BULLETIN 



OF THE 



UNITED STATES FISH COMMISSION. 



1881. 



OIIil^-NETS IIV THE COD-FISIIERV : A I>EI«$CRIPTIOX OF TBE NOR- 



ITEOIAIV €OD-IVETS, ^VITII DIRECTIONS FOR THFIR IJ8F, AND A 

 HISTORY OF THEIR INTRODUCTION INTO THE UNITED STATES. 



By CAPT. J. W. COLLINS. 



[twelve plates.] 



SYNOr'SIS. 



A.— INTRODUCTION. 



Page. 



Cod gill-nets introduced by United States Fisli Commission in 1878 3 



Information obtained at International Fishery Exhibition 4 



Preparation of report 4 



Acknowledgments due 4 



B.— CONSTEUCTION AND EIG OF THE NETS. 

 1. — Norwegian methods. 



Twine 4 



Size of mesh 4 



Size of nets 4 



Method of hanging 4 



Methods of j)reserving the nets by tanning, &c 5 



Floats 5 



Sinkers 5 



Anchors ; 6 



Buoys 6 



2. — Newfoundland methods. 



Twine 6 



Size of mesh 6 



Size of nets , 6 



Method of hanging 6 



Methods of tanning, «fec 7 



Floats 7 



Sinkers 7 



Anchors , 7 



Bnoys 7 



Bull. U. S. F. C, 81 1 April 13,1881. 



