PA.RT XXI. 



THE CRAB, LOBSTER, CRAYFISH, ROCK LOBSTER, SHRIMP, AND 



PRAWN FISHERIES. 



By RICHARD RATHBUN. 



1. THE CRAB FISHERIES. 



a. ATLANTIC AND GOLF COAST. 



Common edible crab, or blue crub. 



Natural history and uses of the blue crali. 



Methods offishiug and transporting. 



Extent and character of the fishery. 



Coast review of the crab fishery. 



Crab canning. 



Statistical recapitulation of blue crab fishery. 



The minor crab fisheries. 



The tiddler crab, oyster crab, stone crab, aud other 

 minor species. 



The horse-shoe crab fnhery. 



8. The commercial importance of the horse-shoe crab. 



ft. THE PACIFIC COAST. 



9. Crab fisheries of the Pacific States aud Territories, 



California to Alaska. 



c. STATISTICAL RECAPITULATION. 

 10. Statistics of the crab fisheries of the United States. 



General review. 



The fishing grounds and fishing seasons. 



Apparatus aud methods of the fishery. 



The fishermen. 



The fresh-lobster markets. 



2. THE LOBSTER FISHERY. 



(i. The methods of shipping; prices. 

 7. The canning industry. 



H. History of the fishery ; decrease ; protective laws. 

 9. The cultivation rind transplanting of lobsters. 

 10. Coast review, with statistics. 



3. THE CRAYFISH FISHERY. 



The crayfish fishery of North America. 

 Methods of capture, preservation, aud transportation 

 in Germany. 



3. Statistics of crayfish fishery for 1880. 



4. THE ROCK LOBSTER FISHERY. 



The rock lobster fishery of California. 



5 THE SHRIMP AND PRAWN FISHERIES. 



a. THE ATLANTIC AND GULF COASTS. 



1. General review. 



2. Coast review of the fisheries. 

 :!. Shrimp canning. 



b. THE PACIFIC COAST. 



4. The shrimp fishery. 



5. The prawn fishery. 



c. STATISTICAL RECAPITULATION. 



6. Statistics of the shrimp and prawn fisheries of tin- 



United Stairs. 



627 



