370 Mr. E. A. Smith on 



Metula clathrata, Ad. & Rve. 



Buccinum clathratum, Adams & Reeve, Voy. ' .Samaranp:,' p. 32, pi. xi. 



fig. 12. 

 Metula clathrata, H. & A. Adams, Gen. Moll. vol. iii. pi. ix. fig. 4 ; 



Tryon, Man. Conch, vol. iii. p. lo2, pi. Ixxii. fig. 2-38. 



Hah. Cape of Good Hope, in 13(5 fathoms [Ad. & Rve.) ; 

 off Ceylon, lat. N. 6° 50' 20", long. E. 79° 36' 20", in 180- 

 217 fathoms {^Investigator'']. 



The single specimen obtained by the 'Investigator' is of 

 enormous size in comparison with tho^e hitherto described 

 and figured. It is 41 millim. in length, 15 in width, and the 

 aperture is 19 long. Although in dead condition, the brown 

 banding is still traceable. The labrum is thickened both 

 within and without, and bears about twenty short lira? on the 

 inner margin. 



Natica [Lunatia) abyssicola. 



Testa ovato-globosa, imperforata, alba, periostraco tenuissimo plus 

 minus induta, inercmenti lineis obliquis Itevibus striata ; spira 

 brevis, ad apicem erosa ; anfractus 3-4, convexiusculi, ultimus 

 globosus ; apertura semicircularis, obliqua ; labrum tenue ; colu- 

 mella incrassata, superne callo crasso labro juncta ; operculum 

 tenue, corneum. 



Longit. 9 millim., diam. 8| ; apertura 7 longa, 3 lata. 



Hah. Arabian Sea, off Cutch, lat. N. 22° 14' 2b", long. E. 

 67° 08' 55", in 947 fathoms. 



Somewhat resembling N. pusilla of Say. 



Natica {Lunatia) levis. 



Testa globosa, umbilicata, alba, lineis incrementi teuuibus striata, 

 laevigata ; anfractus 5, convex!, subgradati ; apertura semicircu- 

 laris, longit. totius f adjcquans ; peristoma tenue, margine colu- 

 mellari inferne leviter incrassato, superne expanse et reflexo 

 margini exteriori callo tenui juncto ; umbilicus simplex, pervius, 

 mediocriter latus ; operculum teiuie, corneum. 



Longit. 16 millim., diam. 14 ; apertura 10 longa, 6 lata. 



Hah. Bay of Bengal, off Coromandel coast, long. E. 

 81° 30' 30", lat. N. 15° 56' 20", in 240-276 fathoms. 



Somewhat resembling N. Fortunei, Rve., in form, but with 

 the umbilicus wider and without any trace of an internal 

 thickening. 



Rostellaria curia, Sowerby. 

 Hah. Off the Sindh coast, in 20-30 fathoms. 



