61 
lengthened ; no fissure in the right lip. Columella smooth. 
Cperculum horny. 
• CORNEUS. Murex C. Turt. Lin. Pen. Brit. Zo., 
'A. 4, pi. 76, fig. 99. Mont. Test. Bril., vol. 1, p.258. 
• • C. Flem. Brit. An., p. 348. I have only met with one 
specimen, which was taken in a trawl at Falmouth. 
* f DESPECTUS. Flem. Brit. An., p. 349. Not common. 
F - PURPUREUS. Mures P. Mont. l est. Brit., vol. 1, 
P- 260, pi. 9, fig. 3, F. P. Flem. Brit.. An,, p. 350. 
^ Scarce. In shell sand on the south east coast. 
■ LINEARIS. Murex L. Mont. Test. Brit., vol. 1, 
P- 261, pi. 9, fig. 4. F. L. Flem Brit. An., p. 350. 
Scarce, in shell sand. 
F - MURICATUS. Murex M. Mont. Test. Brit., vol. 1, 
P. 262, pi. 9, fig. 2. F. M. Flem. Brit. An., p. 351. 
Scarce, in shell sand on the south east coast, and near the 
>, Laml’s-end. 
*• CO STATUS. Murex C. Mont. Test. Brit., vol. 1, 
P- 265. F. C. Flem. Brit. An., p. 349. Rare, in shell 
p s and. 
ATTENUATUS. Murex A. Mont. Test. Brit., vol. 1, 
P- 266, pi. 9, fig. 6, F. A. Flern. Brit. An., p. 350. 
j, Pare, in shell sand. 
• NEBULA. Murex Acuminatus. Pen. Brit. Zo., vol. 4, 
PL 79. M. N. Mont. Test. Brit., vol. L, p. 367. F. N. 
v .fL in. Brit. An., p. 360. Found at Falmouth by Montagu. 
SEPTANGULARIS. Murex S. Mont. Test. Brit., 
v °l. 1, p. 268, pi. 9, fig. 5. F. S. Flem. Brit. An., 
P- 350, In shell sand, from the Land’s-end along 4 the 
S0| tth coast, not uncommon. 
r TRITON. 
CHARACTER: The shell oval or oblong, 
c haunelled at the base ; the prominences either alternate 
° r I'are, or nearly solitary, and never forming a longi- 
l udinal row ; aperture oblong. An operculum. 
ri,f ° m . elimes llle Triton has only one prominence, on the 
11 'ip, which is never wanting. These prominences are 
% r l er s Pinous. 
• ERlNACEUS. Murex E. Turt. Lin. Pen. Brit. Zo., 
4, pi. 76, fig. 95. Stew, Elein., vol. 2, p. 403. T. E. 
. e m. Brit. An., p. 356. Common, though scarcely abun- 
»nt. Young shells difl'er in having the outer lip com- 
paratively thin, and the pillar narrow. 
T ALA TA. 
b ot , ® shell with a more 'or less lengthened canal at the 
f 0r 0ui .°l the aperture, the right lip of which changes its 
1 w ith age, and has a sinus at the lower part. 
