550 FISHERIES OF THE UNITED STATES, [38] 



155. Icebox. 



156. Cold room. 



157. Upper hold 



158. Lower hold. 



159. Steel wire hawser reel 



160. Store-rooms. 



161. Fresh -water tanks. 



162. Water-tight iron bulkhead. 



163. Laboratory store-room. 



164. Ballast-room and sinkers. 



165. Water-tight iron bulkhead. 



166. Coal bunker. 



167. Boiler leg. 



168. Fire-room. 



169. Lower engine-room. 



170. Water-tight iron bulkhead. 



171. Ward-room store-room, and shaft alleys. 



172. Water-tight iron bulkhead. 



173. Paymaster's store-room. 



174. Equipment store-room. 



175. Propeller shaft. 



176. A-frames for propeller shaft. 



177. Propeller. 



178. Rudder. 



179. Rudder-chains. 



Steamer Fish Hawk, 205 tons measurement; built for fish hatching and 

 scientific investigations near the coast. Represented by models 

 and photographs. 



United States Fish Commission. 



The United States Fish Commission steamer Fish Hawk is a twin 

 screw propeller of 205.71 tons measurement, is rigged as a fore-and-aft 

 schooner, with pole topmasts, and was constructed for the combined 

 purposes of fish hatching and dredging. She was designed by Mr. 

 Charles W. Copeland, consulting engineer of the United States Light- 

 House Board, and was completed in the spring of 1880. The Pusey 

 and Jones Company, of Wilmington, Delaware, were the builders. The 

 work of fish hatching necessitates her entering, at times, the shallow 

 waters of rivers, bays, and sounds along the coast, and she has, there- 

 fore, been given a light dralt, which unsuits her for long trips at sea, 

 distant from land. " The hull below the main deck is of iron, built on 

 Lloyd's rules for vessels of her class, and sheathed with yellow pine, from 

 2£ to 3 inches thick, calked and coppered. Above the main deck the 

 structure is of wood. There is a hurricane deck extending from stem to 

 stern, and side to side, on which are located the pilot house, captain's 



