WORMS. TESTACEA. 60. Ma&ra. 



2*3 



\lluci#a % Shell ovate thin pellucid white, with unequal tranfverfe 

 ftiicC. 

 Chemn, cone. 6. tab. 24. fig. 234.- 



Inhabits Guinea: 1 J inch longhand 2 broad : fell brittle, $ 

 little produced forwards and gaping. 



Fragiiis. Shell ovate thin fmooth pellucid Hattifh, the anterior gape 

 trahfverfely Itriate and wrinkled. 

 Chemn. cone. 6. tab, 24. fig. 235. 

 Inhabits Nicohar Ifiands ; refembles the laft. 

 Shell gaping and 'flightly plaited on the fore-part; the margin, 

 acute, fuban'gular before and rounded behind. 



pigofx, Shell ovate, dirty white, with elevated longitudinal ftriac 

 croiijng the tranfverfe ones whicl} are a little more 

 raifed. 

 Inhabits European Ocean. Chemn cone. 6. tab, 24. fig* 236. 

 Shell 2 I inches long, 2 % broad ; thick and white Within, 



Rkobarica' Shell ovate thin pellucid fmooth on the fore-part, the hind- 

 part with cancellate ftrice. 

 Inhabits Nicobar Ifands, Chemn. cone, 6, tab; z/^.fig, z$j. 



Complanata Shell ovate thin with arched plaits, the plaits tranfverfely 

 ftriate : lateral teeth o. 

 Inhabits India. 'Chemn. cone, 6. tab. 24. fig. 238. 

 Shell white or blueifh : an inch long, 2 | broad. 



V Listen, Shell very thin, nearly round, whitifh ; hinge with a tri- 

 angular tooth and large pyriform hollow. 

 Lifer Anim, Angh tab. \.fig. 23. 

 Found at the mouth of the river Tees; \ \ inch long and 2 broad, 



Piperita, £heli ovate compreffed tranfverfely ftriate: teeth of the 

 hinge very minute, with a large oblique hollow. 

 Adans Conch, tab, ij.fig. 18. 

 Gfoemn. cone, 6. tab. jf. ^fig- 21, [$/t % * 

 Peti<v. Gazoph. tab. 9. fig. 3* 

 Inhabits the Mediterranean : 21 lines broad, ij high, and 7 deep. 



61. D03^AX. Animal a Tethys; full bi- 

 valve, with generally a crenulate margin, 

 the frontal margin very obtufe : hmgc 

 with 2 teeth, and a {ingle marginal one 

 placed a little behind, rarely double 

 triple or 0. 



Scort 11777., 



