PLATE 25 



Fig. 14. Accumulator springs on the supporting ana for the net. 

 X about %. 



Fig. 1.5. Diagram of top of head piece of net showing cable slot 

 (c. si.), cable bolt (c. b.), trips (fri, tr^), buffers {huf.^, buf.-), thumb- 

 bolt {th. b.i) for releasing and setting cable bolt, set screw (s. scr.) for 

 the slot filler (si. fil.) and the rear lug (lug) for the net support (n. sup.) 

 and accumulator carrier (ace. stip.). X V^. 



Fig. 16. Longitudinal section through plankton bucket showing head- 

 piece (hd. p.), net clamp (n. cL), silk window (s. w.) and closing plug (pi.). 

 X i/o. 



ABBRE\ 



ace. sup. — accumulator supporter, 

 bwf.i, buf.- — first and second buf- 

 fers. 

 c. — cable. 

 c. b. — cable bolt. 

 c. si. — cable slot. 

 eush. — cushion for accumulator. 

 dr. pt. — drip point of bucket. 

 /?. — flange of net clamp. 

 hd. p. — head-piece of net. 

 lug — lug for net support. 

 n. cl. — net clamp. 

 n. sup. — net supporter. 



TATIONS 



op. — opening in end of cable bolt. 



pi. — plug of bucket. 



?•. — supporting rings of bucket. 



s. scr. — set screw. 



sli. — shoulder of supporter easting 



si. fil. — slot filler. 



sp. ch. — spring chamber. 



str. — tie string for silk window. 



s. u\ — silk window. 



th. 6.1, /7i. b.- — two positions of 



thumb-bolt. 

 tr.i, tr.- — first and second trips. 

 u\ — window in side of bucket. 



[348] 



