146 Pelecypoda. — Myacea. 



Alger (Weinkat'ff) , Rashgun, cap Lindeles, Mers-el-Kebir , Bone (Deshayes), 

 Bona, Benzert, Rasel Amush (Jeffreys) ; litora Galliae (Petit, Dubreuil), Rous- 

 sillon, la Nouvelle (Locabd), Cette (Granger), Palavas (Dollfus), Agde (Locabd), 

 Aigues-Mortes (Cl^ment), Martigues (Locard), Marseille (Ancet), le Prado, Montre- 

 don (Marion), Toulon, St. Tropez (Locard, Doublier, Gay), cap Sicie, Porque- 

 roUes, Carqueirannes, Hyeres (Looard), Cannes (Dautzbnbebg) ; Mentone (Locabd); 

 Nizza (Risso , VjfeRANY) ; litora pedemontana (Jeffreys) ; Corsica (Payraudeau, 

 Ri6quien) ; Sardinia (Mc Andrew), Bonifacio (Rolle) ; Spezia (Tapparone-Canefri) ; 

 Livorno (Appelius), Napoli (Costa, Scacchi, Philippi); Sicilia: Catania, Termini 

 (Philippi), prom. S. Vito (Monterosato), frequ. (Aeadas et Benoit) ; „Adventure 

 Bank" (Jeffreys); Malta, Pantellaria , Tunis (McAndrew, Jkffbeys) ; Adria: 

 Venezia (Olivi), Trieste (Gbube, Sars), Zara (Sandri), Lesina (Heller), Pirano, 

 Cherso, Unie, Ossero, Lussin, Brevilacqua (Stossich) , Rovigno fSViiviMEB); mare 

 Aegeum (Jeffrey-s) : Smyrna, Sumboli, Lycia (Foebes) ; Syria (Ehrenbeeg). 



m 2. Corbula revoluta Beocchi. „Testa oblonga, tumida, inaequivalvis, 

 transversim profunde rugosa , pube truncata , carinata , margine antico alterius 

 valvae sursum revoluto, cardine unidentato." (An praecedens species?) 



Habit. : Palermo, rar. (Aeadas et Benoit) ; Taranto (Costa). — Fossilis 

 in stratis tertiariis. 



m 3. C. porcina Lam. (C. irigona [Hinds] Petit, C. niactraeformis Biondi). 

 „Testa transversim elougata, albida, laeviuscula, latere postico rotundato, antico 

 angulato, subrostrato, truncato. " 



Habit. : Litora Galliae (Dubbeuil), Provinciae (Petit) ; Sicilia: Aci-Trezza, 

 Catania (Aeadas) ; Adria : Rimini (Deshayes). 



Corbulomya Nyst. Sqjhoiies perhreves, exiremitate separati , sine corona 

 tentaculorum ; orifickm anale subdenticulatum, hrancliiaJe pinnatnm; testa in vaJra 

 dextra dente primario antico, margine, foveae postico projiciente. dentem simulante, 

 in valva sinistra vestigio denfis primarii antici et dente primario postico spathuliformi. 



1. C. mediterranea Wkff. (Corhu^a mediterranca Costa, Lentidiimi macu- 

 latmn de Cbist., Tellina parthcnopaea DCh., Corhida physoides Desh.). Testa mi- 

 nuta , oblonga , quadrilatera , subtriangularis , compressa , tenuis , nitida , laevis, 

 tenuissime concentrice striata, pallide flava, plerumque radiis tribus croceis ornata. 

 — Long. 7 mm. 



Distrib. : Atlanticum, lusitanicum. — Fossilis in stratis tertiariis. 



H a b i t. : Algesiras (Jeffbeys), Valencia (Hidalgo) ; Alger (MoNTEBOsATt), 

 Deshayes, Weinkauff), Bona (Deshayes, Weinkauff), Oran (Deshayes) ; litora 

 Galliae (Dubbeuil), Provinciae (Petit), Palavas (Dollfus), etang de Borre (Petit), 

 Marseille , la Joliette , le Prado (Maeion) , Toulon (Locaed) ; Nizza (VfiEANv) ; 

 litora pedemontana (Jeffeeys) ; Sardinia : Bonifacio (Rolle) ; Spezia (Tapparone- 

 Canefei) ; Livorno (Appelius) ; Napoli (Costa, Scacchi), Cumae (Philjppi) ; Si- 

 cilia (a Philippi non reperta): Palermo, Messina, Catania (Aeadas et Benoit). 



2. C. ovata Kob. {Corhida ovata Fobb.). Testa tenuis, subelongato-ovalis, 

 longitudinaliter subtilissime striata, albida, epidermide tenui, fuscescente induta, 

 lateribus rotundatis, antico paullulum productiore, subtruncato; umbones depressius- 

 culi. — Long 15 mm. 



Distrib. : Mare arcticum. 



Habit. : Litora Galliae (Dubreuil). — An certo haec species borealis? 

 m 3. C. trigonula Monteb. „Testa subtrigona, flexuosa, acutangnla a 

 margine centrali lobato. Incolorata." Long. 3 mm. 

 Habit. : Litora Siciliae (Monteeosato). 



