JOUKNAI. OK CONCHOLOGV, Voi,. 12 



PlATK 4. 



J. H. UlKMAS, .M.S.-., (I,-1. 



Sketch Miip sh(nving Distribution of Vertigo alpestris (AMci) and 

 V. piisilla Miiller in Weatmoilaiul {see p. jog). 



