Table 4-w — Mean vertebral counts of herring, by year-class, in British Columbia waters- 



V 



Locality 



1926 



1927 



1928 



1929 



1930 



1931 



1932 Greatest 

 diff. 



East coast Vancouver Island 

 and adjacent mainland 



Saltspring Island 

 Departure Bay 



52. SO 



Nanoose Bay 



Granite Bay 

 Pender Harbour 



Point Grey 

 Hajnmond Bay 



West coast - Vancouver Island 



Barkley Sound 

 Sydney Inlet 

 Nootka Sound 

 Esperanza Inlet 

 Kyuquot Sound 

 Quatsino Sound 



'■'orthern British Columbia 



Bella Bella 



Skidegate Inlet 



Jap Inlet 



Butler Cove 



Frince Rupert Harbour 



Pearl Harbour 



Greatest difference 



52.65 



53.24 



.59 



52.79 



(52.90) 

 52.68 



(52.83) 



52.76 

 52.82 

 52.76 



52.93 

 53.02 



53.10 

 53.33 



53.34 



.66 



52.83 



52.85 



(52.81) 



53.00 



(53.04) 



52.86 

 52.75 

 52.91 

 52.74 

 52.95 

 52.82 



53.07 

 53.11 

 53.19 

 53.40 



53.25 



.66 



52.78 

 52.74 



(52.85) 

 52.85 



(52.76) 



(53.19) 



52.90 

 52. SS 

 52.95 

 53.00 

 52.94 

 53.04 



53-04 



53.23 

 53.28 

 53.14 

 53.24 



.54 



52.85 

 52.80 



(52.75) 



(52.71) 



(53.05) 



52.84 

 52.96 

 53.00 

 53.02 

 52.91 

 52.85 



53.22 

 53.19 



53.07 



.51 



52.74 

 52.91 



52.83 

 (52.58) 



52.87 



52.74 

 (52.71) 

 (52.77) 



52.81 



52.76 

 52.74 

 52.78 



52.84 

 52.93 



53.04 

 53.01 

 53.14 



.66 



52.94 

 52.86 



52.96 



53.18 



(52.98) 



52.87 



52.86 



53.15 

 53.23 

 53.37 



53.17 



.51 



0.16 

 0.17 



0.42 

 0.31 

 0.03 

 0.42 



0.25 

 0.22 

 0.24 

 0.28 

 0.11 

 0.22 



0.11 

 0.12 

 0.36 

 0.33 

 0.03 

 0.10 



l/ Based on data given by Tester 1937, Table 3. Values in brackets based on samples 

 of gill-netted fish, all others caught by purse seine. 



All mean values are based on 25 or more individuals and over half of values are 

 based on 100 or inore counts. 



53 



