PLATE XXXVII. 



Chama glycemerls, Bcllon. Pcctunculus ingens varlegatus ex rufa 

 List. 11. Conch, tab. 247. fig. 82. 



Concha crassa, Irevis, subalbida, luteis maculis radiata, signata, fas- 

 data, et virgulata, intiis macula fusca obscu- 

 rata. Giuilt. 1. Conch, tab. 72. fig. G. 



Glycymerls cornul)icrisis crassa marmorata. JIns. Petiv. p. 84. 

 Nu.SlG. 



Bastard, or dog's cockle. Eutty Dublin^ p. 379. 



Area glycymeris, orbicular, Pcmi. Br. Zool. No. 58. tab. SS.fig. 58. 



Glycymeris. Orbicularis crassa subalbida lineis nifulis sagittaeformi- 

 bus variegata, intus obluscata inargineque 

 crenato. Orbicularis. Da Costa. Br. Conch, 

 p. IGS, tab. W.fig. 22. 



This species is found, of a large size. In the Mediterranean sea ; 

 those which Inhabit the English coast, as Falmouth and Cornwall, 

 rai"elv exceed the size of the smallest specimen we have represented. 

 It is found likewise on the shores of Guernsey, and the coast of Ire- 

 land, wlierc it is called the dog's cockle. 



