370 Mr. E. A. Smith on 



Metula clathrata, Ad. & Rve. 



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



fig. 12. 

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



Tryon, Mau. Conch, vol, iii. p. 152, pi. Ixxii. fig. 238. 



Hob. Cape of Good Hope, in 136 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 those 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 lirse on the 

 inner margin. 



Natica {Lunatia) abyssicola. 



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

 minus induta, incrementi lineis obliquis laevibus striata ; spira 

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

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

 mella incrassata, super ne callo crasso labro juncta ; operculum 

 tenue, corueum. 



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



Hah. Arabian Sea, off Cutch, lat. N. 22° 14' 25", long. E. 

 67° 08' 55", in 947 fathoms. 



Somewhat resembling N. pusilla of Say. 



Natica {Lunatia) lev is. 



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

 laevigata ; anfractus 5, convexi, subgradati ; apertura semicircu- 

 laris, longit. totius |- adiequans ; peristoma tenue, margine colu- 

 mellari inferne leviter incrassato, superne expanso et reflexo 

 margin! exterior! callo tenui juncto ; umbilicus simplex, pervius, 

 mediocriter latus ; operculum tenue, corneum. 



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



JIab. Bay of Bengal, oiF Coromandel coast, long. E. 

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



Somewhat resembling A^. Fortunei, Rve., in form, but with 

 the umbilicus wider and without any trace of an internal 

 thickening. 



BosteUaria curta, Sowerby. 

 Hab. OfF the Sindh coast, in 20-30 fathoms. 



