324 SHELLS AND SIIELL-FISH. PAKT IJ. 



inner lip very much developed^ and forming a tumid 

 rim all round the aperture. 



M. lactea Sw. Sow. Gen. f. 3. 



91 



(jlabella Sw. Volutiform ; the spire more 

 or less conic, and weU developed ; pillar 

 with basal plaits ; inner lip obsolete ; outer 

 lip thick, toothed, or crenated ; rarely 

 smooth.* (fig. 91.) 



P. ruffina Sw. En. Meth. nubicola. En. M, 377. f. 2. 

 377. f. 6. bifasciata. lb. f. 8. 



Goodalli. Tan. Cat. 2151 a. limbata. lb. 376. f. 3. 

 Faba. En. Meth. 377. f. 1. caerulescens. lb. 376. f. 8. 



Family 5. CYPR.^IDiE. Cowries. 



Oval ; polished ; spire entirely concealed ; aperture as 

 long as the shell, narrow, and open at each end ; outer 

 lip generally thickened and inflected. 



SuB-FAM. 1. CYPR/EIN^. 



Inner lip striated or toothed. 



CyPBiEA Linn. Shell always entirely 

 smooth ; the extremities of the aperture 

 obtuse ; the teeth marginal, and not 

 extending over the circumference of the 

 lips. 



C. Arabiea. Sow. Man. f. 445, 446. 

 caput-serpentis Lam. {Jig. 92.) 



PusTULARiA Sw. Shell generally marked by elevated 

 pustules ; aperture very narrow, and linear ; the ex- 

 tremities more or If ss produced ; the teeth continued 

 beyond, and frequently forming elevated striae across, 

 the lips. 



P. cieercula. En. Meth. 355. globulus. (Aberrant.) En. 



f. 1. Meth. 356. f. 2. 



* M. c<eriilescens Lam. (prunum Lir.n.) unites this type to Volutella. 



