WORMS. TESTACEA. 66. Oftrea. 279 



Inhabits the Indian Ocean and Cape of good hope : very rare. 

 Shell about 5 inches long, 5 \ broad, blackifh ferruginous or 



purplifh and pearly within ; roundifh, lamsllate, with a very 



acute margin. 



T&a. Shell equivalve thin pellucid and pointed at the hinge, the, 



other end dilated : margin very acute. 

 Martin Bejch. Maturf. 3. tab. 7. fig. 23, 24. 

 Cbemn. conch* 7. tab.- 58. fig. 575. * 



Inhabits the Red Sea; more than an inch broad and above 2 

 long; yellowifh-brown with paler undulate rays. 



Legumen. Shell flat hoary thin pellucid lamellate: hinge with an ob- 

 lique line ; the interfaces of the grooves black. 



Cbemn. conch, 7. tab. S9*flg* 57 8 « , 



Inhabits Nicobar IJlands : 4 lines broad and above 2 inches iong : 

 near the knob is a livid fpot. 



Alatal 



Shell flat brittle pellucid, and dilated towards the margin 

 hinge with an oblique line ending in a fmall beak, 

 Inhabits America. Chemn. conch. 7. tab. 59. Jig* 581. 



Mytiloides % Shell nearly equivalve ovate ventricofe ftraight. 

 Schreb. berl. Naturf. 2. tab. 9. fig. 9. 

 Found in a foffile itate in Alface. 



Torta. Shell equivalve intorted/ 



Schreb. berl. Naturf. 2, p. 276, 

 Found foffile in Alface. 



Fes ktrce* shell equivalve fmooth wedge-fhaped with 6 obtufe plak^ 

 Lifter, tab. 171. Gua/t test. tab. 74. C. ^/^ 

 Argent, conch, tab. zy.fig.A. 



Inhabits— —Shell varied with purplifh and white and marked 

 with very fine longitudinal itria? j the margin flightly fcalloped* 



6y. ANOMIA, 



