THE VARIATION IN 

 WATER FILTERED, AND THE 

 THE TYPE OF NET, THE 

 COEFFICIENT, THE 

 COSINE LAW AND FROM A 

 DUE TO PATCHINESS, 

 N AND ILLUSTRATION OF A 

 DESCRIPTIONS OF A 

 TOWED PLANKTON NETS.+A 

 NET EQUIPPED WITH A 

 ETY OF ZOO PLANKTON + 

 NSEN EGG NET, THE + 

 NE-METER PLANKTON NET. 



10 SILK BOLTING CLOTH, 

 IMPROVED TANNER CLOS+ 

 IGH- SPEED PLANKTON + 

 WATER- MEASURING DEVICE. 

 RECHERCHE DES ORGANISMf 

 INTRODUCTION ET 

 UITABLE FOR ATTACHME+ 

 A PLANKTON NET. 

 TICAL HAULING, 



DUMAIGE , 

 R SUBMARINE USE AT ALL+ 

 GNED FOR MINIMUM + 

 T AND AN IRON CAP + 

 SAMPLER DESIGNED BY + 

 BY JOHN ISAACS OF + 



MEROPLANKTON NEAR + 

 KTON SAMPLER WITH + A 



U, S. N. VII. 



AN ENGLISH SUMMARY. 



CATCHER IN A RIGID + 

 DESIGNEE; TO REDUCE + 

 NET, 



SIGNED SAMPLER AND + 

 NET AND ITS ABILITY + 

 NG MACROPLANKTON + 



POPULATION, AND A 

 KTON SAMPLER AND + 

 NAL NET WITH A NANSE+ 

 EL MIDWATER TRAWL + 



EQUIPPED WITH A + 

 SING NET. 



HEAD OF THE OTHER. 

 SCOR, AND UNESCO WITH + 

 LER. DISCUSSION OF + 

 TON FAEROE CHANNEL. -VI. 

 ON SAMPLER. IN RUSS+ 

 LINE OF APPARATUS AND A 

 ANKTON COLLECTION AND A 



DEPTH OF THE IE T DURING TOWING, AND 

 DEPTH OF THE NET WITH DIFFERENT 

 DEPTH OF TOW, ETC., AND A CCMPARISON 

 DEPTH RANGE FISHED, AND CLOGGING. 

 DEPTH RECORDER. DISCUSSION OF THE 

 DEPTH SAMPLED , VOLUME OF WATER 

 DEPTH- DISTANCE RECORDER .+DESCRIPTIO 

 DEPTH- DISTANCE RECORDER (ITS- DEPTH 

 DEPTH- DISTANCE RECORDER FOR USE WITH 

 DEPTH-FLOWMETER. DISCUSSION OF 

 DESCRIPTION AND DISCUSSION OF A VARI 

 AND DISCUSSION OF THE HE 

 AND EVALUATION. -+ICITA 

 AND ILLUSTRATION OF A 

 AND ILLUSTRATION OF THE 

 AND PERFORMANCE OF THE H 

 AND RESULTS OF TESTING. - 

 D'UN APPAREIL DESTINE A 

 DE L' EXPEDITION. - 

 OF A CLOSING APPARATUS S 

 CLOSING DEVICE FOR 

 CLOSING NET FOR VER 

 CLOSING NET MADE BY 

 CLOSING TOW- NET, FO 

 COD END BEAKER DESI 

 CONICAL PLANKTON NE 

 CONTINOUS PLANKTON 

 DEPRESSOR DESIGNED 

 DEVICE FOR SAMPLING 

 DISCRETE DEPTH PLAN 

 FIXED-FRAME NET FOR 

 GRAVITATING TRAP 

 HAND- TOWED NET AND 

 HIGH-SPEED NET 

 HIGH-SPEED PLANKTON 

 HIGH-SPEED SAMPLER 

 HIGH-SPEED SURFACE 

 HYDRODYNAMICALLY DE 

 MEASURING PLANKTON 

 METHOD FOR HARVESTI 

 MODIFIED CLARKE- BUM 

 OF A MODIFIED HARDY PLAN 

 0? A MODIFIED INTERNATIO 

 MODIFIED ISAACS-KID 

 MODIFIED NANSEN NET 

 MODIFIED PAVESI CLO 

 MULTIPLE NET- -ONE A 

 OF NETS PROPOSED BY ICES, 

 OF A NEW HIGH-SPEED SAMP 

 A NEW MID-WATER TOW NET 

 A NEW MODEL OF PLANKT 

 A NEW SAMPLER, + THIS 

 A NEW SAMPLER. -+0F PL 



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46 



