/'1 6 DR. GWYN JEFFREYS ON THE MOLLUSCA OF THE [JunC 7, 



^/ 8. Venus gallina, Linne. 



Venus gallina, L. S. N. p. 1 130 : B. C. ii. p. 344 ; v. p. 184, 

 pi. xxxix. f. 2, 3. 



'Porcupine' Exp. 1869: St. 2, 6, 9, 18, 19, Lough Swillv, L. 

 Foyle, off Lerwick. 1870: Atl. 10, 13, Vigo B., C. Sagres, Tan- 

 gier B. All the above are var. striatula. Med. Algesiras B., 45 

 (var. striatula), iiO, off Binaldo's Chair (var. striatula). 



Distribution. Iceland and Vadso to E. Mediterranean, Port Said, 

 Black Sea, Caspian, Adriatic, Mogador, N, Japan; 0-120 fms. 



Fossil. Upper Tertiaries and Post-tertiary : Norvpav, British Isles, 

 S,W. and S. France, Italy, Algeria, Morea; 0-1360'ft. 



Mr. McAndrew says that he found at Algiers the typical form 

 living on the shore, and in 30 fathoms the variety striatula. 



^ 9. Venus ovata. Pennant. 



Venus ovata, Penn. Brit. Zool. iv. p. 97, pi. 56. f. 56 : B. C. ii. 

 p. 342; V. p. 184, pi. xxxix. f. 1, 1 a. 



'Lightning' Exp.: St. 3, 5, 7. 



'Porcupine' Exp. 1869: St. 1, 2, 6, 13, 14, 18, 19, 23 a, 25, 35, 

 61, 62, Little Minch, off Lerwick. 1870 : Atl. 3, 9, 10, 13, Vigo B., 

 16, Setubal B., 22, 24, C. Sagres, 2r;-28, 36, Tangier B. ; Med. 45, 

 Capo de Gata, Cartagena B., 50, 50 a, 55, Benzert Road, Basel 

 Amoush, Adventure Bank. 



Distribution. Vadso to E. Mediterranean, Sea of Marmora, Bos- 

 phorus, Adriatic, West coast of Africa {Deshayes)1 ; 0-1083 fms. 



Fossil. Miocene : Austrian Empire and Switzerland, Calabria. 

 Upper Tertiaries: Coralline Crag, Belgium, S.W. and S.France, 

 Italy, Greece, Rhodes, Algeria, Madeira. Post-tertiary : Scandi- 

 navia, British Isles, Calabria; 0-106 ft. 



Synonyms. Nearly a dozen, from Walker (1784) to Leach (1852). 



I/' 10. Venus chione, Linne. 



Venus chione, L. S. N. p. 1131 : B, C. ii. p. 332; v. p. 184, 

 pi. xxxviii. f. 4. 



'Porcupine' Exp. 1870: Atl. St. C. Sagres; Med. Algesiras B., 

 50, Benzert Road, Adventure Bank. 



Distribution. S. and W. England, Wales, and Ireland to Egypt, 

 Adriatic, Madeira, Canaries, Azores ; 0-120 fms. " Carnarvon Bay, 

 with Cyprina islandica, burrowing in the sand at extreme low water, 

 not more than an inch below the surface, leaving a small slit in the 

 sand over the ventral margin of the shell" (Robertson) . 



Fossil. Upper Tertiaries : Belgium, S. France, Italy, Morea, 

 Rhodes, Cyprus, Madeira- Post-tertiary : England, Calabria ; 

 0-1200 ft. 



Venerupis irus, Linne. 



Donax irus, L. S. N. p. 1 128. 



Venerupis irus, B. C. iii. p. 86, pi. iii. f . 4 ; v. pi. Ii. f. 5. 



' Porcupine ' Exp. 1869: St. The Minch (young). 



