368 MACTRID^. 



Mr. Lnkis, of St. Peter''s Port, Guernsey, assures us (S. H.) 

 were dug out from a little sandy nook of the adjacent islet 

 of Herm. It is chiefly taken on the coasts of France, 

 Sicily, and the warmer parts of Europe. 



SPURIOUS. 

 M. FRAGiLis, Chemnitz. 



Mactm fmgilis, Chemn. Conch. Cab. vol. vi. p. 236, pi. 24, f. 235.— Turt. 

 Dithyra Brit. pi. 4, f. 10.— Flem. Brit. Anim. p. 428.— Brit. 

 Marine Conch, p. 48. — Dillw. Recent Shells, vol. i. p. 144. 

 — Conrad, Amer. Marine Conch, pi. 14, f. 3. 

 „ (/e«7Wa, PuLTENEY, Hutchins, Hist. Dorset, p. 31. — Mont. Test. Brit, 

 p. 95, pi. 5, f. 1. — Linn. Trans, vol. viii. p. 68, pi. l,f. 10. — 

 Dorset Catalog, p. 32, pi. 7, f. 7. — Turt. Conch. Diction, 

 p. 80. — Flem. Brit. Anim. p. 428. — Brown, Illust. Conch. 

 G. B. p. 107, pi. 41, f. 8, 9. 

 „ Draziliana, Lam. Anim. s. Vert. (ed. Desh.) vol. vi. p. 106. — Hanl. 

 Recent Shells, p. 31, Suppl. pi. 10, f. 60. 



An Amei'ican shell introduced hy Dr.Ptdteney as a native of 

 Dorset. Having seen the exam2')les delineated hy our English 

 authors, u'e are enabled to state that they really belong to the same 

 S2yecies,a conclusion which the engravings referred to woidd scarcehj 

 have borne out. 



