NON- PULMONARY GASTEROPOOS. 
413 
the top. In moat collections of these pretty shells we find the 
Griped Snn-dial ( Solarium perspectieum of Linnmus), from the Indian 
Ocean (Figs. 221, 222), the diameter of which is about two inches 
i ' i S. 321, 
Solarium perspecticum (Li mucus). 
Fig. 222 . Solarium perspecticum (Li mucus). 
a half. The Australian Sun-dial (8. variegatum, Linnaeus, Fig. 
. **) is another species frequently seen in collections : 
^ is as much variegated above as below, of a white 
a,|f l rusty brown. The minute trellised Sun-dial, 
is only ten lines in diameter, comes from the 
c °ast of Tranquehar. 
The genus Turbo are very generally diffused, being found on every 
° r e, where they cling to rocks beaten by the waves. About fifty 
Fig. 223. Solarium 
variegatum (Li nrueus). 
^'g. 224. Turbo margaritaceus 
(Linrucus). 
Fig. 225. Turbo argyrostomus (Linnaeus). 
u rho 
are known, some of them large 
margaritacem (Fig. 224) is large, 
shells, others very small, 
thick, and weighty, round- 
