MOLLUSCA. 21 



Inhab. Straits of Macassar. 



Angular, elongatedly pyramidal, with transverse fine closely-set striae ; the 

 mouth small and contracted, with a short blunt canal. 



70. Clavatula merita, Hinds, 1. c. p. 42, (Plate VI. fig. 20.) Testa ovata, turrita, acuminata, 

 laevigata, pallida ; anfractibus senis, plico-costulatis, superne angulatis et linea fusca. spiraliter 

 cinctis ; sutura simpliei ; anfractus ultimi dorso fusco nebuloso, transversim striato ; labro acuto, 

 intiis lsevi ; apertura oblonga, ; canali subnullo. 



Inhab. Gulf of Nicoya, Central America. Under stones at low- water. 

 Semi-opaque, smooth, with longitudinal ribs, decorated at the angle of the 

 wborl by a reddish line, a little more pronounced near the ribs. 



71. Clavatula jtowmea, Hinds, 1. c. p. 42, (Plate VI. fig. 21.) Testa clavata, albida ; anfrac- 

 tibus octonis, rotundatis, transversim striatis, flammulis fuscis, superne angulatis, inferne subrectis, 

 ornatis; spira, ecostulata. ; sutura simpliei : sinu laterali modo emarginatura; labro obtuso, leevissime 

 crenulato, intiis laevi ; apertura ad basin dilatata. ; canali brevi, lato, recurvo. 



Inhab. New Ireland. Among coarse sand at low water. 



72. Clavatula -polita, Hinds, 1. c. p. 43, (Plate VI. fig. 22.) Testa valde fusiformi, polita, 

 albida, septangulate costulata ; costulis confluentibus ; sutura simpliei ; apertura ovali, oblonga ; 

 labro acuto, intiis leevi ; canali longo, subrecurvo. 



Inhab. Straits of Macassar. Found among coarse sand in seven fathoms. 

 Milk-white, especially fusiform, ribs rounded and continuous throughout, the 

 last whorl gradually attenuated into the canal. 



73. Clavatula impressa, Hinds, 1. c. p. 44, (Plate VI. fig. 23, 24.) Testa, fusiformi, acumi- 

 nata., rosea; anfractibus nonis, tuberculato-costatis, transversim striatis; costulis acutis, obliquis, 

 albidis ; anfractus ultimi dorso picto, ecostulato ; apertura ovali ; labro tenui, acuto, intus laevi ; 

 canali mediocri. 



Inhab. Gulf of Papagayo, Central America. From eight to fourteen 

 fathoms, mud. 



Flesh-coloured, ribs tubercular, oblique, the interspaces very finely striated, 

 outer lip somewhat expanded, thin ; aperture oval, gradually terminating in a 

 slightly recurved canal. 



74. Clavatula Maravigntz. 

 Pleurotoma Maravigna, Bivona. 



Clavatula crebricostata, Hinds, Proceed. Zool. Soc. 1843, p. 41. 

 Pleurotoma incisa, Reeve, Conch. Icon., 1843. 



Inhab. Cape Blanco, west coast of Africa. In seventeen fathoms. 



75. Clavatula amabilis, Hinds, 1. c. p. 40, (Plate VII. fig. 3.) Testa ovata, turrita, pallide 

 aurantiaca; anfractibus septenis, subrotundatis, costulatis, transversim striatis; costulis rotundatis, 



G 



