— 393 - 



margine nunc crasso et intus crenulato, nunc tenui, laevigato. — 

 Long. 23 Mni. Sars. 



Pectunculns sulcatns da Costa Brit. Coucli. p. 192. — (Crass.) Tnr- 



ton Conch. T. 11, F. 1, 2. — (Ast.) Philippi Abbild. II p. bG 



T. 1, F. 4 - Forbes et Hanley I p. 4.52 T. 30, F. G. — Sow. 



Thes. II p. 778 T. 167, F. 1 - iJ. - Jeiheys Br. Conch. II p. 311 



(ex parte , T. 37, F. 1. — Pr. Z. S. 18S1 p. 711. - Eeeve Conch. 



ic. sp. 3. — Sars Norv. p. 61. — Sniith Jouru. of Coucli. III 



p. 206. — Mouterosato Enuni. e Siu. p. 11. 

 Venns scotica Matou et Rackett Trans. Linn. Soc. VIII p. 81 T. 2, 



F. 3. — Montagu Test. Br. Suppl. p. 44. — Desh. liaui. VI 



p. 360. — Wood ludex T. 7, F. 20. — Philippi Abbild. II p. 56 



T. 1, F. 3. — Loven Index p. 36. 

 Veuus (lanuiouia Montagu Test. Br. Snppl. p. 4o T. 29, F. 4. — 



Wood ludex T. 7, F, 21. 

 Crassiua daumoniensis Lam. VI p. 257. — Sow. Geu. T. 63, F. 1— 3. 



— Delessert Recneil T. 7, F. 1. — IMiddeudortt' Mal. ross III 

 p. 44 T. 17, F. 3. - Chenu Man. II F. 616. — Leche Nov.Semlj. 

 p. 15. 



Crassina britaunica Leach Syn. p. 302. 

 Ilab. ex Oceano arctico usque in mediterraneum. 



3. Astarte fusca Poli. T. crassa, ovato-trigona, postice 

 paulo longior, concentrice rugosa, praesertim ad apices, intense 

 fusca, interdum pallide radiata; margo dorsalis anticus e.xcava- 

 tus, posticus longior, convexus; lumila ovata; area fere duplo 

 longior; margo vel integerrimus vel crenulatus; cardo valv. 

 dextrae dentibus 2 parum elevatis, antico profunde bitido, sini- 

 strae 2 divergentibus subaequalibus. — Diam. 2:^, crass. 11 Mm. 



Tellina fusca Poli Test. Sicil. I T. 15, F. 32. 33. - (Crass.) Desh. 

 Lam. VI p. 257. - (Ast.) Philippi Abbild. II p. 57 T. l,F.5-7. 



- Sow. Thes. II p. 783 T. 167, F. 24. — Reeve Conch. icou. 

 sp. 17. — WeiukauffMittelm. p. 124. — Smith Journ. of Couch. III 

 p. 209. - Hidalgo Esp T. 15, F. 2. 3. — 3Iouterosato Euum. e 

 Sin p. 11. 



Venns Petagnae Costa Cat syst. p. 34. 



Veuus inerassata Brocchi Couch. foss. p. 557 T. 14, F. 7. — (Ast.) 



Philippi Enum. I p. 38. — Lam. VI p 257. 

 Inv. — Astarte aftinis Cantraine Diagn. p 28. 



Hab. mare mediterraneum et lusitanicum. 



4. Astarte crebricostata Forbes. T. modice con- 

 vexa, forma ovato-cordata, extremitate antica obtuse rotundata, 

 postica parum latiore subtruncata, margine ventrali levitcr 

 arcuato, dorsali utrinque fere aequaliter declivi, umI)onibus 

 prominulis, paulo ante medium sitis, lunula et area distincte 

 impressis; valvulae solidae, plicis concentricis numerosis, 40 et 

 ultra, epidermide castanea, margine imnc incrassato et intus 

 crenulato, nunc complanato et laevi. — I.ong. ad 32 Mm. Sars. 



Astarte crebricostata Forbes et Mac Andrew Aun. Mag Vol. 19 

 p. 98 T. 9, F. 4. - Forbes et Hanley I p. 456 T. 30," F. 9. — 

 Sow. Thes. II p. 780 T. 167, F. 10. — Gould et Binuey p. 126 

 F. 440. — Reeve Couch. icon. sp. 10. — Morch Arctic Manual 



