— 422 - 



paullulum iuilata, epidermide tiavo-virescente vel albido-brunnea 

 tecta, interdum lineis angulatis obscuris picta, umbonibus anticis, 

 acutis, incurvis; margo dorsalis leviter arcuatus, posticus rotun- 

 datus, basalis strictiusculus ; ligamentum elongatum, marginem 

 dorsalem fere totum occupans ; cardo dente unico ; latus inter- 

 num albidum, violaceo tinctum. — Long. ad 120 Mm. 



Mytilus pictus Born Mus. Caes. p. 127 T. 7, F. 6 7. - Weinkauff 



Mittelm. p. 227. — Clessin in Mart. Ch. II T. 2, F. 1—4. 

 Mytilus africanus Chemnitz Conch. Cab. VIII p. 160 T, 83, 



F. 739 - 74] . - Reeve Conch. ic. sp. 3. 27. 

 Mytilus afer Gmelin ed. 13 p. 3358. - Lam. VII p. 44. 

 MytiJus smaragdinus Dunker MoU. Tams p. 147, nec Chem. 

 ?MytiIus perna Laniarck ed. 1 vol. VI 1 p. 124 

 Hab. mare lusitanicum et litora Africae borealis. 



4. Mytilus minimus Poli. T. parva, ovato-oblonga, 

 tumida, caeruleo-atra, apicibus albis, obtusis, margine ventrali 

 sinuato concavo, striis incrementi grossis valde conspicuis 

 sculpta; forma pervariabili ; gregaria scopulis affixa. — Long. 

 15 Mm. 



Mytilus minimus Poli Test. Sicil. II p. 209 T. 32, F. 1. — Philippi I 

 p. 73. — Lam. VII p. 49. — Reeve Conch. ic. sp. 56. — Wein- 



. kanfi Mittelm. p. 229. — Hidalgo Esp. T. 26, F. 4. 5. — (Myti- 

 laster) Monterosato Nomeucl. p. 10. — Locard Cat. p. 499 



Mytilus cylindraceus Req Corse p. 30. 



Mytilus Blondeli H. Mart., liburnicus Renier. 



Hab. mare mediterraneum et lusitanicum. 



5. Mytilus crispus Cantraine. T. parva, infiata, 

 saepe fere carinata, ovato-oblonga, forma pervariabili, nigra vel 

 brunnea extus, praecipue versus umbones, peculiariter granulata 

 vel malleata ; latus internum argenteo-album, violaceo tinctum. — 

 Long. 20 Mm. Cantraine gall. 



Mytilus crispus Cantraine Diagnoses p. 26. Petit J C. VI p. 331. 



- Weinkauff Jlittelm. p. 230. 

 Mjtilus Baldi Brusiua Conrh. ined. p. 39, 

 Mytilus denticulatus Renier Tav. alfab 

 Mytilaster lineatus (Gmelin?) Monterosato Noniencl. p. 10. 

 VMytilus confusus Chemnitz Conch. Cab. Vlil T. 84, F. 753. 



Hab. mare mediterraneum. 



6. Mytilus solidus Martin. T. parva, inHata, crassa» 

 rugosa, albina, intus iridescens. — Monteros 



Modiola solida Martin mss. — (Mytilaster) Monterosato Nomencl. 

 p. 10. 

 Hab. Martigues, Palermo. 



2. Genus Modiola Lamarck. 



T. oblonga, transversa, inaequilatera , aequivalvis, antice 

 intiata, umbonibus valde anterioribus sed liaud terminalibus ; 



I 



