2_ 



/■ / / 



<?-iS%-3 



^WTxi 



•<jd 



Fii3 :?:s^'^ 



With the Aulhor's Coniplimenfs 



W 



Oii Bergh's Malacologische Untersuchungen 



BY 



R. WINCKWOETII 



\ 



Befrinted Jrom the. Proceedinos of thk Malacological Society of Losdon, 

 Volumo 27, part 1, 21 Maj- 1946. 



