WORMS. TESTACEA. 62. Venus- 221 



flexuofq* Shell with tranfverfe obtufe grooves: lips of the anterior 

 margin with an elevated angle 



Rumpf. Muf tab. 44, /%. A ? O ? Gualt. teft. tab. S3. I. 

 • Born. Muf. Caf, Find, tell tab. 4,/. 10. 



Chemn. conch. 6, tab. 31 « J%- 3J3> 334* 



Inhabits Ametka and Indian Ocean: 'an inch long, if broad ; 

 whitiih with rufous dots or rays, or cinereous with brownjilj 

 fpots and Arise," fometimes though rarely fnowy with black 

 depreffures each fide the beak and blue hinge : tranfverfe 

 ftrije llightly crenate and biiid towards the front ; frontal 

 margin retufe rufous obliquely ftriate with elevated gibbous 

 lateral angles : margin very (lightly crenulate. 



Mrycbia, Shell with tranfverfe parallel very obtufe grooves: fronts! 

 margin glabrous : depretfion behind the beaks ovate. 



Lister coach . tab t 268. fig , 104. 



Knorr Vergn. 4. tab. %-f 5. 



Chemn. conch, b, tab. 32./", 337— 339. 



Inhabits India ; refembles V. Chion£; 2 \ inches long and nearly 

 3 broad : fliell thjc'k flattifh, fiefh-colour with numerous brows* 

 rays and an orange band towards the margin..* in front g 

 long narrow gape: hinge with 4 middle teeth. 



* Merce* Shell thick ftrong with flight tranfverfe {\i\x and covered 

 nana, with a brown cuticle, within pale violet ; deprefljos 



nc-f dtutli £ behind the beaks ovate : margin crenulate. 

 «V- U i?J* u» *■ I Lifter tab. 271. fig . 107. 

 dh+ic^J a f S P en £l- Schr - Naturf 6. tab. 6. fig. 4-3. 



<g£ ' Chemn. conch. 10. tab. 171. fig. 1659, 1660, 



Inhabits Europe and North America*- and is found foffile in ih§ 

 the mountains of Sweden, in North America, tJhefe fhells arg ; 

 called Clams, and th? Indians make their Wampum or Indian 

 money of them. 

 Shell above 3 inches long and nearly as much broad, ovate, nar* 

 rowed on the fore-part ; under the cuticle brown ftraw-colour 

 with violet rays beneath and on the fore-part, with elevated 

 tranfverfe femicircular ftriae and longitudinal grooves : im* 

 preffion ! behind the beaks heart-fliaped and longitudinally 

 ftriate; frontal margin glabrous. 



© 



IJlandica. Shell thick ftrong with flight tranfverfe ftrias and covered 

 with a brown cuticle, within pure white : impreffion 

 behind the beaks o : margin entire. 

 Pennant Brit, Zbol.iv. tab. 53. fig, 47. 

 Lifter tab. 272. Anin, AngL tab. 4. fig. 22. 

 Da Cofta Brit conch, tab. \\.fig> c, 

 Gualt. ted. tab.fti&JTig. B. 

 Born, Muf Caf.Find. t-e/l. tab. 4. fig. 11. 



hie** 



