130 GASTEROPODA. PURPURAD. 
Trans. Linn. Soe. viii. 144; Flem. Edinb. Encyel. vii. 71 ; 
Dill. Desc. Cat. 744; Turt. Conch. Dict. 93. 
Murex angulatus, Donov. Brit. Shells, v. t. 156. 
Habitat in mari Britannico, haud valdé infrequens. 
Color albus. 
Whorls transversely ribbed, with longitudinally elevated lines, 
angulated on the left side and abruptly flattish. Height three- 
quarters of an inch. Colour white, surface slightly glossy. 
Inhabits the sandy shores of Sandwich in Kent ; m Biddeford 
Bay, Devon; the coasts of Tenby and Langherne; the southern 
coasts of Ireland, and the Frith of Forth. 
Genus 62. Fusvus. 
Fusus, Bruguiere, Lamarck, De Montfort, Cuvier. 
Murex, Linnei, &c. 
Testa super aperturam spira altius elevata; ad apicem mamil- 
lata. Sutura subprofunda. Siphon elongatus aut longissimus, 
rectus ad apicem. Peritremate nullo instructus. Umbilicus 
nullus. Animal incognitum. 
Shell above its aperture with its spire highly elevated, ma- 
millated at its apex. Siphon elongated or very long, straight, 
without any peritreme at its apex. Umbilicus none. Animal 
unknown. 
1. Fusus MURICATUS. 
F. test& anfractibus longitudinaliter sulcatis et transversim cos- 
tatis ; costis nodosis. 
Murex muricatus, Mont. Test. Brit. 262. t.ix.f.2; M.§ R. 
Trans. Linn. Soc. vill. 146; Dill. Dese. Cat. 745; Flem. 
Edinb. Encycel. vii. 73; Turt. Conch. Dict. 95. 
Habitat in mari Cornubiensi, Danmoniensi, Caledoniensi, Cam- 
briensi et Hiberniensi sat frequens. 
Color albidus aut rubescens, viridescente tinctus. 
Shell with its whorls longitudinally suleated and transversely 
ribbed; the ribs knotted. Colour white or reddish, with a 
greenish tinge. Height half an inch. 
