PLATE XXVIII 



PAGE 



? Anchura carinifera. Magnified. 166 



*&* 



Helicaulax costata. Magnified. 107 



Loxotkema turrita. Natural size. 168 



Atresius liratus. Magnified. 169 



Tukritella Marxinezensis. Natural size. 159 



Nerita (Theliostyla) triangulata. 170 

 Magnified view of the back. 

 52 a. Front view. 



Fig. 53. Calliostoma radiatum. Magnified. 170 



Fig. 54. Ataphrus crassus. Magnified. 171 



Fig. 55. Margaritella axgulata. Magnified. 172 



Fig. 56. Acmjea Tejonensis. Magnified. 172 



Fig. 57. Actjeonina puroiDES. Magnified. 173 



Fig. 58. ActmEONELLA oviformis. Natural size. 173 



Fig. 59. LlOClTiM punctatum. Magnified. 174 



Fig. 60. Ringixella polita. Magnified. 174 



