Genus OXYCHONA Morch . . . . . .154 



Genus DRYM^EUS Albers ...... 154 



Genus PORPHYROBAPHE Shuttleworth .... 163 



Genus OXYSTYLA Schliiter . . . . . .164 



Genus BOTHRIEMBRYON Pilsbry ..... 166 



Genus PLACOSTYLUS Beck 167 



UNDETERMINED BULIMULID^E 171 



Family CERIONID^E. 



Genus CERION Morch . . . . . . . 174 



INDEX TO CERION . 284 



EXPLANATION OF PLATES ....... 287 



Dates of issue of the parts of Volume XIV .... 302 



THE author gratefully acknowledges assistance, either in the 

 form of specimens or information, received from Dr. H. von 

 Ihering, Professor Wm. H. Dall, Messrs. E. R. Sykes, Geo. H. 

 Clapp, Wm. Moss and others. The value of this volume has been 

 materially enhanced by these favors. 



NOTE. A synopsis of the soft anatomy of the Bulimulidce, and 

 an index to the species contained in volumes X, XI, XII, XIII 

 and XIV, will be issued with the next number of the MANUAL, as 

 a supplement to the present volume. 



