IV. Geims: Poronia Recluz. 



42. Spec. P. ruhra Montagii (Cardium) Zara — Puntebianche. 



nucleola Lam (Amphidesma). 

 violacea Scacchi (Erycina). 

 seminulum Phil (Bornia). 



XI. Familia: fialcoiiiidac Petit 



I. Geiiiis: Galeoma Turton 1825. 



43. Spec. G. Turtoni Scacchi. Teon — Pasmano -- Lesina. 



punctura Brown (Psamobia). 

 formosa Scacchi (Partenope). 

 striolata Delle Chiaje (Hiatella). 

 Polii Costa (Hiatella). 



ILll. Faiiillia: Oonaciilac. 



I. Geiius: Donax Linne 1768. 



44. Spec. D. frunculus Linne. — Spalato — Almissa — Bevilaqua 



vittatus Da Costa (Cuneus) Ragusa. 



45. Spec. D. semislriala Poli. - Bevilaqua — Almissa — Bagusa. 



fabagella Lam. 



46. Spcc. D. venusia Poli - Almissa — Bcvilaqua. 



Cataniana Brusina 



47. var alha — Almissa. 



48. Spec. D. polita Poli — Bevilaqua. 



compianala Montg. 

 vinacea Gmel 

 longa Brown. 

 albo radiata Dan. San. 



II. Genus: Mosodesma Deshayes 1830. 



49. Spec. M. donadlla Lam (Amphidesma) Bevilaqua — Lesina. 



cornea Poli — Ragusa — Spalato. 

 plebeja Pulteney 

 Lamarchii Phil. 



ILIII. Faiiiilias Aiiiiilii«lc»»iiii<lac. 



I. Genus: Scrohicularia Schumacher 1817. 



50. Spec. S. comprcssa Pultcney. (Mactra) — Nona 



borealis Pennaut (Venus) 

 plana Da Costa 

 gaditana Gmel (Mya) 

 fabula Brusina. 



