196 POPULAR BRITISH CONCHOLOGY. 



islanders; and in that position, bears some resemblance 

 to the simple lamps of antiquity. 

 F, Norvegictts has a smooth, delicately pink or flesh- tinted 

 shell, with a very large mammillated apex; in most other 

 respects resembling F. antiqiius. 

 F. Turtoni has a large shell, with a long tapering spire, ter- 

 minated by an apical coil of three whorls ; the aperture, 

 from the undulation of the outer lip, resembles that of 

 Biiccimim iindatum. 

 YIII. Trophon is a division of Muricidce, greatly re- 

 sembling the Fusi, both in the soft parts and in the shell. 

 T]ie latter, in the distinct varices encircling their whorls, 

 approach the Ilurices. Of the British species — 

 1\ clathratus has rather rounded whorls, with thin, white, 

 smooth, leaf-like varices, between which it is brownish. 

 T. muricatus has angular whorls, with scalloped and acu- 

 leated varices ; it is usually of a pinkish or reddish- 

 brown colour. 

 T. Barvicensis has angular whorls, unarmed varices, crossed 

 by spiral riblets. 



