14 OLIVA. 



maculato. — Small shells belonging to tins species resemble 

 0. sanguinolenta in form, colour, and marking, but have not 

 the red colour characteristic of that species. 



63. Maukitiana (f. 133-140). — Latesubcyliudracea, postice 

 expansa, nigra vel olivacea vel aurantia, plerumque fumosa, 

 maculis vel lineis angulatis vel fasciis frequenter picta, balteo 

 concolore ; spira depressa, callosa ; columella albida obsolete 

 plicata, plicis 4 frequenter fusco tinctis; apertura lata, intus 

 alba, labio postice expanso subangulato, ante angulum de- 

 presso extus abraso. — Although so great a difference exists 

 between the type-forms of the present species and those of 

 0. elegans, several varieties belonging to each are very 

 closely allied. 



64. peopinqua (f. 141, 142), Marrat. — Quam 0. Mauritiana 

 magis angustata, 0. irisanti approximata, dense fuscata, an- 

 gulariter notata. — Narrower than 0. Mauritiana, aud very 

 closely resembling O. irisans, var. f. 124. 



65. Labeadoeensis (f. 146-148), Bolt.; funebralis, Lamlc. — 

 Dactyloidea, fumosa, lineis obscure purpureis angulatim un- 

 dulatis et macularum fuscarum fasciis duabus picta ; spira. de- 

 pressa, callosa; columella plicis latis rugata, plicis calli 

 antici 4 validis ; apertura angusta, pallide subcasrulea, labio 

 incrassato rotundo. 



66. leucostoma (f. 143-4-5), Duclos. — 0. Labradorevsi 

 simillima ; spira magis depressa et callosa. — I am inclined to 

 think that this species is a callous-spired form of 0. Labra- 

 dorensis. 



67. avellana (f. 149, 150), Lamk. — 0. Labradorensi similis, 

 sed salmonea, maculis vivide rubris notata. — Resembling 0. 

 Labradorensis, but saluion-coloured, with bright red spots. 

 —Ed. 



68. inoenata (f. 155), Marrat. — Angusta, cylindrica, pal- 

 lide cinerea, maculis castaneis raris notata; balteo late unil'as- 

 ciato ; columella medio tumida, antice posticeque plicata ; 

 spira, acuminata ; apertura angusta, intus pallide subcteruleo, 

 labio extus dense punctato. — A narrow, ash-coloured shell, 

 not apparently referable to any other species. 



69. cana (f. 152), Marrat. — Oblongo-cylindracea, lateri- 

 bus rectis, pallide fulva, lineis longitudiualibus undulatis 

 obscuris notata, et in fasciis duabus castaneo maculata ; 



