928 DR. GWYN JEFFREYS ON THE MOLLXJSCA OF THK [NoV. 29, 



and figured the present species as Solen multistriatns ; but that was 

 fourteen years after Turton. The late Dr. Nardo referred Renier's 

 shell to Solecurtus candidus of de Blainville ; the specific name given 

 by the latter, however, was albus (Diet. Sc. Nat. xlix. p. 420) ; and 

 the date of his publication is 1827, five years after that of Turton. 



[/ 2. Solecurtus ANTiauAxus, Pulteney. 



Solen antiquatus, Pult. Cat. Dors. p. 28, pi. iv. p. 5. 



Solecurtus a?if.iquatus, B. C. iii. p. 6, pi. i. f. i. ; v. p. 190, 

 pi. xlvi. f. 2. 



♦Porcupine' Exp. 1870: Atl. St. 10. 13, Setubal B., C. Sagres, 

 36, Tangier B. ; Med. Capo de Gata, Cartagena B., 50, 50 a, Benzert 

 Road, G. Tunis, Adventure Bank. 



Distribution. Bohuslan (S. Sweden) to the Morea, Adriatic, 

 Madeira, Canaries ; 4-50 fms. 



Fossil. Miocene : Vienna Basin and throughout a considerable 

 part of the European continent. Upper Tertiaries : Coralline Crag, 

 Belgium, Biot, Italy, Morea. Post-tertiary : Belfast, Calabria, 

 Rhodes, Cyprus. 



Not Solen coarctatus of Gmelin. The habitat given by Chemnitz 

 (from whose figure Gmelin named it) was the Nicobar Isles, and the 

 size 2j inches. 



Ceratisolen legumen, Linne. 



Solen Icywnen, L. S. N. p. 1114. 



C. legumen, B. C. iii. p. 10, pi. i. f. 2 ; v. p. 190, pi. xlvi. f. 3. 



' Porcupine ' Exp. 1870 i Med. St. 50. 



Distribution. Scandinavia {Miiller), S. & W. England and Ireland 

 to Egypt, Adriatic, Mogador, Senegal ?, Guinea ?, Port Said ? ; 

 0-20 fms. 



Fossil. Miocene : Vienna and Bordeaux Basins, Switzerland. Upper 

 Tertiaries : Italy. Post-tertiary : Belfast, W. Scotland, Rhodes. 



1. Solen pellucidus. Pennant. 



/S. j5eZ/Mc«WMS, Penn. Br. Zool. iv. p. 84, pi. Ixvi. f. 23 : B. C. iii. 

 p. 14; V. p. 190, pi. xlvi. f. 4. 



♦Porcupine' Exp. 1869: St. 2, 9, 18, 33, 68, Little Minch, 

 near Belfast. 1870: Atl. Tangier B. ; Med. 51, G. Bona (var. 

 minor, rectior = iS. tenuis). 



Distribution. Loffoden Is. to thejEgean and Adriatic; 0-85 fms. 



Fossil. Upper Tertiaries : Coralline and Red Crag, Belgium, Italy. 

 Post-tertiary : Aldeby, Belfast. 



^S'. pygmceus, Lamarck : Var. S. tenuis, Philippi : Cultellus sut- 

 fonensis, Searles Wood ; not his O. ^e«M?V (afterwards C. cuUellatics). 

 Not S. pellucidus, Spengler, from Chemnitz. 



2. Solen ensis, L. 



S. ensis, L. S. N. p. 1114 : B. C» iii. p. 10 ; v. p. 190, pi. xhiu 

 f. 1. 



•Porcupine' Exp. 1870: Med. St. 50, 50«* 



