122 



remotis insculptis, ultimo amplo ; sutura profunda : apertura 

 magna, labio angusto, haud incrassato, plicis columellas tenuibus, 

 acutis, plica parietali parva, tenui ; callo siphonali modico. Axis 5 

 millim. ; diam. 3-j- millim. Inhabits Hakodadi Bay, 6 fathoms, 

 sandy mud. W. S. 



Peculiar from its thin lip and general want of callus. 



Ringicula arctata. T. solida, ovata, acuminata, alba ; 

 spirse anfr. 4-f- convexis, ultimo striis volventibus (10-12) in- 

 sculpto ; sutura profunda : apertura auriculata, labro incrassato, 

 intus tumido ; plicis ad columellam conspicuis ; dente parietali 

 robusto, usque ad angulum posticum aperturse protracto ; callo 

 labiali lato, sinum siphonalem transeunte. Axis 4 ; diam. 3 

 millim. Inhabits Hong Kong Harbor. W. S. 



Allied to H. caron and propinqua, but the sculptured lines are 

 much more crowded. 



Buccinum Stimpsoni. T. magna, solidula, elongata, fusi- 

 formi-turrita, cinerea vel dilute ferruginea, epidermide calcarea 

 caduca incrustata, lineis tenuibus cincta; anfr. 6 ad 84- pyram- 

 idatis, pentagonalibus, ultimo antice excavato, costa. cincto ubi 

 undaa terminantur. Apertura dimidiam longitudinis testae ad- 

 requans, anguste lunata ; labro simplici ; columella arcuata, cal- 

 losa ; fauce dilute castanea vel livida. Long. 100 ; diam. 45 

 mill. Habitat Arikamcheche Island, Behring's Straits. W. S. 

 Dredged in Arctic Ocean. Capt. Rodgers. 



A quite remarkable species, allied to B. undatum, but at once 

 distinguished by its elongated form, and its pyramidal, pentago- 

 nal whorls with concave sides. 



Buccinum Rodgersi. T. ovato-lanceolata, solidula, luteo- 

 cinerea crusta cretacea sub epidermide tenuissima induta, striis 

 exilissimis cincta ; anfr. 8 tumidulis spiram elongatam nunc un- 

 dulatam nunc a3quam etformantibus, ultimo trientes duas long, 

 metiente et in rostram satis productam sensim contracto. Aper- 

 tura ovata dimidiam long, testae haud asquans, labro evaso, postice 

 sinuato ; columella callo bene induta ; fauce flavida vel livida. 

 Long. 55 ; diam. 25 millim. Inhabits Arikamcheche Island, 

 Behring's Straits. W. S. Common in 20-30 fathoms, muddy 

 gravel, Arctic Ocean, north of Behring's Straits. Capt. Rodgers. 



