List of Plates. 



XV 



Plate XVIII. 



Fig. A. Helix Harfordiana, Cooper. Dentition. 



B. " leporina, Gould. 



C. " Ingersolli, Bland. 



D. Lnnnx montanus, Ing. 



E. Helix (turieulata, Say. 



F. Var. castaneus of D. 



G. Ariolimax Andersoni. Cooper. 

 H. " Hemphitti, Binney. 



I. Anctdenus, 

 For details of Plates XII to XVIII, see pages 195 and 196 of text. 



Plate XIX. 



Map of Lake Wakatipu, New Zealand. 

 Present lake area in blue. 

 Ancient extension in yellow. 

 T. Outcrop of Tertiary limestone. 

 31. Old terminal moraine. 



