152 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 





1892 



1893 



1894 



1895 



1896 



1897 



1898 



- 



to 



to 



to 



to 



to 



to 



to 





1894 



1895 



1896 



1897 



1898 



1899 



1900 



6 in. trawl 



0-107 



0-275 



0-310 



0-357 















\ in. „ 



0-159 



0-105 



0-217 



0-137 



0-200 



0-83 



0-60 





1899 



1900 



1901 



1902 



1903 



1904 



1905 





to 



to 



to 



to 



to 



to 



to 





1901 



1902 



1903 



1904 



1905 



1906 



1907 



6 in. trawl 











0-100 



0-54 



0-50 



0-43 



0-51 



\ in. ,, 



0-39 



0-42 



0-43 



0-32 



0-30 



0-19 



0-29 



. 



1906 



1907 



1908 



1909 



1910 



1911 



1912 





to 



to 



to 



to 



to 



to 



to 





1908 



1909 



1910 



1911 



1912 



1913 



1914 



6 in. trawl 



0-70 



0-125 



0-140 



0-212 



0-157 



0-147 



0-78 



\ in. „ 



0-75 



0-142 



0-157 



0-165 



0-94 



0-95 



0-59 





1913 



1914 



1915 



1916 



1917 









to 



to 



to 



to 



to 









1915 



1916 



1917 



1918 



1919 



1919 





6 in. trawl 



0-100 



0-90 



0-114 



0-100 



0-136 



0-213 





\ in. „ 



0-75 



0-50 



0-43 



0-36 



0-110 



0-139 





The following graphs represent these results. Fig. I is 

 plotted from the triennial averages taken annually. 



Puna 













T\%h Trawl k inch hush 



1200 



_ 



'"•. 









.Shrimp - if « •• 



1100 



_ 



,' ••. 











I0OO 



_ 



1 











aoo 





/ 











too 



_ 



; 











fCO 





J 











boo 



_ 













500 



_ 



; 











L00 





,' 











J00 





~7*~^ — \ 









— "• — \ ^~*- — . 



ZOO 



100 



"' 





«^^ X 



= -/ 



t' 



"-— --V^^ 









1 1 A 1 1 





, j 



| 





YuHslgQM. 5 b 7 8 (j ICjOO.) Z j I } d j 8 (j 10 U IZ 13 k 15 0> I] it l(j 



Fig. 1. Graph showing the numbers of plaice caught per haul. The 

 points plotted are triennial averages taken annually. 



