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Part III. — Twentieth Annual Report 

 Series TI. to Series III. 



In most of the cases the numbers caught are not very large. In 

 Aberdeen Bay none were caught in the latter part of the year, but the 

 growth from Series II. in December to Series III. in May (160 days) 

 amounted to about 23-7 mm., or \^ of an inch. In the interval of 

 fourteen days, from 30th May to 13th June, S'O mm. was added, and in 

 the 62 days to 31st July 25-5 mm., or 1 inch. The increase from 

 December to July was thus about 54 mm. (2^ inches). 



In the deeper water off Aberdeen the apparent increase from 28th June 

 to 30th July was 26 mm., or 1 inch ; other 8 mm. were added from that 

 date to 13th August, and the apparent whole increase from the end of 

 June to 16th December was 64-2 mm. 



The mean size of the whitings in Aberdeen Bay which had just entered 

 upon their third year (in May) was about 10;^ inches. 



In the deep water ofl'Kinnaird Head 110 whitings of this series were 

 taken on 4tb July. They ranged from 238 to 328 mm., and had an 



