INITIAL DISCUSSION OF 

 N OF THE PERFORMANCE OF 

 STUDYING THE EFFECTS OF 

 OF AVOIDANCE, 

 AVOIDA+ DISCUSSION OF 

 CURRENT VELOCITIES AND 

 ILTERING EFFICIENCY AND 

 LOCITY AND DIRECTION OF 

 TY AND DIRECTION OF + A 

 SIVE MECHANICAL DIGITAL 

 NKTON NET BY MEANS OF A 

 CS OF PLANKTON NETS.- 



A 



ONS OF A SILK NET AND A 



PLANKTON AS A 



PLANKTON AS A SOURCE OF 



THE SOURCES OF MARINE 



ION THROUGH THE + THE 



M,- DRAG 



IZONTALLY BY A CONSTANT 



GTH OF STRUCTURE TOWING 



AND CHANGING ITS 



IZONTAL CLOSING NET AND 



THE BIRGE CONE NET AND 



TH + A RECORDING DEPTH 



OF NO. 30 XXX SILK GRIT 



EITHER NO. 24XXX GRIT 



BETWEEN NO. 30 XXX GRIT 



LARVA NET (SILK 



APSTEIN NET (SILK 



WITH TOP- PIECE (GRIT 



DROP ACROSS THE 



WITHOUT TOP- PIECE (SILK 



O'S CURTAIN NET AND THE 



CUSSION OF THE MODIFIED 



FILET BATHYPELAGIQUE DE 



NET AND THE MODIFIED 



VII. DESCRIPTION OF A 



OW NET, AND THE SIGSBEE 



TOW NET, SIGSBEE 'S 



AND OPERATION OF THE 



D A MODIFICATION OF THE 



.+ DESCRIPTION OF THE 



HERRING OF A MODIFIED 



SAMPLERS TESTED WERE.* 



ILLUSTRATION OF A 



OF IT WITH THE 



OF THE JET NET, THE 



THE GULF- II AND THE 



CATCHES TAKEN WITH THE 



ER FOR INBOARD USE.- 



PLANKTON SAMPLERS .+THE 



FLOW PATTERNS 



FLOW PATTERNS 



FLOW VELOCITY 



FLOW.- 



FLOW-METER— 



FLOWMETER,- 



FLOWMETER.-+ 



FLOW METERS. 



FLOW METERS. + RECORDER. DISCUSSIO 

 FLOW ON AQUATIC INVERTEBRATES .-+ OF 

 FLOW PATTERNS AND FILTRATION CHARACTE 

 AT THE MOUTH OF NETS, 

 INSIDE AND OUTSIDE OF 

 ACROSS THE MOUTH. +0F F 

 + MEASURER OF THE VE 

 A MEASURER OF THE VELOCI 



AN INEXPEN 

 OF WATER FILTERED BY PLA 

 FLUME EXPERIMENTS ON THE HYDRODYNAMI 

 FOLDING MIDWATER TRAWL DEPRESSOR. - 

 FOLDING RING TRAWL. DESCRIPTI 

 FOOD SOURCE FOR MAN.- 

 FOOD.- 

 FOOD.- 



FORCE ACTING ON THE PLANE NET IN MOT 

 FORCE OF PLANE NET PARALLEL TO STREA 

 FORCE. -+ ITS LEAD LINE IS PULLED HOR 

 FORCES AND CATCHING ABILITY. + STREN 

 FORM WHEN ITS LEAD LINE IS PULLED 

 FOUR SQUARE NET 



FOWLER'S MIDWATER TOW NET. + HOR 

 FUNNEL, THE PLANKTON TRAP, THE SMALL 

 GAUGE FOR USE IN HORIZONTAL HAULS WI 

 AND FAIRLY SIMILAR SIZE NYLON 

 OR OF COTTON SCRIM OF SIMILAR 

 SILK AND NO. 471 NITEX NYLON 

 0), THE HENSEN EGG NET WITHOUT 

 20) . DISCUSSION OF SAMPLING 

 22), THE LARGE VERTICAL NET 

 THE RELATION BETWEEN PRESSURE 

 AND THE MEDIUM APSTEIN NET 

 GIESBRECHT CLOSING NET. + OF MONAC 

 GIESBRECHT NET. DIS 



GIESBRECHT.- MODIFICATION DU 

 GIESBRECHT- NET. DISCUSSION OF A 

 GRAVITATING TRAP FOR OBTAINING SPECI 

 GRAVITATING TRAP, P. 34-37. + THE T 

 GRAVITATING TRAP, THE CHUN PETERSEN 

 GULF I- A HIGH-SPEED PLANKTON SAMPLER 

 GULF lA SAMPLER, + SAMPLER, AN 

 GULF III HIGH-SPEED PLANKTON SAMPLER 

 GULF III NET WAS LESS THAN FOR THE 

 GULF III, JET NET, 6-FT ISAACS- 

 GULF V SAMPLER MOUNTED ON A SLED 

 GULF III WITH REGARD TO TOWING CHARA 

 GULF HI, AND THE BARY HIGH SPEED 

 GULF-IA. SUGGESTION TO ADAPT THE 

 GULF- II AND THE GULF-IA. SUGGESTION 

 GULF- II SEMIAUTOMATIC PLANKTON SAMPLER 

 GULF- III AND OTHER MODERN HIGH-SPEED 



GAUZE 



GAUZE 



GAUZE 



GAUZE 



GAUZE 



GAUZE 



GAUZE, 



GAUZE), 



705 

 015 

 561 

 767 

 527 

 423 

 233 

 438 

 438 

 849 

 661 

 569 

 134 

 759 

 221 

 378 

 683 

 815 

 795 

 425 

 442 

 425 

 619 

 882 

 471 

 419 

 021 

 765 

 025 

 523 

 523 

 523 

 408 

 523 

 711 

 041 

 709 

 717 

 775 

 009 

 811 

 783 

 049 

 329 

 169 

 083 

 481 

 227 

 227 

 235 

 235 

 235 

 331 



54 



