714 DR. GWYN JEFFREYS ON THE MOLLUSCA OF THE [June 7, 



Calabria, Upper Tertiaries : Coralline and Red Crag, Belgium 

 {Nyst, as Cytherea trigond), S. France, Italy, Greece, Rhodes. 

 Post-tertiary: Calabria. 



Family XIV. Venerid^. 



1 1. Venus exoleta, Linne. 



Venus exoleta, L. S. N. p. 1134: B. C. ii. p. 327; v. p. 184, 

 pi. xxxviii. f. 1. 



' Porcupine' Exp. 1869 : St. Galway B. 



Distribution. Finmark to the Morea and Adriatic ; 0-50 fms. 



Fossil. Miocene and Upper Tertiaries: throughout Europe from 

 England to Greece, Rhodes, and Cyprus. Post-tertiary : Norway, 

 Calabria ; 0-50 ft. 



y 2. Venus lincta, Pulteney. 



V. lincta, Pult. in Hutch. Dors. p. 34 : B. C. ii. p. 330 ; v. 

 p. 184, pi. xxxviii. f. 2. 



'Porcupine' Exp. 1869: St. 1, 9, 10, 14, 18, 35, The Minch. 

 1870: Atl. lO.VigoB. (var, lupinus), C. Sagres, Tangier B.; Med. 

 Algesiras B., 50, Benzert Road, Adventure Bank (all these belong 

 to the variety lupinus). 



Distribution. Iceland, Faroe Is., arctic Norway to the coast of 

 Syria, Adriatic, Morocco ; 0-90 fms. 



Fossil. Miocene : Vienna Basin and Switzerland. Upper Ter- 

 tiaries and Post-tertiary : Norway, British Isles, Belgium, S.W. 

 and S. France, Italy, Greece, Rhodes; 0-130 ft. 



V. exoleta j8, Linne'. Dr. Morch must have been mistaken in 

 considering the present species V. spuria of Gmelin, which latter was 

 founded on Lister's and Chemnitz's figures of Lucina borealis. 

 There are numerous synonyms, including V. lupinus of Poli, and 

 Cytherea lunaris of Lamarck. 



t- 3. Venus rudis, Poli. 



V. rudis, Poh, Test. utr. Sic. ii. p. 94, t. 20. f. 15, 16. 



'Porcupine' Exp. 1870 : Atl. St. 10, Setubal B., C. Sagres, 26, 

 29, 36, Tangier B., Gibraltar B. ; Med. 45, Capo de Gata, Carta- 

 gena B., 50, off Jijeli, G. Bona, Benzert Road, Rasel Amoush, Ad- 

 venture Bank, off Rinaldo's Chair. 



Distribution. Bay of Biscay to E. Mediterranean and Sea of 

 Marmora, Black Sea, Adriatic, Canaries ; 2-120 fms. 



Fossil. Upper Tertiaries : Coralline, Red, and Norwich Crag, 

 Belgium, S. France, Cos, Italy, Rhodes, Madeira. Post-tertiary : 

 "Middle Glacial " at Hopton, Calabria. 



Nine synonyms. 



V^ 4. Venus effossa, Bivona. 



Venus effossa (Biv. MS.), Philippi, En. Moll. Sic. i. p. 43, t. iii. 

 f. 20. 



'Porcupine' Exp. 1870: Med. St. 50 (valve only). 



