WORMS. TESTACEA. 56. Mya. %fo 



Gualt. left. tab. 91. fig. D. 

 Chemn. conch, 6. tab, 1. fig. I, 2. 



2. Lifter conch, tab. ^20), fig. 270. 



Inhabits European leas; 2| inches long, 



6VW/ dirty-white covered with a y el lowifh -brown ikin, thic'k^ 

 . convex, with irregular tranfverfe ftriae forming wrink!es ; 

 within quite fmooth : the fijh js frequently eaten, and is a 

 principal food of fea birds. 



Weclivis. Shell brittle, femitranfparent, Hoping downwards near tk§ 

 open end ; the hinge flightly prominent. 

 Found about the Hebrides. Brit. Zool. iv. p. 79. 

 Shell lefs gaping than the laft : fifti in great efleem as a food 

 among the inhabitants* 



% Armaria. Shell ovate, rounded behind: tooth projecting forwards. 

 rounded and furnilhed with a lateral fmaller one. 

 • Pennant Brit, Zool. iv. p. 79, tab. 42. 

 Lifter conch, tab, 418, €g, 262. 

 Bafier op. fuhf. 2. p. 69. tab, 7, fig. I — 3. 

 • Qf ■ Argenv. Zoom. tab. $,f. 10. Lefj'ertest, fig. 106. 

 Born Muf. Caf. Vind, test, tab. 7, fig. A. 

 Chemn. conch. 6. Vign, et tab. I, fig. 3,4. 



2 . Lister conch, tab, 419, yTg-. 263. 



Inhabits European feas, under the fand ; 2§ inches long ; yellow? 

 ifh reddifh-brown or dirty-white : full marked with tranfver^f 

 wrinkled ftrise : tooth of the hinge longer and more obtuse 

 than that of M. truncata. 



Pifioruxj. Shell ovate; with a fingle longitudinal crenulate tooth hi 

 one hinge, and 2 in the other. 

 Pennant Brit. Zool. iv. p. 79. tab. 43, fig. 17° 

 Lister con^h* tab. \\6,fig. 1. tab. 1 47. /*. 2, 3. 

 List. An. Ang. tab. 2, f. 30. App.tab, l,f. 4. 

 Gualt. Test. tab.j,f, E. Barbut, tab. 2,fi 1. 

 Argen<ville comb. tab. 2j t fig. 10, Z00.W. /. 8,/*. 11, 

 Schrcet. Flufconch, tab. 2, f, 2. tab, 3, f. 2—5 » 

 Chemn. conch. 6, /#£. I, fig. 0* 



2. Chemn. conch', 6. tab. 3, ^. 23, 24. 



3. Zz/?. ra;K\&, tab. 148. 



4. Argennjille conch' tab. 29, jfg-, 1 8, 



5. Schr at. Flufconch. tab, ^^ fig. 3. 

 6* Schrcrt. Flufconch. tab. 9, /Sg*. I . 



I Bjl&aM^ 



