92 SHELLS. Class VI. 



Stuhorum. Lin. Syfi. 1 1 26. No. 99. 

 42. Simple- 

 ton's, 



M. with femi-tranfparent ihells, fmooth, glofly -> 

 white without ; purplifh within. 



Size of a hazel nut. 



Tab. Hi. fig, 42. 



Solida. Lin. Syfi. 1126. No. 100. Faun. Suec. No. 2140. Lift. Angl, 



43. Strong. tab. iv. fig. 24. 



M. with very ftrong Ihells ; in a live flate, fmooth, 

 white, glofTy, and marked with a few tranfverfe 

 firia, In dead Ihells, the ftria appear like high 

 ribs. Vide fig. 43. A. Tab. 1. 



Lutraria. n iU Sjfi. u 2 6. iV*. 101. Jftu*. $»«. Jfr. 2I28. Zj/?. 



44. Larce. j n gi ta i % iy, fig, 19. 



M. with an oblong thin fhell -, one fide much ex- 

 tended, and gaping; for which reafon Linnaus 

 once placed it among the My<e. 



Breadth live inches -, length two and a half. 



Inhabits the fea near the mouth of rivers ; and 

 even fometimes within the mouth. 



Tab. Hi. fig. 44. 



IX. Its 



