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IV CONTENTS. 



Subgenus Promoussonius Pilsbry 230 



Chryserpes Pilsbry 231 



Zoniferella Pilsbry 233 



Genus RHODEA H. & A. Adams 234 



OBELISCUS Beck , 240 



Subgenus Protobeliscus Pilsbry 251 



Stenogyra Shuttleworth 258 



Pseudobalea Shuttleworth 271 



Lyobasis Pilsbry 274 



Genus NEOBELISCUS Pilsbry 280 



Genus LEPTINARIA Beck 284 



Section Neosubulina E. A. Smith 287, 322 



Subgenus Ischnocion Pilsbry 287, 324 



Pelatrinia Pilsbry 287, 324 



Genus OCHRODERMA Ancey 325 



Section Ochrodermella Pilsbry 327 



Subfamily CCELIAXIN^E Pilsbry 330 



Key to genera of Cceliaxince 330 



Genus CRYPTELASMUS Pilsbry 331 



THOMEA Girard 333 



PYRGINA Greef 334 



DISTCECHIA Crosse 335 



CCELIAXIS Adams and Angas 336 



Family STREPTAXID.E. 



Genus OBELISCELLA Jousseaume 100 



APPENDIX (Homorus, Euonyma and Curvella) 338 



REFERENCE TO PLATES 



