CONTENTS. 



PAGB 



Introduction : The Orthurethra . - vii 



Family FERUSSACID^E Bourguignat (continued) 1 



Genus CJECILIOIDES Herrmannsen lj 



GLESSULA von Martens 50, 320 



Appendices to Oleacinida, Achatinida, Ferussacida, 

 Bulimulidce : 



Genus SPIBAXIS Ad Ill, 



VARICELLA Ill 



STREPTOSTYLA Ill 



EUGLANDINA Crosse & Fischer Ill 



POIRETIA 112 



ACHATINA Lamarck 113 



ARCHACHATINA Albers 113 



LEPTINARIA 114 



BOCAGEIA 114 



RUMINA Risso , 114 



FERUSSACIA Risso 114 



HOHENWARTIANA Bourg. . . 114 



HEMIBULIMUS von Martens 114 



Index to Achatinida, Oleacinidce and Ferussacida 119 



Family PARTULID^B Pilsbry 155 



Genus PARTULA Ferussac 155 



Index to Partulida 322 



Explanation of plates 



(v) 



