OLIVA. 19 



parva, depressa ; apice mucronato ; columella dense et acute 

 plicata, callo antico lato, plicis luteo-tinctis quatuor ; apertura 

 intus albido-casrulea ; labio tenui, acuto, intus punctate — A 

 pretty little species, with yellow-shaded, brown, wavy lines. 



91. calosoma (f. 214, 215), Duelos. — Ventricoso-fusiformis, 

 lactea, pallide lineis angulatis et fasciis duabus aut tribus 

 litteratim rnaculatis notata, balteo purpureo pauci-punctato ; 

 columella tenuiter plicata, callo antico angusto, plicis per- 

 obliquis paucis ; apertura lata, intus castanea. 



92. dactyliola (f. 208-11), Duelos. — Ovato-cylindracea, 

 olivacea vel fumoso-fusca, minute lineatim punctata vel un- 

 dulatim lineata, nonnunquam castaneo maculata ; spira, bre- 

 vissima; columella albida, obscure plicata, plicis calli antici 

 4-5 distinctis ; labio recto, extus abraso et punctate 



93. Athenia (f. 216, 217), Duelos. — Quam 0. dactyliola 

 magis cylindracea, lineis undulatis pallidis flammulisque cas- 

 taneis aut nigrescentibus ornata ; columellas plicis paucis 

 validis. — This small, 0. mawa-like shell, is between O. dac- 

 tyliola and 0. todosina, but sufficiently distinct from either. 



94. tigkina (f. 222-224), Meuschen. — Cylindracea, medio 

 subinflata, leviter angulata, pallide fulva, maculis magnis 

 purpureo-castaneis angulariter dispositis notata; spira bre- 

 vissima, callosa ; columella purpurea, plicis tumidis subdis- 

 tantibus rugata, plicis calli antici tribus vel quatuor, quarum 

 postica elevata tumida, fuscata ; apertura intus purpurea ; 

 labio incrassato, subangulato. — Distinguished by the large 

 spots and purple mouth and columella. 



95. lepida (f. 218, 219, and 474).— Subcylindrica, pallida, 

 fasciis lineis maculisque angularibus notata ; spira brevissima, 

 callosa, apice acuminato ; columella dense plicata, plicis calli 

 antici numerosis distinctis ; apertura intus pallidissime vio- 

 lacea ; labio crassiusculo, extus abraso. 



96. todosina (f. 220, 221), Duelos. — Oblongo-subcylin- 

 dracea, cinerea, lineis angulatis litteratis reticulata ; spira 

 acuminata, callosa, ad suturam punctata, balteo fusco lineato ; 

 columella leviter et tenuiter plicata, plicis calli antici quatuor 

 subtransversis ; apertura intus violacea. — Of a darker colour, 

 narrower and less cylindrical in form, and more pointed at 

 the apex than 0. lepida. 



