PLATE XLV. 



Fi S- Page 



1. Lithopoma tuber. Shell. . . . 401 



1, a, 1, b. Lithopoma tuber. Operculum. . .401 



2. Pomaulax undosus. Shell. .... 402 



2, , 2, b. Pomaulax undosus. Operculum. . . 402 



3. Cookia sulcata. Quay et Gaim. Voy. Astrol. Moll. pi. 



60, fig. 20. . . . . . . 403 



3, a, 3, b. Cookia sulcata. Operculum. . . . 403 



3, c. Cookia sulcata. Shell. . . 403 



4. Bolma rugosa. Chiajes Poll, 3, pi. 52, fig. 45. . 403 

 4, a, 4, b. Bolma rugosa. Operculum. . 403 



4, c. Bolma rugosa. Shell. . . . 403 



5. Liotia Peronii. Original. A. A. . . 404 

 5, a, 5, b. Liotia Perouii. Operculum. . . 404 



5. c. Liotia scalarioides. Shell. .... 404 



6. Cyclostrema serpuloides. An. and Mag. Nat. Hist., vol. 



8, 2nd ser., p. 45. . .405 



0, a. Cyclostrema cancellata. Shell. . . . 405 



7. Adeorbis subcarinata. Shell. . 407 



