196 DOLIID.E. 



Genus DOLIUM, Browne. 



Shell thin, roundly oval, ventricose, inflated ; spire 

 small ; whorls transversely furrowed ; aperture very large, 

 with a short posteriorly reflected canal; inner lip thin, 

 widely expanded ; outer lip fimbriated or crenated. 



Syn. Perdix, Mo?itf. Galea, Mart. Dolites, Klug. 

 Cassida, Lang, not Linn. Tonna, Brunn. 



Ex. D. oleariura, Unnceus, pi. 20, fig. 6. Shell, D. 

 olearium, fig. 6, a. 



The " Tuns,'' as they are sometimes called, known by 

 their large, light, ventricose shells with transverse ribs or 

 furrows, are found in the Mediterranean, Ceylon, China, 

 Australia, and the Pacific. 



Species of Doliwn. 



amphora, Phil. lactescens, Mart. 



australe, Chem. melanostoma, Jay. 



cassis, Bolt. olearium, Linn. 



Cumingii, Hanley. pennatum, Mart. 



Deshayesii, Beeve. perdix, Linn. 



fasciatum, Mart. tessellatum, Lam. 



galea, Linn. zonatum, Green. 



Genus CADIlJM, Link. 



Shell ovately globose, thick, with transverse elevated 

 ribs; aperture ringent; columella with numerous trans- 

 verse plaits, or with callous prominences; outer lip thick- 

 ened, greatly reflected, and plicately dentate. 



Syn. Malea, Valenciennes. 



