except the Atlantic Islands) is Dr. 

 Kobelt's " Catalog der im Europceischen Faunengebiet lebenden 

 Binnenconchj-lien," and Rossmaessler's Iconographie with Kobelt's 

 continuation, will, when complete, give figures and descriptions of 

 all the species of land and freshwater shells mentioned in the 

 Catalogue. 



There is no want of works on particular districts, this having 

 been naturally the best explored province of all, especially in its 

 northern parts. 



For lists of the species found in the Atlantic Islands the 

 following authors should be consulted : Morelet for the Azores, 

 Paiva for Madeira, etc., Mousson for the Canaries, and Dohrn"s 

 papers for the Cape de Verdes. 



We sub-divide tliis province as follows : — 



1. :KOnTJIERK BEGIOK. 



f. MEDITEEBAjYEAM eegiox. 



A. Austro-Turkish Division. 



B. Italian Division. 



C. Hispano-AIgerian Division. 



3. ATLAJs'TIC BEGIOK. 



A. Azores. 



B. Madeiran Archipelago. 



C. Canaries. 



D. Cape de Verdes. 



1. THE XOETEEliX REGIOM.-^^^'^^ region, which we 

 consider as embracing the whole of Europe to the north of the Medi- 

 terranean basin, Siberia, and Arctic America, and, probably, from 

 the list of species found near Kieff, published by M. Jelski in the 



