— 359 — 



formibus, appressis et sulcis radiantibus undulatis postice magis 

 elevatis sculpta, sordide alba ; ligamentum externum prominens ; 

 cardo valvulae dextrae dente unico, bifido, sinistrae 2 parallelis, 

 antico majore bifido. — Long. 16 Mm. 



Veims litliopliaga Retzius Act. Acacl. Taur. V p. 11 F. 1. 2. — 



Gmeliu ed. 13 p. 3295. — Poli Test. Sicil. I T. 7, F. U, 15. — 



Philippi Enum. I p. 21 T. 3, F. 6. — Sow. Thes. T. 166, F. 



18. 19. — Forbes et Hanley I p. 151 T. 6, F. 9. 10. — Sow. III. 



Ind. T. 1, F. 7. — Weinkauff Mittelm. p. 90. — Hidalgo Esp. 



T. 74, F. 11. 

 Mya decussata Montagu Test. brit. Suppl. p. 20 T. 28, F. 1. 

 Petricola striata Lamarck VI p. 158. 

 Petricola semilamellata Lamarck VI p. 157. — Delessert Eecueil 



T. 4, F. 10. — Locard Cat. p. 381. 

 Petricola costellata Lamarck VI p. 158. — Delessert Hec. T. 4, 



F. 12. — Hanley Rec. Sh. T. 11, F. 46. — Locard Cat, p. 382. 

 Petricola ruperella Lamarck VI p. 159. — Delessert. Rec. T. 4, 



F. 14. — Hauley Eec. Sh. T. 11, F. 47. — Locard Cat. p. 382. 

 Petricola roccellaria Lamarck VI p. 158. — Delessert Rec. T. 4, 



F. 13. — Hanley Rec. Sh. T. 11, F. 46. - Locard Cat. p. 382. 



Hab. mare mediterraneum et lusitanicum. 



2. Genus Venerupis Lamarck. 



T. transversa, inaequilateralis, latere ])ostico brevissimo, 

 antico subhiante. Cardo dentibus 2 — 3 in valva dextra, 3 in 

 sinistra, omnibus parvis approxiraatis, vix divaricatis; ligamen- 

 tura externum. — Lam. 



1. Venerupis irus Linne. T. ovalis interduin sub- 

 quadrangula, inaequilatera, postice longior, omnino clausa, sor- 

 dide alba, antice et ad umbones plerumque fusca, laraellis con- 

 centricis postice raagis elevatis sculpta, interstitiis radiatim 

 striatis ; cardo dentibus 3 rainutis parallelis in utraque valva. — 

 Long. 25 Min. 



Donax irus Linne ed. 13 p. 1128. ~ Chemuitz Conch. Cab. VI T. 

 26, F. 268. 270. - Poli Test. Sicil. I T. 10, F. 1, T. 19, F. 22. 

 23. — (V.) Lam. VI p. 163. — Philippi Enum. I p. 21. — Forbes 

 et Hanley I p. 156 T. 7, F. 1-3. - Sow. Thes. T. 64, F. 1.— 

 Sow. Hl. Ind. T. 1, F. 18. — Weinkauff Mittelm. p. 91. — Jeff- 

 reys Br. Conch. III p. 86 T. 51, F. 8. — Locard Cat. p. 379. 

 Tellina coruubiensis Pennant, Cuueus foliatus Da Costa. 

 Hab. mare mediterraneum et lusitanicum usque ad Bri- 

 tanniam. 



2. Venerupis substriata Montagu. T. rotundato- 

 quadrangula, angulis omnibus obtusissiinis , rotundatis, valde 

 inaequilatera, antice brevissiraa, striis radiantibus creberrimis 

 sub lente granulosis concentricisque irregularibus decussata, 

 margine integro; sordide alba; sinus palliaris raaxiraus, sub- 

 angulatus; cardo in valv. dextra dentibus 2 compressis diver- 

 gentibus, in sinistra 3, raedio majore bifido. — Long. 16 Mra. 



