SYSTEMATIC INDEX 



O F 



PLATES. 



Class V. CRUSTACEOUS. 

 Genus I. CRABS. 



Plate I. N* i. Pea. 



2. Minute. 



3. Long- horned. 



4. Broad-foot. 

 II. 5. Common. 



6. Cleanfer. 



III. 7. Black-clawed. 



IV. 8. Velvet. 

 A. 6. 



V. 9. Wrinkled. 



[10. Angular. 

 VI. 11. Briftly. 



12, Great-clawed. 



Plate 



