460 THE OCEAN WORLD. 
Fig. 295.—Murex scorpi Fig. 296.—Murex erinaceus 
(Linnzeus). (Linnzeus). 
Fig. 297.—Triton variegatum = Fig. 298.—Triton lotorium _— Fig. parents anus 
(Lamarck). (Linnzeus). * amarck), 
The genus Z7yifon is ranged beside the genus Murex in this . 
system, The shell is irregularly covered with scattered swelling 
excrescences, not, as in Murex, in longitudinal rows, but scattered 
