- 421 — 



29» Familia Mytiiidae. 



1. G-enus Mytilus Linne. 



T. aequivalvis, cuneiformis, valde inaequilatera, umbonibus 

 anterioribus, terminalibus, acutis, latere postico rotundato ; caido 

 dentibus niinimis vel obsoletis; ligamentum marginale, lineare, 

 subinternum. 



1. Mytilus edulis Linne. T. irregulariter trigona, 

 antice gibbosa, niarginem posticum versus declivis, laevis, lineis 

 incrementi tantum sculpta, purpureo-coerulescens, epidermide 

 fusca vel atra, margine ventrali stricto vel leviter incurvo; 

 umbones obtusi, leviter divergentes; ligamentum crassum ; cardo 

 denticulis parvis 3 10 in utraque valva. — Long. ad 60 Mm. 



Mytilus edulis Liune ecl. 12 p. 1157. — Lam. VII p. 47. — Forbes 



et Hauley II p. 170 T. 48, F. 3. 4. - Sow. 111. Ind. T. 6. 



F. 18. — Reeve Conch. icon. sp. 33. — Jeffreys Br. Conch. II 



p. 104 T. 27, F. 1. - Hidalgo Esp. T. 25, F. 3. 



Var. = Mytilus iucurvatus Peuuant Br. Zool. IV p. 111 T. 64,F. 74. 



- Forbes et Hanley II p. 171. 

 Var. = Mytilus abbreviatus Lamarck VII p. 47. 

 Var. =1 Mytilus ungulatus (Linne ed. 12 p. 1157 ?) — Soav. 111. Ind. 



T. 6, F. 19. 

 Var. = Mytilus pellucidus Penuant Br. Zool.IVp. 112 T. 63, F.75. — 

 Chemnitz Couch. Cab. VIII T. 84, F. 755. - Eeeve Conch. ic. 

 F. 33 b. - Forbes et Hanley II T. 48, F. 2. — Kobelt Jahrb. XII 

 T. 7, F. 2. 



Mytilus subsaxatilis Lam. ed. 1 vol. VI 1 p. 109. 

 Var. = Mytilus retusus Lam. VII p. 48. 



Hab. Oceanum atlanticum et arcticum. 



2. Mytilus galloprovincialis Lamarck. Differt a 

 praecedente t. minus intlata, multo latiore, umbonibus acutiori- 

 bus, incurvis, margine ventrali promiuulo, expanso, et animale. — 

 Long. ad 150 Mm. 



Mytilus galloprovincialis Lamarck VII p. 46. — Poli Test. Sicil, II 



T. 32, F. 5. - Philippi Enum. I p. 72 T. 5, F. 12. 13. — Reeve 



sp. 39. — Weinkauft' Mittelm. p. 225. — Locard Cat. p. 496. — 



Hidalgo Esp. T. 25, F. 1 5. 



Var. = Mytilus hesperiauus Lam. VII p. 48. — Payraudeau Corse 



T. 2, F. 5. 

 var. = Mytilus flavus Poli Test. Sicil. II p. 207 T. 32, F. 4. — Eeeve 



Conch. ic. sp. 1. 

 Var. = Mytilus sagittatus Poli Test. Sicil. 11 p. 208 T. 32, F. 2. 3. 

 Var. = Mytilus petasiunculinus Locard Cat. p. 497. — (Hidalgo Esp. 



T. 25, F. 3). 

 ?Var. = Mytilus striatus Lolimeyer. — Kobelt Jahrb. XII T. 7, 

 F. 3. 4. 

 Hab. mare " mediterraneum. 



3. Mytilus pictus Born. T. oblongo-trigona , solida, 



