SOLECURTUS. 



Species 3:3. (Mus. Brit.) 



SOLECOItTUS FHAGILIS. Sol. ti'std jmrVi'l , illl'.'l, jii'l I iiriild, 



Icnvigatd, suhcsquUaterali, 7)iedi(i-(/i /iny^), jini/n) 

 umbones pxtrpureo intus radiaid ; vtarglne dursali 

 utrinque declivi ; margine veuti-ali medio excavato ; 

 latere postico lonyiilsculo. 

 The fragile Solecuhtus. Shell small, white, pellucid, 

 smooth, rather equilateral, depressed in the middle, 

 rayed near the imiboes, with purple inside ; dorsal 

 margin sloped at each side ; ventral margin ex- 

 cavated in the middle ; posterior side rather the 

 longi-r. 



DlLWYN ? 



Hah. Nicobar Islands. 



A single raj* of purple near the uinbocs is seen 

 through the pellucid shell. 



Species 34. (Mus. Brit.) 



SoLECURTUS NITIDISSIMOS. Sol. testd oblowja, anjustd, 

 compressd, iiueqidlaterali, pallidi' pwpureo-radiiitd, 

 antice concentrice tenuiter rurjatd ; latere antico 

 eloiKjato, ad termimim suhrotundo ; latere postico 

 bi-eviilsculo, supernS cuneato, ad teniiimin ohlique 

 truncato. 



TiiE POLISHED S0LECCRTU.S. Shell oblong, narrow, com- 

 pressed, insequilateral, rayed with pale purple, 

 anteriorly concentrically finely wrinkled ; anterior 

 side elongated, rather rounded at the end ; pos- 

 terior side rather short, wedge-shaped above, 

 obliquely truncated at the end. 



DoRliN. Proc. Zool. Soc, 18G1. 



Hah. ? 



Species 35. (Mus. Sowerby.) 

 SoLECURTUS BiDENS. Sol. tcstd eloiiijatd, a/igugtd, epider- 

 mide Imvigatd, olivaced iiidutd, intus versus mar- 

 giiiem puipured, ad umhones purpurea uniradiatd; 



latere postico longiiiscuhi, siiLlnincato ; mai-gine 

 ventrali medio siibcontracto. 



TiiK DOUisLE-TOoTiiED SoLECURTus. Shell elongated, 

 narrow, covered with a smooth olive epidermis, 

 purple within, towards the margin, with a single 

 ray of purple at the umboes ; posterior side 

 rather long, somewhat truncated ; ventral margin 

 rather contracted in the middle. 



Chemnitz. Conch., fig. 1931). 



Hab. Nicobar Islands. 



The differences between S. bidiiis and S.fragi/is are 

 those of form, the latter being proportionately narrow 

 and oblonij. 



Species 36. (Mus. Brit.) 



SoLECURTUS Calikornianus. .S'o/. testd elongatd, an- 

 gusid, compressd, medio pallide Julvd, utrinque 

 sordid!: olivaced ; umhonibus suhcentralibus ; latere 

 postico oblique- angulato, radiatim striata, ad ter- 

 minum truncato, latere antico ad terminum 

 suhrotundo ; marginihus dorsali ventralique rectis. 



The Califorsian Solecurtus. Shell elongated, narrow, 

 compressed, pale fulvous in the middle, dull olive 

 at each end ; umboes nearly central ; posterior 

 side obliquely angular, radiately striated, trun- 

 cated at the end, anterior side rounded at the end, 

 dorsal and ventral margins straight. 



Conrad ? 



Hab. California. 



Species 37. (Mus. Brit.) 

 Solecurtus angulatus. Sol. testd ollongd, suhci/liu- 

 dricd, rectd, pallide fulud, epide.rmide rugosd 

 indutd ; latere postico brevi, valide angulato, suh- 

 oblique truncato ; latere antico elongato, concentrice 

 tenuiter lirafo, truncato ; margine dorsali declivi, 

 margine ventrali recto. 



November, 1874. 



