SOWEUBY : NEW MOLLUSCA FROM VARIOUS LOCALITIES. 9 



Brachydontks granosissima, n.sp. 



Teste! oblonga, sub-flabelliformis, tenuis, compressiuscula, nigvo- 

 fusca, radiatim densissinie grano-lirata, antice acute acuminata, postice 

 elliptica, latiuscula ; margo dorsalis oblique rectiusculus, antice declivis, 

 postice obtuse anofulatus ; margo ventralis arcuatim constrictus ; latns 

 posticum supra declivis, infra rotundatum; umbones baud elevati, 

 subterminali ; pagina interna margaritacea, hie illic cseruleo tincta, 

 marginibus crenulatis ; cardo lira elongata angusta instructus ; liga- 

 mentum perelongatum, internum. Long. 80, maj. lat. 40 mm. 



Hab. — Andaras, South America. 



This shell in Ibrm closely resemldes B. demis.sa (Uillwyn), but it is 

 more sharply acuminated at the anterior end, and the more particular 

 distinguisliing character is found in the granular sculpture wbicli 

 adorns its surface. The radiating riblets of B. demissa are prominent 

 and almost smooth, while in B. granoHissima they are twice as numerous 

 and composed of prominent close- set granules. As in other species 

 of tliis group, there is a space towards the anterior end in which the 

 radiating ridges become obsolete find are resumed at the extremity. 



Small specimens oi f/ranosissima, generally of a more inflated form, 

 have been received from Florida. 



CfllONE EUGLVPTA, U.Sp. 



Testa transverse ovalis, compressiuscula, sordide albidn, costellis 

 obliquis numerosis, liris concentricis crassiusculis s(]uamoso-nodulosis 

 clathrata ; umbones ante medium locati, leviter incurvati ; margo 

 dorsalis anticus valde declivis, posticus arcuatus ; margo ventralis 

 rotunde arcuatus ; ligamentum elongatum, immersum. Pagina interna 

 alba, Isevis, marginibus crenulatis. Dentes cardinales 3, crassiusculi, 

 divergentes. Diam. anteio-post. 26, umbono-marg. 22, crass. 15 mm. 



Hah. — Japan. 



Specimens of this species have been distributed as V. adamsi (Reeve), 

 and the sculptuie is similar, but the shell is very much smaller without 



