CATCHES IN HORIZONTAL 



NET AND IN HIGH-SPEED 



BOTTOM FOR USE WITH +A 



OF A GRAVITATING 



A FLOATING FISH LARVAE 



N OF THE JUDAY PLANKTON 



THE SIGSBEE GRAVITATING 



SIGSBEE'S GRAVITATING 



OBLEMS IN USING A SMALL 



FUNNEL, THE PLANKTON 



S, TRAWLS, AND PLANKTON 



TOW NETS, PLANKTON 



OF THE MONACO SURFACE 



ISAACS- KIDD MIDWATER 



HE ISAACS- KIDD MIDWATER 



CUSS ION OF THE MIDWATER 



PACIFICA BY COMPARING 



A FOLDING MIDWATER 



ISAACS- KIDD MIDWATER 



ISAACS -KIDD MIDWATER 



OF A BEAM- TYPE 



ISAACS- KIDD MIDWATER 



OF A 3-METER RING 



NET AND A FOLDING RING 



HE ISAACS-KIDD MIDWATER 



ISAACS- KIDD MIDWATER 



ISAACS-KIDD MIDWATER 



ISAACS-KIDD MIDWATER 



ISAACS-KIDD MIDWATER 



ISAACS-KIDD MIDWATER 



THE PETERSEN YOUNG FISH 



A MIDWATER 



S- BROWN OPENING- CLOSING 



F PETERSEN'S YOUNG FISH 



HE ISAACS-KIDD MIDWATER 



E HELIGOLAND YOUNG FISH 



DEPRESSOR, A MIDWATER 



ISAACS- KIDD MIDWATER 



HELIGOLAND YOUNG FISH 



TO AS A YOUNG FISH 



REPORT OF MIDWATER 



C- MIDWATER 



NKTON NETS AND MIDWATER 



OF ISAACS-KIDD MIDWATER 



KTON NETS AND MID-WATER 



A VARIETY OF TOW NETS, 



OCEAN STANDARD NET, THE 

 DESCRIPTION OF 



F THE LITTORAL SAMPLING 

 ON OF A ONE-METER AND A 



TOWS WITH A FISH LARVAE NET AND IN 

 TOWS WITH THE HANDY UNDERWAY PLANKTO 

 TRANSPARENT BUCKET WITH A DETACHABLE 

 TRAP FOR OBTAINING SPECIMENS OF 

 TRAP.+ SPEED PLANKTON COLLECTOR, AND 

 A VERTICAL- CLOSING MODIFICATIO 

 P. 34-37. + THE TOW NET, AND 

 THE CHUN PETERSEN INTERMEDIATE 

 THE D NET, IN ARCTIC SEAS .+ PR 

 THE SMALL AND THE LARGE NET, 



+ OF A VARIETY OF TOW NET 

 AND THE CLARKE- BUMPUS SAMPLER 

 ( OBERFLACHENKURRE) USED FOR 

 AND A ONE-METER RING NET.- 

 AS A TOOL IN PLANKTON ECOLOGY. 

 AS A TOOL IN PLANKTON ECOLOGY. 

 CATCHES WITH THOSE OF A QUANTIT 

 DEPRESSOR. - 



FOR ADULT EUPHAUSEA PACIFICA 

 FOR SAMPLING AT DIFFERENT 

 NET FOR FISH LARVAE AT THE 

 WITH FIELD TEST ON INTER- DEPTH 

 WITH 3 SIZES OF MESH AND A 



DESCRIPTIONS OF A SILK 

 + TO THE WORKING DEPTH OF T 

 FINAL REPORT. - 

 I. FIELD EXPERIMENTS OF THE 

 RECOMMENDATIONS FOR THE 

 - II. FIELD EXPERIMENTS OF 

 THIS ARTICLE IS ALSO AVAILABL 

 THE HELGOLAND LARVA NET AND 



TRAP.+ 

 TRAP, 

 TRAP, 

 TRAP, 

 TRAP, 

 TRAPS 

 TRAPS, 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL 

 TRAWL. 

 TRAWL. 

 TRAWL. 

 TRAWL. 

 TRAWL. 

 TRAWL. 

 TRAWL. 

 TRAWL .+ 

 TRAWL. - 

 TRAWL.- 

 TRAWL.- 

 TRAWL.-+ 

 TRAWL-- 

 TRAWL, 

 TRAWL, 

 TRAWL, 

 TRAWL, 

 TRAWLING 

 TRAWLING 

 TRAWLS. 

 TRAWLS. + 

 TRAWLS. - 



ISAAC 

 THE WORKING ERROR 

 EFFECTIVE CROSS-SECTION OF T 

 SCHERBRUTNETZ . + OF TH 

 A HIGH SPEED PLANKTON COLLECT 

 BARY HIGH-SPEED SAMPLER, BE 

 HJORT'S RING NET, HENSEN'S 

 WITH A THROTTLING DEVICE. 



STUDIES IN THE NORTH PACIFI 

 STUDIES IN THE NORTH PACIFI 

 + OF LARGE HIGH-SPEED PLA 

 5) LARGE AND SMALL TYPES 

 + DEVICE FOR LARGE PLAN 

 TRAWLS, AND PLANKTON TRAPS. + OF 

 TRIANGULAR MIDWATER NET 

 TROPICAL JUDAY NET, AND THE CLARKE- B 

 TUCKER'S MACROPLANKTON NET. 

 TWIN NET WITH BENT LID 

 TWIN NET WITH SEMICIRCULAR OPENINGS 

 TUBE. 

 TWO- METER CLOSING NET. DESCRIPTI 



053 

 053 

 907 

 775 

 191 

 281 

 009 

 811 

 429 

 471 

 884 

 533 

 719 

 081 

 071 

 075 

 010 

 134 

 101 

 681 

 495 

 442 

 465 

 759 

 808 

 445 

 808 

 019 

 439 

 079 

 169 

 443 

 442 

 325 

 101 

 289 

 191 

 083 

 289 

 565 

 071 

 075 

 105 

 205 

 305 

 884 

 619 

 125 

 847 

 619 

 619 

 685 

 537 



I 



80 



