125 



In the young stage, there is a long, delicate spine on the outer 

 lip, as in Leucozonia, which becomes obsolete with age. 



Sistrum parvulum. T. parva, ovato-rhomboidea, fusco- 

 cinerea, longitudinaliter ad 9-plicata et costis 5 nodulosis cincta ; 

 anfr. 5 angulatis, supernis erosis, costa unica nodulosa cinctis. 

 Apertura angusta, lunata, dimidiam longitudinis testae adrequans ; 

 fauce fuscescente ; labro fusco maculato intus albo-dentato ; 

 columella polita. Long. 12; diam. 7 millim. Habitat Simon's 

 Bay. W. S. 



The color and nodulations are much as in S. tuberculatum, 

 but the form is more rhombic, and the size much less. 



Nassaria curta. T. parva, elongata, ovato-rhomboidea, 

 solidula, straminea ante suturam pallidior et fulvo maculata ; 

 anfr. 6-f- ventricosis filis ad 8 volventibus et plicis ad 15 longitud. 

 ornatis. Apertura angusta ovalis ; labi'o incrassato intus dentic- 

 ulato ; lamina columellari erecta ; rostro modico, recto. Axis 

 10 ; diam. 6 millim. Inhabits Port Jackson. W. S. 



It is smaller than any species in the Cuming Collection, and 

 has a short beak. It is like N. carduus, Rv., but has more 

 delicate waves. 



Morex (Ocinebra) improbus. T. parva, rudis, rhomboideo- 

 fusiformis, lineis incrementi muriculata, cinereo-fulvida, strigis et 

 fasciis obscuris rufescentibus et cingulo albido ornata ; anfr. 6-|- 

 medio angulatis postice excavatis vel declivibus, antice plicas 7 

 ad 8 tuberculosas gerentibus, filis inaequalibus numerosis ubique 

 cinctis quorum duobus anterioribus majoribus. Apertura dimid- 

 iam longitud. testae adaequans, angusta, ovato-rhomboidea ; labro 

 denticulato intus incrassato et sulcato ; fauce citrina vel livida ; 

 columella polita ; rostro subperforato. Axis 25 ; diam. 12 millim. 

 Inhabits China Seas, in sand, 25 fathoms. W. S. 



Much like 0. buxeus, but shorter. 



Trophon incomptus. T. ovato-trigona, solida, rudis, cine- 

 rascens ; spira turrita, anfr. 6 angulatis postice tabulatis, ultimo 

 ventricoso, trigono, liris inasqualibus (tribus majoribus) cinctis, 

 longitudinaliter undulis inordinatis et laminis incrementi instruc- 

 tis. Apertura ovata postice rotundata ; labro simplici papillis 



