EXPLANATION OF PLATES. 



Frontispiece. 

 Pinna rudis. 



Plate I. 



Fig. 1. Terebratida caput-serpentis. I Fig. 3. Crania anomala. 

 l a . T. cranium. 4. Anomia ephippi/on. 



2. Argiope cistelhda. 5. Ostrea edulis. 



Plate II. 

 Fig. 1. Pecten opercularis. Fig. 2 a . Lima Mans. 



1". P. similis. 

 2. Lima Loscombii. 



3. Avicula hirundo. 



Fig. 1. Lucinopsis undata. Fig. 4. Psammobia tellinella. 



2. Gastrana fragilis. 5. Donax vittatus. 



3. Tellina balthica. 



Plate VLLI. 

 Fig. 1. Amphidesma castaneum. I Fig. 3. Lutraria elliptica. 



2. Mactra solida. 4. Scrobicidaria piperata. 



the end. 



PRINTED BY TAYLOR AND FRANCIS, RED LION COURT, FLEET h'TREET. 



