CONTENTS OF VOL. Ill, 



Class GASTROPODA, 

 Subclass PIJLMONATA, 

 Order STYLOMMATOPHORA, 

 Suborder Monotremata, . 



Family TESTACELLIDJi:, 



Family OLEACINID.E, 



Family STREPTAXIDJE, 



Family HELICOIDEA, 



Family VITRINID^, . 



Family ZONITIDvE, . 



Family HELICID^, . 



Family 0RTHAL1UIDJ3, 



Family ACHATINID^, 



Family ACHATINELLID^, 



Family CYLINDRBLLID.E, 



Family PUPID^E, 



Family LIMACIDJ^, . 



Family TEBENNOPHORID.E, 



Family ARIONID^, . 



Family SUCCINEIDtE, 

 Suborder Ditremata, 



Family YERONICELLID.E, 



^5) 



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