FAMILY 8. CANALIFERA. 179 
Pl. CCXXVII. Fig. 3. 
Crrituium sutcatum, Bruguiére, Dict., No. 20. Encyclopédie Métho- 
dique, pl. 442. f. 2. 
Murex Moluccanus, Gmelin. 
Pl. CCXXVIL. Fig. 6. 
CERITHIUM MUTATUM, Sowerby, Genera of Shells, No. 42. 
Pl. CCXXVII. Fig. 7. 
CerirHiuM coLuMNA, Sowerby, Genera of Shells, No. 42. 
Pl. CCXXVII. Fig. 10. 
CeritHium Muricatum, Bruguiére, Dict., No. 27. Chemnitz, Conch., 
vol. ix. pl. 136. f. 1267 and 1268. 
Potams muricatus, Brongniart. 
TURBINELLUS, Lamarck. 
Testa aut fusiformis, aut bucciniformis, solida, szpissimé nodosa, epi- 
dermide crassa plerumque induta; spira varia, apice subobtuso ; 
apertura longitudinali, angusta ; columella plicis tribus ad quinque 
compressis, transversis, ornata, in canalem rectum, nunc elonga- 
tum, nunc brevissimum desinente. Operculum parvum, corneum, 
aeuminatum. 
The Turbinelli, which were associated by Lamarck for the formation of 
this excellent genus, must have somewhat puzzled the great author of the 
‘Systema Nature ;’ for their shells exhibit the very characters in con- 
Junction which he selected for the determination of his genera Murex and 
Voluta: like his Murices, their shell is canaliculated at the base, and like 
his Volute, it is plaited on the columella. His distribution of the Tur- 
binelli was directed in this dilemma by their form: the long or fusiform 
2a2 
