18 0LIVA. 



castaneis picta; plicis calli antici haud tantum obliquis 

 magis profunde definitis. — The difference between this and 

 some varieties of O. vrisans would appear to consist in the 

 smoky colour and rather stouter form. The folds are less 

 oblique ; the hinder one broad and flat. — Ed. 



86. rufula (f. 197, 198), Duclos. — Anguste oblongo-cylin- 

 dracea, fulvo-rufescens, maculis castaneis acute trigonis, 

 oblique angulariter dispositis notata ; spira, conico-depressa, 

 balteo postice pallido ; columella fere omnino tenuissime 

 plicato, plicis calli antici 4 validis luteis ; apertura casrulea ; 

 labio fusco marginato. — A pretty little shell, marked in a 

 very distinct manner. 



87. bdlbiformis (f. 201-204), Duclos. — Inflato-subovata, 

 cinerea aut fulva, minute lineis angulatis vel punctis in 

 cingulis duabus iuterruptis fortioribus notata ; spira, brevis- 

 sima, callosa, apiculata; columella leviter plicata, callo antico 

 angusto, plicis arcuatis tinctis ; labio incrassato, extus intus- 

 que abi'aso, albo fusco vel aurautio. — The ash-colour pre- 

 vails in the different varieties. 



88. clara (f. 199,200), Marrat. — Subfusiformis, moderate 

 ventricosa, supra declivis, cupreo-fulvescens, lineis angulatis 

 et fasciis duabus castaneis notata ; spira, mucronata, brevi, 

 convexa, ; apice fusco-purpurascente ; columella fere omnino 

 plicata, callo antico angusto, plicis validis; apertura intus 

 pallide purpurea; labio crassiusculo, intus fusco lineato. — 

 This species has sloped shoulders and a purplish tint in the 

 mouth. 0. calosoma is mentioned by Mr. Marrat as one 

 of the nearest, but not a very near, resemblance. 



89. similis (f. 205-207), Marrat. — Oblongo-cylindracea, 

 postice rotunda, flavido-fulva, lineis punctatis longitudina- 

 liter notata, maculis castaneis irregulariter bifasciata ; spira. 

 parva ; apice subpurpureo, balteo postice maculato, antice 

 undulatim lineato ; apertura latiuscula, intus purpurea ; colu- 

 mella dense plicata ; labio crassiusculo, extus punctato. — 

 The shoulders are much rounded and the markings fine. — 

 Ed, This is a very distinct form, and why I gave it the 

 name it puzzles me to know. (Mar.) 



90. pintamella (f. 212, 213), Duclos. — Subfusiformis, ven- 

 tricosa, postice subrotunda, pallida, lineis longitudinalibus 

 fuscis angulatim undatis aurantio-marginatis notata ; spira, 



