fissurellid^e. 201 



distincto; margine aperture minute denticulato ; foramine magno, 

 circulari, longe ante medium posito. Obs. F. suffuse/, Eve., is 

 only a variety of this without the variegated bands. 



116. /EGis (f. 188), Rve. — F. cancellata simili, sed magis de- 

 pressa ; fasciis distantibus; costis magis distantibus et acute angus- 

 tatis ; foramine oblongo. Obs. Flatter than F. cancellata, with 

 narrower, more distant, and sharper ribs. 



117. elongata (f. 1S5), Philippi. — Quam F. agis multo an- 

 gustiore. Obs. Although much narrower than F. agis, this 

 shell is not very distinct from that species. 



118. cruciata (f. 191), Krauss. — Quam F. eegis ad apicem 

 magis elevata, costis radiantibus baud tantum extantibus, alba, 

 fasciis fuscis quatuor cruciatim radiata. Obs. The apex is more 

 elevated and the ribs sharper and closer than (although not so 

 prominent as) in F. eegis. Obs. It is white, radiated by four 

 brown bands. 



119. le.ntiginosa (f. 190), Rve. — Ovali-oblonga, subdepressa, 

 costis scabris alternatis crebris radiata, alba, griseo fasciatim macu- 

 lata et variegata ; intus grisea ; margine denticulato ; foramine 

 magno, rotundo. Obs. Kather more gibbous than the three pre- 

 ceding species, with the ribs sharp and close as in F. cruciata. 

 Obs. It is white, speckled with grey in radiating bands. 



120. crenifera (fig. omitted). — Oblonga, valide depressa, 

 alba, fasciis rubris sex latis picta, costis distantibus nodosis ra- 

 diata ; intus albo margine crasso, creuulato ; foramine oblongo, 

 prope medium posito. Obs. A figure of this has been inadver- 

 tently omitted ; it is flat and oblong with nodulous ribs, and a 

 nearly central oblong foramen. 



121. aculeata (f. 186), Rve. — F. creniferee simili, sed alba, 

 costis alternis acute imbricatis. Obs. Differing from F. crenifera 

 in the sharp imbrications of the more prominent ribs. 



122. sagittata (f. S3). — Oblonga, depressa, radiatim stri- 

 ata, alba, fasciis roseis 11 et maculis angulatis fasciata, intus alba; 

 marginibus termiualibus paulo elevatis ; foramine oblongo, paulo 

 supra medium posito. Obs. Prettily radiated with pink bands, 

 between which are angular brown spots. 



123. crenulata (f. 18), Sowb. — Magna, expansa, ovali-ob- 

 longa, postice depressa, antice gibba, fulva-grisescente, striis impres- 

 sis radiata ; striis concentricis crenulatis ; intus alba; callo apicali 

 valido ; margine crenato, apertura? margine denticulato, ad latera 



