UNIVALVE MOLLUSC A. 



461 



all over the surface. About 100 species of Triton are known. They 

 inhabit many seas, but more especially those of warm countries. 

 Triton variegatiwi, commonly called the Marine Trumpet (Fig. 297), 



Fig. 300. — Fusus proboscidiferus 

 (Lamarck). 



Fig. 301. — Fusus pagodus 

 (Lesson). 



Fig. 302. — Fusus colus. 



is a very large shell, which even attains a length of si.xteen inches ; 

 it is enamelled with great elegance in white, red, and tawny brown. 

 It comes from the Indian Ocean, where the shells are very common. 

 Triton lotorium (Fig. 298) is of a reddish brown externally and white 

 within. The Triton anus (Fig. 299) is of a whitish colour, spotted 

 with red. 



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