SOWERBT : NEW SPECIES OF MAEINE MOLLIJSCA. 199 



obliquis tenebrosis ornata ; spira elongata, acuta, gradata ; anfractus 

 10, apicales Iseves, deinde angulatim carinati, spiraliter tenuiter lirati, 

 supra angulum leviter concavi, sutura angustissime canaliculata 

 sejuncti; anfractus ultimus spira brevior, convexiusculus, infra 

 angulatus, concavo-constrictus, brevissirae rostratus; apertura ovata; 

 canalis brevis, latus ; labrum acutum, serratum ; columella Isevis, 

 levissime contorta. Long. 38, diam. maj. 13 mm. 



Hah. — I. Monac, New Caledonia. 



This species is nearly related to P. cingulifera, Lamlc., from wbich 

 it is at first sight distinguished by the absence of spots on the angle, 

 so characteristic of that species ; the posterior angle is also more 

 prominent, and the basal angle and anterior constriction more 

 pronounced. 



TrOCHUS (iNFUNDIBtrLUM) OPTATUS, U.Sp. 



Testa late conica, albida, viridi tincta, fusco pauci-flammulata, 

 maculis parvis, nigro-f uscis parum aspersa ; anfractus 8, planato- 

 declives, primi Isevigati, sequentes triseriatim nodulosi, peroblique 

 densissime filo - striati, plicis irregulariter undulatis sinistrorsum 

 obliquis rugati, ad marginem inferiorem carina crassa tuberculata 



instructi ; basis planata, pallide virescenti - lutea, liris spiralibus 

 circiter 7 eximie geramulatis munita; umbilicus profundus, latiusculus, 

 albus, liris spiralibus 4 Igevibus crassiusculis instructus ; apertura 

 oblique subquadrata, intus margaritacea, crassi - lirata ; columella 

 rectiuscula, supra crassi-callosa, infra tenuis. Alt. 25, diam. maj. 

 30 mm. 



Hah. — Manila. 



This species bears some resemblance to Trochiis [Lamprostoma) obesus, 



