131 



cincta, plicis flexuosis 10-12 ornata ; anfr. 6 postice instrictis, 

 ultimo ad rostrum elongatum subito contracto : apertura angusta ; 

 columella valde arcuata ; labro acuto, simplici. Axis 3 ; diam. 2 

 millim. Inhabits Kagosirna. W. S. 



Columbella (Anachis) fulminea. T. parvula, ovato-lan- 

 ceolata, nitida, castanea lineis angulatis flavidis varie dispositis, 

 et plicis flexuosis demum disparentibus ornata ; anfr. 6 convexis 

 ultimo antice striis cincto : apertura angusta, dimidiam longitudi- 

 nis testae vix adsequans, postice rotundata ; labro simplici postice 

 leviter incrassato, intus lrevi ; fauce purpurascente. Axis 7 ; diam. 

 3 millim. Inhabits St. Simon's Bay. W. S. 



The folds are unusually distinct and prominent. 



Columbella (Anachis) atrata. T. minuta, crassa, ovato- 

 lanceolata, anthracina, antice striis cincta; plicis acutis ad 12 an- 

 tice obsolescentibus ; anfr. 6 tumidis, modice tabulatis : apertura 

 angusta postice acuta; labro simplici postice sinuoso, intus vix 

 denticulato ; fauce atrata. Axis 5 ; diam. 2 millim. Inhabits 

 Hong Kong Harbor. "W. S. 



Columbella (Anachis) minuscula. T. minuta, crassa, 

 elongata, acuminata, fusca ; anfr. 7 convexiusculis vix discretis, 

 plicis tenuibus rectis interdum antice obsoletis clathrata : apertura 

 perangusta, dimidiam longitud. testa; adasquans, postice acuta ; 

 labro arcuato, acuto, simplici, intus granulato ; columella arcuata, 

 callo modico induta. Axis 4 ; diam. 1.5 millim. Inhabits Ousi- 

 ma. W. S. 



Though so small, its characters are well marked. A variety is 

 thinner, horn-colored, with two dark revolving threads. 



Columbella alternata. T. minuta, elongato-ovata, nitida, 

 straminea maculis elongatis runs interrupts vittata, ad anfractum 

 ultimum duplicatis ; anfr. 5, plicis ad 12 eminentibus obtusis et 

 striis anticalibus volventibus ornatis : apertura curta, angusta ; 

 labro incrassato intus crenato. Axis 3 ; diam. 1.5 millim. In- 

 habits Hong Kong. W. S. 



Sufficiently designated by its stripes of elongated spots arranged 

 on alternate folds. 



Columbella virginea. T. minuta, rhomboideo-fusiformis, 



