658 EXPLANATION OF THE PLATES. 



Fig. B. Octopus tenehricas, dorsal view ; B 1 , oral aspect ; B 2 , end 

 of hcctocotylized arm, lateral view; B 3 , lower side of 

 same. 



C. maculosits. 



D. Pleurotoma (Drillia) torresiana, front view ; D 1 , side 



view. 



E. (Drillia) lateradata (the type). E 1 . Variety. 



E. (Glyphostoma) spurca (the type). F 1 . Variety. 



Gr. (Daphnella) arafurensis. 



H. Cytliara cylindrica (var.). H 1 . Lateral view. 



Plate V. 

 Fig. A. Murex coppinyeri. 



B. acantliosteplies. 



C. macyillivrayi. 



D. Fusus cereus. 



E. Tritonidea curtisiana. 



F. Latirus anyustus. 



G. TurbineUa (Tudicula) armigera. 

 H. ( ) spinosa. 



I. Mitra proscissa (var.). 



K. Voluta volva (var.). 



L. Natica limpida. 



M. Rissoina curtisi. 



N. Cerithium niyro-balteatum. 



0. torresi. 



P. TrocJms (Isanda) coronata (type). P 1 . Variety ; P a . Var. 

 lepida. 



Plate VI. 

 Fig. A. Troclius (Thalotia) torresi. 



B. (Monilea) lifuana, front view; B 1 , upper surface. 



k 



