PULMONARY GASTEROPODS. 



435 



Among the strong-tubed species with long canal and no spines, 

 from the same regions, is Murex liaustellum (Fig. 286). 



Among the short-tuhed species, furnished with foliaceous and jagged 

 fringes, is Murex scorpio (Fig. 287). 



One more typical 

 species may be noted, 

 namely, Murex erina- 

 ceus (Fig. 288), which 

 is found on all the 

 coasts of Europe, and 

 especially in the 

 Channel. Other species 

 worthy of notice are 

 found in the Mediter- 

 ranean and the Adri- 

 atic, some of them, 



according to Cuvier Fig. 2S7. Murex scorpio Fig. 283. Mures erinaceus 



and de Blainville, 



species which furnished the true Tyrian purple of the ancients; 



but our space prevents us from dwelling on them. 



Fig. 289. Triton variegatum (Lam.). Fig. 290. Triton lotorium (Linn.). Fig. 291. Trito-j anus (Lam.). 



The Tritons are ranged beside the genus Murex in the system. 



2 p 2 



