of the Fishery Board for Scotland. 



315 









a 



.5 



nee. 



Average Size. 





Probable 

 Age. 



Place and Date. 



Depth. 



Series. 



Numb* 



Range 

 Size. 



Differe 



Modal. 



Mean. 



Arith- 

 metic. 



Inches. 



"St 

 o 



Firth of Forth — con. 



Fms. 







Mm. 



Mm. 



Mm. 



Mm. 



Mm. 







Mths. 



28th May 1901 . 



• a 





31 



17-24 



7 



20 



20-5 



20-4 



H 



s 



2.1 



23rd July, 1901 . 







8 



109-137 



28 





123 



125-4 









4th Sept. 1901 . 







48 



6-13 



7 



10 



9 



9 7 



3 



A 





(Isle of May.) 























Years 



16th Feb. 1904, <j> 





VI. 



215 



225-250 

 (265) 



25 

 (40) 



244 



237 5 

 (245) 



239 9 



9£ 



s 



5 







VI. 



256 



218-250 



32 



237 



234 



236 7 



9A 



s 



5 







VI. 



471 



218-250 



32 



238 



237 5 



237-7 



9| 



s 



5 



o 





VII. 



248 



251-281 

 (240) 



30 

 (42) 



257 



266 

 (261) 



262-1 





s 



6 







VII. 



282 



251-281 



30 



257 



266 0 



261-0 



ioa 



s 



6 







VII. 



530 



251-282 



31 



257 



266 



2615 



10 & 



s 



6 



Q 

 + 







10 



283-305 



22 





















12 



283-304 



21 





















22 



283-305 



22 















15th March, . . 





VI. 







256 



211-244 

 (254) 



33 

 (48) 



235 



227-5 

 (232 5) 



232-8 



9ft 



s 



5 







VI. 



319 



211-244 





235 



227-5 



232-2 



Q 9. 



s 



5 







VI. 



575 



211-244 



33 



235 



227-5 



232-5 



9f\ 



s 



5 



2 





VII. 



252 



245-277 

 (235) 



32 

 (42) 



250 



261 

 (256) 



254-1 



10 



s 



6 



<$ 





VII. 



317 



245-277 



32 



250 



261 



252-7 



10 



s 



6 









569 



245-277 



32 



250 



261 



253-5 



10 



s 



6 



2 





VIII. 



4 



281-288 













s 





8 







5 



278-304 













s 





2 







2 



324, 325 













s 





S=Spring. A=Autumn. 



The smaller groups in the collection are as follows, those from Aberdeen 

 Bay being first considered : — 



On 21st and 22nd August, 10 miles off Aberdeen, at the "Doghole," 

 22 small clupeoids were obtained in the tow-net, which may be referred 

 to the autumn spawning. They measured from 8mm. to 11mm., the 

 average being about T 5 ^ of an inch. 



About a month later, on 18th and 20th September, 194 were taken in 

 shallow water (up to 3 fathoms) in Aberdeen Bay. They measured from 

 21mm. to 44mm. (J-lf inches), the size of greatest frequency (modal 

 size) being 33mm., or 1 T 5 ^ of an inch, and the arithmetic average 



