PLATE XXIX. 



F I G. II. 



DONAX IRUS. 



TOLIATED purr: 



SPECIFIC CHARACTER* 



Oval. Outside rugged or wrinkled transversely with numerous raisei 

 membranous waved laminae or foliations. 



Don ax Irus : testa ovali, rugis membranaceis ereetis striatis cincta. 

 Cuneus parvus albescens, rugis foliaceis et membranaceis ereetis 



transversim cinctus. Foliatus. Da Costa. Brit. 



Conch, p. 204.—% 39. tab. IS. fig. 6. 



Found in abundance in Cornwall buried in the sands, and not 

 uncommon on the shores of Dorsetshire. 



