130 PURPURiN^:. 



the spiny or tubercular character of their whorls, their 

 purple ringent apertures, and the digitation of the outer 

 lip, at least in the typical species. 



Species of Pentadactyhis. 



albolabris, Blainv. liystrix, Lam. 



clathratus, Lam. iodostoma, Lesson. 



elegans, Brod. Laurentianus, Petit. 



globosus, Mart. lobatus, Blainv. 



grossularius, Bolt. ricinus, Linn. 



Sub-gen. sistrum, Montfort (Morula, Schiim.). 



Shell ovate, whorls nodose or spiny ; inner lip with a few tuber- 

 cular folds anteriorly ; outer lip thickened and crenulated, inter- 

 nally tuberculate or striated. 



albus, Mart. iostoma. Reeve. 



Anaxares, Duel. monilis, Chem. 



asper. Law. muricatus, Reeve. ■ 



cariosus. Wood. musivus, Kien. 



cavernosus, Reeve. muticus, La7n. 



chaideus. Duel. ochrostoma, Reeve. 



chrysostoma, Desh. sidereus. Reeve. 



concatenatus, Blainv. spectrum. Reeve. 



dealbatus, Reeve. spinosus, H. and A. Adams 



elatus, Blainv. (chrysostoma, Reeve). 



elongatus, Blainv. tuberculatus, Blainv. 



fiscellum, Chem. undatus, Chem. 

 funiculatus, Reeve. 



Genus ACANTHINA, Fischer. 



Shell ovate, last whorl large ; spire rather elevated ; 

 aperture semilunar; inner lip wide and flattened; outer 

 lip crenated, with a prominent tooth at the fore part. 



