138 Pelecypoda. — Conchacea. 



Habit. : — 80 org. prof. ; ^Mediterraneum" (Monteeosato) ; Adria: litora 

 Dalmatiae (Sandri), Rovigno, Brevilacqua (Stossioh); Morea (Jeffeeys). 



3. Solecurtus candidus Ren. iS. strigilatus var. Lam.). Differt a prae- 

 cedente testa raagis convexa, minus elongata, extremitatibus distinctius truncatis, 

 linea ex umbone decurrente diverse posita. — Long. 30 — 40 mm. 



Distrib.: Atlanticum ad Magnam Britanniam; ins. Canariae, Madeira. 



Habit. : Litora Hispaniae: Gibraltar (McAndeew, Jeffeeys, Fischee), 

 Valencia, Mataro, Arenys de mar, Barcelona (Hidalgo); Alger, Bona (Deshayes, 

 Weinkauff) ; litora Galliae (Dubeeuil), Provinciae (Petit), Roussillon (Locaed), 

 Cette (Geangee), Palavas (Locaed), Cap Cavaux (Maeion); litora pedemontana 

 (Jeffeeys); Spezia (Tappaeone-Canefei) ; Napoli (Scacchi); Sicilia: Catania, 

 Palermo (Aeadas et Benoit); Adria (Philippi, Scacchi), Venezia (Renieei, 

 G. V. Maetens), Lesina (Hellee), Zara (Sandei), Rovigno, Brevilacqua (Beusina); 

 Mo ea (Deshayes). 



4. S. coarctatus Phil. (Solen coarctatus Gm., CJiama solen da Costa, 

 S. antiquatus Pult., Lam., Azor antiquatus Beown, A. coarctatus Beus.). Testa 

 suboblique elliptica, compressa, solida, irregulariter concentrice striata lineisque 

 obliquis impressis quara in praecedentibus minus distinctis sculpta; epidermide 

 luteo-fusca adliaerente induta; raargo dorsalis leviter arcuatus, ventralis distincte 

 sinuatus. — - Long. 40 — 50 nira. 



Distrib. : Atlanticum usque ad Norvegiam; ins. Canariae, Madeira. — 

 Fossilis in stratis tertiariis. 



Habit. : 4 — 50 org. prof. ; litora Hispaniae: Gibraltar (McAndeew), Cabo 

 de Gata, Cartagena (Jeffeeys), Malaga, Mataro, Barce-lona (Hidalgo); Mahon 

 (HiDALGo); Alger (Weinkauff) , Benzert (Jeffeeys), Harchgun, Bone, Arzew 

 (Deshayes); litora Galliae (Petit, Dubeeuil), Agde (Petit), Cette (Geangee), 

 Aigues-Mortes (CufiMENT), Marseille (Ancey), Mejean, Montredon, la Joliette, fort 

 St. Jean (Maeion); litora pedemontana (Jeffeeys), Corsica (Requien); Spezia 

 (Tafpaeone-Canefei) ; Napoli (Scacchi); Sicilia (Aeadas et Benoit), Palermo, 

 Siracusa, Alicata (Philippi), Sciacca (del Peete) ; „Adventure Bank" (Jeffeeys); 

 Adria: litora occidentalia (G. v. Maetens), Trierte (Saes), Zara (Sandei), Lesina, 

 Lissa (Hellee), Pirano, Veglia, Lussin, Brevilacqua (Stossich); Morea (Deshayes); 

 mare Aegeum (Foebes). 



Cultellus ScHUM. Pallium postice papillosum , siphones hasi tcniti corona 

 tentaculorum cincti, orificium branchiale papillosum, anale simplex, pes longus cylindri- 

 cus, extremitate dilatata et truncata; testa clongata, compressa, angusta, inaequilatera, 

 epidermide tecta, utrinque rofundata et hians; cardo dextra dente primario antico 

 verticali angusto et postico valde obliqno, sinistra dentibus primariis ternis diver- 

 gentihus, medio bifido. 



1. C. pellucidus Wkff. {Solen xjellucidus Penn. , S. pi/gmaeus Lam., var. 

 rainor rectior S. tenuis Phil.). Testa breviter ensiformis, utrinque leviter atte- 

 nuata, antice anguste rotundata, postice oblique subtruncata, tenuissima, sub- 

 laevis, epidermide pallide olivacea, nitida tecta; umbones ad ^'s longit. siti; linea 

 cardinalis rectiuscula; cardo dextra dente singulo, sinistra dentibus binis, postico 

 bipartito. — Long. 24 nim. 



D i s t r i b. : Atlanticura ad Norvegiara borealeni ; balticum. — Fossilis iu 

 stratis tertiariis. 



Habit. : — 85 org. prof. ; Gibraltar (MoAndeew, Jeffeeys) ; Alger 

 (Weinkauff, Monteeosato), Bona (Jeffeeys); litora Galliae (Dubeeuil), Mejean 

 (Maeion); Sicilia: Siracusa, Catania (McAndeew), prora. S. Vito (Monteeosato) ; 



