SOUTH AFRICAN MAIUNE MOLLUSCA. 3] 



■'^ Marginella ros Reeve. 



Marginella ros Reeve, 'Conch. Icon./ vol. xv, fig. 147; 

 Martens, ''Tiefsee-Exped./ p. 86 (in section Granula). 

 Hab. — Agullia.s Bank, 85 fathoms. 



■^Marginella shepstoneusis n. sp. PI. YII, fig. 5. 



Testa parva, ohlonga, ovata, alba, lineis longitudinalibus 

 undulatis vel angulatis, flavis, et zonis duabus transversis 

 interruptis ornata ; spira obtusa, hand elata ; anfractns tres, 

 ultimus convexiusculns, latere sinistro dextro convexiore ; 

 apertura angusta, alba; labrnm intus incrassatum^ tenniter 

 liratum; columella callo tenui circumscripto induta, denti- 

 cnlis vel plicis circiter decem instrncta. 



Longit., 6 mm.; diam., o"6 mm. 



Hab. — Port Shepstone. 



The coloration of this species is rather like that of M. 

 pnlchella Kiencr (' Coq. Yiv./ PI. IX, fig. 40), and the form 

 also is very similac That species, however, is said to have a 

 smooth labrum and only four columellar folds. The angula- 

 tions of the zigzag lines form transverse zones, but only two 

 of these, one round the middle and one at the upper part of 

 the body-whorl, are specially conspicuous, being darker in 

 colour. 



Marginella zonata Klener. 



The variety bilineata Kravss is said by Martens ('Tiefsee- 

 Exped.,^ p. 57) to be the Voluta biannulata of Fabricius. 



\'<)luta (V^olutocorbis) abyssicola Adams Rwd Reeve. 



Yoluta (Terni voluta) abyssicola Adams and Reeve: 

 Martens, 'Tiefsee-Exped.,' ]). 31. 



As differing, in liis ojjinion, from A'olutilithes, to AAdiich 

 genus it has often been assigned, Martens placed this species 

 in liis sub-genus Terni voluta (1903), the character of its 



