OLIVA. / 



23. truncata (f. 41), Marrat. — Oblongo-ovata, albido- 

 rubescens, lineis longitudinalibus rufo-fuscis undulatis picta 

 et ad suturam fasciculata; spira rnucronata, balteo angusto 

 subcarinato, fusco flammulato ; columella omnino plicata, 

 plieis numerosis acutis, callo antico late quadriplicate), plicis 

 acutis tiuctis ; labio crasso, intus abraso. — The rounded 

 form, numerous plaits, short spire, and different markings, 

 all serve to distinguish this from 0. polpasta. 



24. brunnea (f. 54, 55), Marrat ; 0. oriola, Duclos, non 

 'Lamk. — Ovato-subfusiformis, subintlata, fusco-ustulata, ob- 

 scure reticulata et fasciculata ; apertura alba ; columella ob- 

 scure plicata, callo antico plicis 4-5 quarum tribus pur- 

 puras. 



25. Bewlei (f. 44), Marrat. — Cylindrica, subolongata, pur- 

 pureo-cinerea, lineis angulatim undulatis areas parvas tri- 

 gonas circumscribentibus notata, obscure bifasciata, balteo 

 subcarinato ; spira rnucronata, apice subpurpureo, sutura 

 fasciculata; columella medio et post medium plicata, pur- 

 purea, plicis anticis duplicatim divergentibus ; callo antico, 

 ad terminum plica, ad balteum contingenti, marginibusque 

 plicarum alterarum purpureis; apertura intus alba; labio intus 

 abraso et punctato. — Belonging to the reticularis group, but 

 of a more oblong form, and approaching 0. seripta et litte- 

 rata. The amethystine colouring of the anterior callus and 

 its folds is peculiar. 



26. figdra (f. 45), Marrat. — Cylindracea, utrinque ob- 

 tusa, fulva, lineis angulatis in fasciis duabus litteratis, ad 

 suturam elongato-fasciculatis notata ; spira brevi, conica, 

 callo fusco marginata; columella violacea, antice et post 

 medium plicata, plicis crebris paulo elevatis, callo antico 

 4- seu o-plicato, fulvo leviter tincto ; apertura violacea, labio 

 albo intus punctato et abraso. — Closely allied to, but differ- 

 ing from 0. violacea, 0. scripta, 0. Jamaiccnsis, and other 

 species. 



27. reclusa (f. 264), Marrat. — 0. ispidce vel 0. olivacece 

 similis. — Mr. Marrat considers this shell to be allied, not, as 

 the Editor believes, to 0. olivacea, but to 0. ispida. 



28. olivacea (f. 46, 47,48, 51, 52, 53), Meusch.— Oblongo- 

 subfusiformis, lactea, lineis purpureo-fuscis angulatis longitu- 

 dinalibus in fasciis duabus fortioribus ad suturam fascicu- 

 latis notata ; spira plus minusve acuminata, balteo subeari- 

 nato ; columella ferd omnino plicata, callo antico angusto 



