VIU CONTENTS. 



PAGE 



Section B. HoLosTOiiATA 122 



Fam. I. NaticidcB. — Natica, Sigaretus, Lamellaria, Narica, 



Velutina 122 



Fam. II. Fyramidellid(B. — Pyramidella, Odostomia, Cliem- 



nitzia, Stylina, Loxonema, Macroclieilus 125 



Fam. III. Cerithiadce. — Cerithium, Potamides, Nerineea, 



Eastigiella, Aporrliais, Strutliiolaria 127 



Fam. IV. MelaniadcB. — Melania, Paludomus, Melanopsis... 130 

 Fam. V. Turritellida. — Turritella, Aclis, Csecum, Yerme- 



tus, Siliquaria, Scalaria 132 



Fam. VI. Litorinida. — Litoriaa, Solarium, Phorus, Lacuna, 



Litiopa, Rissoa, Skenea, Truncatella, ? Lithogljphus ... 134 

 Fam. VII. Paludinidae. — Paludiua,Ampullaria, Ampliibola, 



Valvata 138 



Fam. VIII. Neritidije. — Nerita, Pileolus, Neritina, Navicella 140 

 Fam. IX. Turbinidce. — Tui'bo, Phasianella, Imperator, Tro- 



clms, E,otella, Monodouta, Delphinula, Adeorbis, Euom- 



plialus, Stomatella, Broderipia 142 



Fam. X. Haliotis. — Haliotis, Stomatia, Scissurella, Pleuro- 



tomaria, Murchisonia, Trocliotoma, Cirrus, lauthina 146 



Fam. XI. FissurellidcB. — Pissurella, Puncturella, Rimula, 



Emarginula, Parmophorus 149 



Fam. XII Cali/ptrceidcB. — Caljptreea, Crepidula, Pileopsis, 



Hipponyx '. 151 



Fam. XIII. Paiellidce. — Patella, Acmsea, Gadiuia, Siplio- 



naria 153 



Fam. XIV. Dentaliadcs. — Dentalium 156 



Fam. XV. CMtonidce.— Chiton 156 



