218 MANUAL OP THE MOLLUSCA. 



FiTSTJS, Lam. Spindle-sliell. 



Synonyms, Colus, Humpli. Leiostoma (bulbiformis). Sw. 

 Strepsidura, Sw. 



Type, F. colus. PL Y., Fig. 8. 



Shell fusiform ; spire many-whorled ; canal straight, long ; 

 operculum ovate, cuired, nucleus apical. PI. Y., Fig. 9*. 



Distribution, 184 species. World-wide. The typical species 

 are sub-tropical. Australia, New Zealand, China, Senegal, 

 United States, "Western America, Pacific. 



Fossil, 320 species. Bath oolite? Gault — Eocene — . Britain, &c. 



Sub-genera, Trojphon, Montfort. F. magellanicus, PI. lY., 

 Fig. 16. 38 species. Antarctic and Northern seas. British 

 coast. 5 — 70 fathoms. Fossil, Chili, Britain. 



Clavella, Sw. (Cyrtulus, Hinds), body- whorl yentricose, sud- 

 denly contracted in front ; canal long and straight. Eesembling 

 a turbinella, without plaits. 2 species. Marquesas, Panama. 

 Fossil, Eocene. F. longsevus (Solander), Barton, &c. 



Chrysodomus, Sw. F. antiquus (yar.). PL Y., Fig. -9. Canal 

 short; apex papillary; lingual dentition like buccinum, 12 

 species. Spitzbergen, Dayis's Straits, Britain, Mediterranean, 

 Kamtschatka, Oregon. Low-water to 100 fathoms. Fossil, 

 Pliocene. Britain, Sicily. 



Pusionella, Gray. F. pusio, L. species (== F. nifat, Lam.), 

 columella keeled. Operculum, nucleus internal. 7 species ; 

 Africa, India. Fossil, Tertiary. France. 



Fusus colosseus and proboscidalis. Lam., are two of the 

 largest liying gasteropods. Fusus (^chrysodomus) antiquus, called 

 the red- whelk on the coasts of the Channel, and " buckie" in 

 Scotland, is extensiyely dredged for the markets, being more 

 esteemed than the buccinum. It is the "roaring buckie," in 

 which the sound of the sea may always be heard. In the 

 Zetland cottages it is suspended horizontally, and used for a 

 lamp ; the cayity containing the oil, and the canal the wick. 

 (Fleming.) The reyersed yariety (F. contrarius, Sby.) is found 

 in the Mediterranean, and on the coast of Spain ; it abounds in 

 the pliocene tertiary (crag) of Essex. The fusus deformis, a 

 similar species, found off Spitzbergen, is always reyersed. 



Family III. — ^Buccinid^. 



Shell notched in front ; or with the canal abruptly reflected, 

 producing a kind of yarix on the front of the shell. 



Animal similar to murex; lingual ribbon long and linear 



