314 MELVILL AND STANDEN : SHELLS FROM LIFU. 



face is closely acutely ribbed, the transverse decussations some 

 what noticeable in the interstices, and these in some specimens 

 give a crenulate appearance to the ribs themselves. The base 

 is spirally costulate, as are the upper whorls ; the mouth round, 

 outer lip simple. No doubt this species is nearly allied to 

 Minolta Holdsworthiana G. Nevill from Ceylon, and M. singa- 

 porensis Pilsbry, of which we have only seen figures ; but it 

 differs from both these species by several salient characters. 

 We are of opinion this group comes nearer Solariella than 

 Minolta ; perhaps it would be well to separate them generically 

 as Conotrochtts Pilsbry. (rpdyrifia a delicacy). 



Cadulus viperidens sp. nov. (PI. XL, fig. 79). 



C. testa mediocri, subinflexa, perlcevi, apud apicem sicut ad 



apertttram bctsalem paullum atlenuata, delicata, pellttcida, 



lactea, apertura rotunda, margine tenui, apertura posteriore 



perparva, margine labialiter acute bijisso, tcnui. 



Long., 6 '50 mill. 



Diam., oris, 1 mill, sp. inaj. 



„ apical is, C50 ,, 

 Several specimens of a somewhat incurved, perfectly 

 smooth, translucent, milky-tinged Cadulus, precisely corres- 

 ponding with unnamed specimens in the British Museum from 

 the shores of North Australia. In form it slightly recalls 

 C. colubridens Wats, from New Zealand ('Challenger' Expedi- 

 tion), but is more uniform in width and less ventricose towards 

 the base. It is likewise smaller than either that species, the 

 common tropical C. gadus Montagu, or C. Jeffreysii Montero- 

 sato. The mouth is simple, round, the posterior or apical 

 orifice, also round in diameter, has its edges labially bisected 

 by a sharply-cut channel. The specific name chosen, "viper- 

 fanged," is self-evident from the form. 



Tornatina Hadfleldi sp. nov. (PI. XL, fig. 80). 



T. testa oblonga, kevissima, recta, tenui, albo-lactea, anfracti- 

 bus quatuor, ad suturas canaliculars, ultimo anfractu 

 oblougo, magno, sub lentc spiraliter striolato, supra medium 



J.C, viii., Oct. 1896. 



