378 
THE OCEAN WORLD. 
(Fig. 169). In Fig. 170 Tellina donacina is represented with 
two vital tubes, or syphons. 
Fig. 169, Tellina sulphurea (Lamarck). 
Fig. l to. Tellina donacina (Ltonasus). 
The respective genera of Venus and Gytherea owe their mythologi 0 ^ 
names to the beauty of their shells, which are distinguished for tb 0 
elegance of form and variety of colouring with which the shell jS 
ornamented. These acephahe of size so small, like their congener 3 ’ 
inhabit every sea ; they are found in every region of the globe, m<n e 
than a hundred and fifty species being known. The shell is ellip tlC 
in form, the valves smooth, striated, spiny, and lamellous, like tho 00 
of Cardium and Donax. Like these, they bury themselves in tb 0 
sand. 
Among the vast number of species, many of them are extremely 
rare, and much sought after by collectors in consequence of their g rea | 
beauty. In the prinoip a 
ports of France, Ve^ s 
verrucosa ( Fig. I71); anl 
another species known 111 
the south of France un<hr 
the name of Clovisse* al ' e 
eaten there like oyst erS ' 
Prepared with fine herb 3 ’ 
the clovisse, we have 
Figuier’s authority 01 
saying, is not to he 
“ We may 
spised. , , ~ , 
Fig. 171. Venus verrucosa (Linnajus). . .. . . „ , „ aArLSi 
believed also, he am ■ 
“if we add that nothing is more delicious than to eat the hvmo 
clovisse torn from the rock of the Phara of Lake Thau, when 
Mediterranean sun of a day in winter is shining down upon ns, 1 
heart rejoicing in its twentieth year.” In Pl. XVIII. some of ^ 
principal species are represented, along with some of the more reina 
