CA.V.1D7.4A' FISHERIES EXPEDITION, 1914-15 



171 



Fig. 



Curves showing growth of Hening in 1915c The numbers 

 incUcate the length in centimetres. 



• 



'Noie (December 6, 1916) • — A continuation of the investigations during this year 

 has given results which agree well with those of last year. This last season differed 

 from that of 1915 in that the '' sardines " as a whole were small. This was due to 

 the practical disappearance of the A group by the end of July, the B and C groups 

 then in turn predominating. The A group was not as homogeneous as in 1915, con- 

 sisting of varying proportions of its elements (B and C of the preceding year). It 

 could therefore not be traced with any certainty. 



The B gi'oup appeared at the end of May with an average length of about 10 cm. 

 It was, however, mixed with larger fish until July and could be followed with difficulty. 

 After August few were obtained. By October it had reached a length of 15 cm. 



The C group was first obtained on July 8, with a leng-th of 7 cm. By September 

 it had become the dominant group and has remained so. During September, October 

 and Xovember it has continued to grow in length, increasing from 10-5 cm. (Septem- 

 ber G) to 13 cm. (November 24). The growth was not, however, as rapid as during 

 July and August. 



6551 — 15A 



