LIST OF PLATES. 



xm 



Plate LII. Fig. 



1 Simpleton Mactra. 





2 Solid Tellina. 





*2 Far. 





3 Horny T. 



LIII 



1 Aculeated Cockle. 





2 Fringed C. 





3 Edible C. 



LIV. 



1 Smooth C. 





2 Chione Venus. 





3 Strong Mactra (o Id). 



LV. 



1 Subtruncated M. 





2 Strong M. 





3 Large M. 



LVI. 



Icelandic Venus. 



LVII. 



1 Warted V. 





2 Casina V. 





3 Antiquated V. (Far.) 



LVIII. 



1 Yellow Donax. 





2 Purple D. 





3 Waved Venus. 





4 Indented V. 





5 Maiden V. 



LIX. 



1 Antiquated V. 





2 Wrinkled V. 





3 Oval V. 



LX. 



1 Golden V. 





2 Decussated V. 





3 Fading V. 



LXI. 



1 Orbicular Arc A. 





2 Fringed A. 



LXII. 



Great Scallop. 



LXIII. 



1 Lesser Sc. 





2 Red Sc. 



LXIV. 



1 Variegated Sc. 





2 Writhed Sc. 





3 Worn Sc. 



LXV. 



Larger Anomia. This adheres 





to the Common Oyster. 



