PARTULA.— Plate III. 



compresse umbilicatd, anfraciibus quinque, convexis, 

 lavibus, niieniibvs, nisi sub lente mintdissime spiraliter 

 impresso-lineatis, aperturd subquadraio-ovatd, obliqud; 

 flavicante, aut purpureo-castmwd, autfavicanie et pur- 

 pureo-castaneo fasciatd, labro colore ititerdim tincio, 

 apice sape nigricante. 

 The variable Paktcla. Shell acuminately ovate, 

 rather thin, compressly umbilicated, whorls five in 

 number, convex, smooth, shining, unless very mi- 

 nutely spirally impressly lineated beneath the lens, 



aperture somewhat squarely ovate, oblique ; yel- 

 lowish, or piurple-chestnut, or yellow and purple- 

 chestnut banded, lip sometimes stained with colour, 

 apex often blackish. 



Brodekip, Pro. Zool. Soc. 1832, p. 125. 



Hab. Society and Navigator's Islands (on bushes); Cuming. 

 Dr. Pfeiffer regards this species as a variety of P. rosea. 



Both species are extremely variable in their colouring, but 



the species and their varieties are clearly distinct the one 



series from the other. 



