FOR COLLECTING 



DESCRIPTION OF TUCKER'S 



HISTORICAL SURVEY OF 



A HISTORICAL SURVEY OF 



A METHOD FOR HARVESTING 



DISTRIBUTION OF MARINE 



DISTRIBUTION OF MARINE 



ASPECTS OF SAMPLING THE 



H TO SAMPLING ESTUARINE 



OVEMENTS OF FRESH-WATER 



PREPARED +SUMMARY OF ' ' 



TON NETo- 



DESCRIPTION OF 



HUN'S VERTICAL NET, AND 



THE FILTERING RATE OF 



SAMPLER AND THE 



HAULS WITH THE STANDARD 



ON THE EXPERIMENTS WITH 



PLANKTON NET WITH WATER- 



AND THE CURRIE-FOXTON 



TERED BY PLAN+A NOTE ON 



TY + DESCRIPTION OF A 



NOTE CONCERNING A 



A NET AND A METER FOR 



AN INEXPENSIVE 



(SILK GAUZE3), AND THE 



A STANDARD NET, THE 



UBER DEN TRANSPORT VON 



UBER DAS VERHALTEW VON 



A DEVICE FOR SAMPLING 



G TRAWL WITH 3 SIZES OF 



0o37, 0.16, AND 0.08 MM 



USSION OF AVOIDANCE AND 

 RECOMMENDATION OF 

 AMPLER AS A FUNCTION OF 

 FILTRATION COEFFICIENT, 

 COTTON SCRIM OF SIMILAR 

 TOWING SPEED AND 

 CONSISTS OF 1/4' '-SIDE 

 OF COARSE AND FINE 

 A 

 SAMPLERS. 2. AN ALL 

 OF ONE METER AND HALF 

 MANUAL OF THE FLOW 

 AND CLOSING A NET AND A 

 OF 0.5 AND 1.0 

 WITH A 1.6 AND A 1.0 

 BRIEF DESCRIPTION OF 

 OF A STANDARD HALF- 

 HE WORK WITH A PLANKTON 

 RATIO WERE MADE. FLOW 



MACROPLANKTON IN THE SPAWNING SURVEY 

 MACROPLANKTON NET. 



SAMPLERS AND THEIR 

 SAMPLING GEAR.- 

 USING DIVERS. + OF 

 II. THE PELAGIC 

 VII. OBSERVATIONS 



SOME 

 AN APPROAC 

 VERTICAL M 

 OF BIOLOGICAL OBSERVATIONS ' ' 

 OF THE FLOW METER FOR A PLANK 



MACROPLANKTON 

 MACROPLANKTON 

 MACROPLANKTON 

 MACROPLANKTON. 

 MACROPLANKTON . 

 MACROPLANKTON. - 

 MACROPLANKTON. - 

 MACROPLANKTON o- 

 MANUAL 

 MANUAL 



MARSH'S VERTICAL CLOSING NET. 

 MARSH'S VERTICAL NET. + NET, C 

 MARU-TOKU TYPE PLANKTON NET USED IN 

 MARUTOKU B NET, AND THE CLARKE- BUMPU 

 MARUTOKU NET. + OF VERTICAL 



MARUTOKU-B NET AND A 45CM X 90CM 

 MEASURING DEVICE, DESCRIPTION AND TE 

 MEASURING NET WITH REGARD TO VOLUME 

 MEASURING OF THE VOLUME OF WATER FIL 

 MEASURING PLANKTON NET AND ITS ABILI 

 MEASURING PLANKTON NET.- 

 MEASURING THE VOLUME OF WATER PAS SIN 

 MECHANICAL DIGITAL FLOWMETER, - 

 MEDIUM APSTEIN NET (SILK GAUZE 20) 

 MEDIUM APSTEIN NET, THE HELGOLAND 

 MEROPLANKTISCHEN LARVEN AUS DEM 

 MEROPLANKTISCHEN LARVEN IN GESCHICHT 

 MEROPLANKTON NEAR OCEAN OR LAKE 

 MESH AND A CONCIAL SILK NET, + RIN 

 MESH APERTURE, RESPECTIVELY) ,+ NET ( 

 MESH APERTURE, 



MESH SELECTION IN PLANKTON NETS.- 

 MESH SELECTIVITY AT DIFFERENT VERT. 

 MESH SIZE AND MOUTH DIAMETERS FOR SAM 

 MESH SIZE AND TOWING SPEED, +BUMPUS S 

 MESH SIZE, AND VOLUME OF WATER FILTER 

 MESH SIZE. ESTIMATION OF SAMPLING 

 MESH SIZE, OF CLOGGING, AND OF AVOID 

 MESH. THE CENTRAL THIRD OF STRAMIN 

 MESHED NETS OVER A RANGE OF SPEEDS 

 METAL PLANKTON NET.- 



METAL PLANKTON SAMPLER (MODEL GULFII 

 METER DIAMETER,- + SILK PLANKTON NET 

 METER FOR A PLANKTON NET,- 

 METER FOR MEASURING THE VOLUME OF 

 METER MOUTH DIAMETER CLOSING NETS 

 METER MOUTH DIAMETER NET, BOTH CONST 

 METER NETS OF NO. 30 XXX SILK GRIT 

 METER NO.l SILK NET AND METHOD FOR 

 METER ON THE VOLGA. -+EXPERIMENT OF T 

 METER READINGS WITH AND WITHOUT 



649 

 847 

 077 

 541 

 203 

 735 

 739 

 077 

 283 

 917 

 695 

 646 

 581 

 789 

 455 

 833 

 453 

 567 

 145 

 899 

 661 

 385 

 385 

 383 

 849 

 523 

 797 

 093 

 091 

 315 

 '+65 

 595 

 741 

 751 

 843 

 159 

 593 

 741 

 765 

 129 

 599 

 703 

 317 

 329 

 763 

 646 

 383 

 023 

 765 

 021 

 047 

 731 

 609 



62 



