\"eiieii(lae. 127 



<]ala Meusihkx). Testa ovata, tumida, subcordata , utrinque attenuata, postice 

 luagis, concentrice sulcata, sulcis subdistantibus, striis radiantibus obsoletis ; lunula 

 cordato-ovata ; flavida , varie niaculata et lineata , intus aurea aut croceo-flava, 

 saepe coerulescente-liiul)ata. — Long. 25 — 2S, alt. 18 — 20 mm. 



Distrib. : Atlanticum usque ad Maguam Britanniam; Pontus. — Fossilis 

 in stratis tertiariis. 



Habit. : i) — 20 org-. prof. ; Gibraltar? (McAndkkw), Cartagena , Kosas 

 (HiDALGo); ins. balear. : Palma, Andraitx, Mahon (Hidalgo); Alger (Weixkaukf) ; 

 litora Galliae (Petit, DruKEuiL), Eoussillon (Locakd), Cette (Graxger), Aig^ues- 

 Mortes (Cli^^mext), Marseille (Akcey), fort 8t. Jean, le Pliaro, la Joliette, Po- 

 megue, Catalans, Roucas-Blanc (Mariox), Toulon (Doublier, Gay), St. Tropez, 

 St. Nazaire, PorqueroUes (Locard), Cannes (Dautzexberg) ; Mentone (Locakd), 

 Nizza (Risso, Vi;;raxy) ; litora pedemontana (Jeffreys) ; Corsica (RfiQUiEN), Ostri- 

 coni, Algaiola, sin. Giroleta, Yentilegne (Payraudeau) ; Spezia (Tapparoxe-Ca- 

 NEFRi) ; Livorno (Appelius) ; Napoli (Philippi), Lago Fusaro (Jeffreys) ; Sicilia 

 (Philippi) , Palermo , Messina , Catania , Siracusa (Akadas et Bexoit) ; Taranto 

 (Philippi); Adria : Venezia (Weixkauff), Trieste (Sars), Zara (Saxdri), Lussiii 

 (Stossich) ; mare Aegeum (Forbes), Creta (Spratt, Jeffreys). 



Nom. vulg. : Mahon: Escupina burday (Hidalgo). 



10. T. edulis Wkff. (Venus edulis Chemx., V. vi rginea Schrot. [anL.Vj, 

 T. ririiincd F. et H., V. loiKjona Olivi, V. innominata Saxdri, teste Stoss., V. 

 rhomhoides Pexx.). Testa subrhomboidea, oblonga, laeviuscula, sulcis concentricis 

 ad extremitates tantum distinctioribus, hic illic obsolete radiatim striata, anticn 

 breviter et oblique rotundata , postice producta , dein oblique truncata ; lunula 

 lanceolata ; lutescenti-albida, plerumque interrupte biradiata, intus alba, umbones 

 versus aurantiaca aut purpurea. — Long. ob — 40 mm. 



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



Habit. : Litora Hispaniae: Algesiras (Hidalgo), Gibraltar (McAndrkw), 

 Cabo de Gata ( Jeffreys), Barcelona, Mataro, San Pol, Valencia, Pefiiscola (Hi- 

 DALGo) ; Mahon (Hidalgo) ; litora Galliae (Petit, Dubreuil), Roussillon (Locard), 

 Cette (Graxger), Aigues-Mortes (Cliiimext), Marseille (Axcey), Toulon (Doublier), 

 Hyeres (Locard) ; Nizza (Risso, Vf.raxy) ; litora pedemontana (^Jeffreys); Corsica 

 (R^quien); Adria: Venezia (G. v. ]\Iaktexs, Weixkauff) , Quarnero, rariss., 

 Levrera, Smergo (Stossich, in sinu Triestino abest), Zara (Saxdri). 



Nom. vulg. : Venezia: Longon (G. v. Martexs). 



in 11. T. pulchellus RoEMER { Venus 2>idche]la Jj\m.). Testa minor. ovalis, 

 paullo elongata, iiuuMiuilatera, postice truncata, regulariter convexa, costulis con- 

 centricis distinctis regularibus ad extremitates majoribus liueisque radiautibus 

 sculpta; alba, rufo-fusco maculata, interdum fuscescens, intus alba, postice violacea: 

 umbones antemediani, tumiduli, laeves ; lunula ovata, pauUum impressa, sed linea 

 incisa delinita. — Long. 18, alt. 12 mm. 



Habit. : Alger (Deshayes, Weinkauff); litora Galliae (Dubreuil), Pro- 

 vinciae (Rkcluz). 



m 12. T. geographicus Roemer (Venus (jeoiiraphica Gm., 1'. lUterafa P<»li, 

 nec Pexx., V. Tenorii O. G. Costa, T. saxicola Dan. et Sandri). Testa ovato- 

 oblonga, valde inaequilatera, antice breviter rotimdata, postice longioi- et latior, 

 margine dorsali postico recto ventrali parallelo ; conceutrice striata, striis saepius 

 postice tantum conspicuis, radiantilius obsoletis : all)a, plerumque lineis i-utis angn- 

 latis postice picta aut marmorata aut radiata ; lunula ovato-oblonga ; aiea nulla ; 

 sinus pallialis semiovatus extremitate rotundatus. — Long. 25 — 30 mm. 



