8 U. S. FISHERIES STEAMEE ALBATROSS. 



e. 1 electric light. 



H hydrographic station. 



H. O U. S. Hydrographic Office. 



hbr harbor. 



int. 3 intermediate 3. This is a large ship's net on a 5^-foot ring; net about 



11 feet long made of no. 0000 grit gauze, with about 3 feet of the 

 bottom of no. 3 silk, and a brass bucket at the bottom. The out- 

 side netting is |-inch webbing for the protection of the silk. 



int. 4 intermediate 4 ; same as intermediate 3, bu t with an extension of 6 feet 



of 1-inch webbing carried to a 10-foot ring, thus increasing the 

 opening to 10 feet. 



int. 5 intermediate 5; similar to intermediate 4, but with no. 14 grit gauze 



only in the bottom part from the 3-foot ring to the bucket; above 

 this ^-inch webbing to the 5^-foot ring, and thence 6 feet of f-inch 

 webbing to the 10-foot ring. Equipped with a funnel of f-inch 

 webbing. 



9' Jn. dr Johnston oyster dredge. This is an Albatross-Blake beam trawl 



with a rake bar bolted at the heel. Used also in 6-foot length. 



K. 1 a small plankton or Kofoid net, made of no. 1? silk, on n 14-inch ring. 



K. 2 same as above, but made of no. 20 silk. 



K. 4 same as above, but made of no. 3 silk. 



K. 5 same as K. 2, but made of no. 1 silk. 



K. 6 a net of same length as other Kofoid nets, but provided with clamps 



on opposite sides of the ring to attach directly to the cable; also 

 with a bail from the ring to the bucket. Designed to lower and 

 hoist with the ship lying to and the cable running vertically, thus 

 making no catch except while ship is underway and towing. 



Lt light. 



Luc. sdr Lucas sounding machine. 



m. b mud bag. When more than one mud bag is used the two supple- 

 mentary bags are rigged one at either end of the trawl frame. 



6' McC 6-foot McCormick; an adaptation of the Blake trawl frame, with rear 



beam bolted to bottom shoe and serving as a spindle on which bent 

 teeth of £ by 2 inch iron work as a rake. Not successful. 



2' o. p open plankton net on 2-foot ring; made of no. 1 silk. 



spec specimen. 



12 / Tnr 12-foot Tanner beam trawl. 



Tnr.-Blish sdr. . .Tanner-Blish sounding machine. 



therm Negretti & Zambra thermometer, with Tanner case. 



wat. bot Sigsbee water bottle. 



* signifies depth as shown by chart when no sounding has been made. 



** signifies depth and character of bottom as obtained by sounding at previous station. 

 X signifies nets towed astern, from taffrail, side by side. 



§ signifies apparatus towed (horizontally) at depth indicated, during number of 

 minutes given in the first period; then hoisted (vertically) to surface, net open, 

 in time next shown. 



The letters (a), (b), (c), (d), (e), when used with the abbreviation 

 for sounding apparatus, indicate the kind of sounding cup used; thus, 



(a). . .Sigsbee sounding rod. (d). ..bail-cutter. 



(b). . .Lucas snapper. (e). . .ordinary lead with tallow. 



(c). . .Lucas 4- tube sounding rod. 



