132 



Apex large hemispheric ; spire sub-cvlindrie.. 



12. F. tholoides. 

 Apex smaller ; spire couic, ventricose. 



13. F. Aiding ens is. 

 III. Periphery neither angulated nor shouldered. 



Shell lanceolate-fusiform. 



"Whorls flat, spirally lirate ; no costae. 



14. F. aciformis. 

 Whorls flat, costated, spirally sulcated. 



15. F. hexagonalis. 

 "Whorls rounded, costated, with distant slender 



lirse. 10. F. sculptilis. 



Shell elongate-fusiform. 



"Whorls rounded or flatly convex and subimbricat- 

 ing, without costae ; apex bulbous. 



16. F. lulbodes. 

 "Whorls rounded, posterior whorls plicate. 



Lirae slender and granular ; canal long and 

 slender. 17. F. Meredithce. 



Lirse prominent angular, whorls very convex,, 

 spire attenuated. 18. i^. Gippslandicus.. 



Lirse thick, few ; canal short and stout. 



19. F. dumetosus. 

 Whorls squarely rounded, covered with rows of 



tabular spines. 6. F. senticosus. 



Shell ovately fusiform. 



Whorls rounded, posterior whorls plicate. 



20. F, Tateanus. 



SPECIES EXCLl'DED. 



F.funiculatus, T. Woods, is transferred to Oolunibella. 



F. Ino., T. Woods, is transferred to Dennantia. 



F. Foblini, T. Woods, is transferred to Siplwnalia. 



F. styliformis, T. Woods, is transferred to Sipho. 



F. transenna, T. Woods, is transferred to Feristernia. 



F. vitreoides, K. M. Johnston, in Proc. Eoy. Soc, Tasm., for 

 1879, p. 32, from Table Cape, is uniquely represented by a 

 rolled imperfect shell offering no distinctive characters, and 

 had better be expunged ; the generic position is very doubtful. 



1. Fusus foliaceus, spec. nov. Plate vii., fig. 10. 

 Shell rather thin, with a high gradated spire ending in a small 

 blunt mamillate apex of one and a half smooth whorls. AVhorls- 

 eight and a half, the third whorl angulated in the middle and 

 plicate ; the rest of the whorls excessively angulated, the keel 

 extended into a compressed upturned flange. The flange con- 

 sists of two laminae, separated and supported by vertical trans- 

 verse plates. The posterior slope of the whorls within the 



