128 Pelecypoda. — Conchacea. 



Habit. : — 45 org. prof. ; litora Hispaniae: Algesiras (HiDALrxo), Gibral- 

 tar (McAndrew, Jeffreys), Malaga (McAndeew), Valencia, Barcelona (Hidalgo),- 

 ins. balear. : Menorca, Palma, Alcudia, Malion (Hidalgo) ; Alger (Weinkauff) ; 

 litora Galliae (Petit, Dubreuil), Roussillon (Locard), Cette (Granger), Palavas 

 (Dollfus), Aigues-Mortes (Clement), Marseille (Axcey), fort St. Jean, le Pharo, 

 la Joliette, Roucas-Blanc (Marion), Toulon, St. Tropez (Doublier, Gay), St. Na- 

 zaire, Porquerolles (Locard), Cannes (Dautzexberg) ; Mentone (Locard), Nizza 

 (Risso, V£rany) ; Corsica (Payraudeau, RfiQuiEx) ; Sarclinia : Bonifacio (Rolle) ; 

 Spezia, rariss. (Tapparone-Canefri); Livorno, Giglio (Appelius); Napoli (Scacchi); 

 Sicilia (Philippi) et ins. adjacentes (Aradas et Benoit); Adria: Litora septem- 

 trionalia, frequ. (Stossich), Zara (Sandri); mare Aegeum, 10 — 15 org. (Forbes); 

 Jafifa (Poth) ; Aegyptus: Alexandria (v. Martexs), Eamleh (Schxeider). — Fos- 

 silis in stratis tertiariis. 



13. Tapes puUaster Forb. et Hly. [Venns ^^ul^astm 'M.tg., V. seneydensis 

 DiLLw., T. senegalensis Hid., T. reconditus Loc). Testa transverse ovata, paullo 

 elongata, subrhomboidea , antice breviter rotundata, compressa, postice altior 

 truncata, supra et infra subangulata, striis concentricis postice distinctioribus 

 lineisque radiantibus subtilissime decussata, lutescenti-albida, rufo-fusco aut fusco 

 varie notata, lineata et punctata, rarius unicolor ; cardo dente antico sinistro et 

 postico dextro plerumque minoribus. — Loitg. 40 — 45 mni. (Jeffreys hanc 

 speciem formam meridionalem praecedentis esse censet.) 



D i s t r i b. : Atlanticum. 



Habit. : Algesiras, Gibraltar (Hidalgo); Alger (Monterosato) ; litora Galliae 

 (Dubreuil) , Aigues-Mortes (CliSjient) , Marseille , Toulon , St. Nazaire , Porque- 

 rolles, Mentone (Locard). 



m 14. T. Hoberti Brus. {? T. laefus 'Pohi, var. ^jo/?/^«ia Chier., ? T. aureus 

 var. quadrata Jeffe.). Testa ovato-quadrangula, depressa, inaequilatera, postice 

 elongata, angustata, subangulata, antice rotundata, dilatata, transversim irregu- 

 lariter sulcata, margine dorsali arcuato, apicibus acutiusculis ; cinerea, marmorata, 

 — Long. 13, lat. 18, alt. 7 mm (Brusina). 



H a b i t. : Adria : Zara ( Brusina). 



m ? 15. T. PoUonerianus Sulliotti. ,,Testa solida, sat inflata, rugosis- 

 sima, subquadrata, griseo-rufescente. " — Magnit. ? 



Habit. : Litus .,Bonaria", prope a Cagliari, Sardinia (Sulliotti). 



?16. Venus retifera Lam. .,Testa ovato-oblonga , transversim sulcata; 

 albida, lineolis subangulatis, fulvis, in radios retiformes coadunatis; ano oblong» 

 pubeque fuscis. " «Long. 40 mm (Lamarck). 



Distrib. : Maria europaea? (Lamarck). 



Habit. : Litora Galliae (Dubreuil). 



Venerupis Lam. {Irus Oken p. p.). Siphones in parte conjuncti, orificiis 

 fimhriatis, anali ajjijendice valvidari munito; pes compressus, b//ssifer ; testa ovato- 

 oblonga, saepe irregidaris et pauMo inaequivalvis (margine dorsali postico valvae unius- 

 supra eum alterius projiciente eumque tegente); lamellis concentricis et striis radian- 

 tibus ornata. ligamentum externum; cardo dentibus primariis 2 — 3, lateralibus mdlis. 



1. V. irus Lam. {Donax irus L.). Testa ovalis, interdum subquadrangula, 

 inaequilatera, postice longior, omnino clausa ; sordide alba, antice et ad umbones 

 plerumque fusca, lamellis concentricis postice magis elevatis sculpta, interstitiis 

 radiatim striatis; cardo dentibus 3 minimis parallelis utrinque. — Long. 25 mm. 



D i s t r i b. : Atlanticum a Lusitania ad Magnam Britanniam ; Pontus. — 

 Fossilis in stratis tertiariis, miocenicis et pliocenicis. 



