26 



always deep yellow j and the canal often tinged with 

 pink. The animal of the Fusus antiquus, as well as 

 that of Buccinum undatum, is much used for bait by 

 the fishermen. 



2. corneus. 



Fusus corneus, Lam. — Murex corneus, Lin. 

 Animal white, tentacula lanceolate, eyes towards 

 their bases externally. 



Common in deep water, on all the coasts. 

 Subgenus, Pleurotoma. 



3. turricola. 



Fusus turricola, Flem. — Murex turricola, 

 Mont. — Murex angulatus, Don, 

 Very rare. On the north coast. 



4. rufus. 



Fusus rufus, Flem. — Murex rufus, Mont. 

 Very rare. On the east coast in deep water. 



5. linearis. 



Fusus linearis, Flem. — Murex linearis, Mont. 

 — Murex elegans, Z>ow.— Plurotoma tri- 

 color, Risso f 

 Rare, On the north coast. 



6. purpureus. 



Fusus purpureus, Flem. — Murex purpureus, 



Mont. — Plurotoma purpurea, Basterot. — 



Mangelia purpurea, Risso. — Pleurotoma 



philberti, Michaud ? — Pleurotoma varie- 



gatum, Phill. ? 



Animal white ; end of syphon purplish ; eyes black, 



subpedicled on the external bases of the slender though 



rather short tentacula. 



