Genus Latirus. 399 



numerous, and crossed in a somewhat latticed style of 

 network with smaller riblets, the main longitudinal ribs 

 being dimly spotted with fulvous dots, hardly visible without 

 the aid of a lens. There is also a dark line at the sutures. It 

 comes under the ustulata section, but is distinct from any of 

 the group. 



Two specimens, one operculated, collected by M. Robil- 

 lard at the locality just mentioned above, are in the 

 National Collection. 



9. PERISTERNIA LEUCOTHEA, Sp. nov. (Fig 1 5). 



P. testa subpyramidali^ ad apicein inultum attenuatd^ 

 anfractibus septein^ longitudinaliter inulticostatis^ transvershn 

 liris temiibus arete eingulatis omnino albeseentibiis^ aperturd 

 efusd simplieiy albdy labro intus suleato^ eolumella obseurS 

 triplieatd. 



Long. 18-50 m. 



Lat. 8 m. 



Hab. Port Natal, S. Africa. 



A curious and very neat little shell, of chaste device. 

 I have found a specimen very nearly resembling my own, 

 in a tablet in one of the drawers underneath the table cases 

 in the National Collection, where it had been mounted years 

 ago with a specimen of P. crocea^ and the locality given 

 * Natal,' and several specimens have recently been received 

 from the same locality. 



10. PERISTERNIA SeLIN^E, Sp, flOV. (Fig. 7). 



p. testa fusiformi^subpellueida^ elegantissimd^ anfractibus 

 septem^ rotundatisy albis^ ad suturas castaneo-suffusis, longi- 

 tudinaliter costatiSy lirulis transversim eingulatis^ in medio 

 inter costas maeulis eastaneis eineto^ apice nigro^ eolumella 

 quadriplieatd^ basi eastaneo-suffusd^ labro intus suleato. 



Long. 27 mill. 



Lat. 14 „ 



