of the Fishery Board for Scotland. 



105 



Analyses of the muscles of these herring : — 



(a) Amounts stated in percentages of fresh material. 



Water. Proteid. Fat. 



74-88 18-76 2-65 



(b) Grammes in total muscles of the average fish of the series. 



Proteid. Fat. 

 14-63 2-06 



May 23, 1906 (Loch Fyne). 



The herrings sent on this date varied in character. Some were 

 undoubtedly spent herring, although large numbers of young ova were to 

 be found in the ovaries ; others were as certainly young immature 

 herring. Thus a subdivision has been made into two classes. 



Series A. 



Length. 



Girth. 



Weight. 



Genitals. 



Cm. 



Cm. 



Gm. 



Spent and re-matu ring- 



28 



125 



159 



ovaries (ova -08 - 



27 



12-5 



160 



2mm.) ; weight of 



26 



12 



125 



ovaries from four fish, 



25 



12 



122 



4-15gm. 



Avg. 26-5cm. 



12cm. 



141-5gm. 





Series B. 



Length. 



Girth. 



Weight. 



Genitals. 



Cm. 



Cm. 



Gm. 





235 



11-5 



104 



Very small immature 



23 



10-5 



89 



ovaries (ova "06 - 



22 



11 



89 



1mm.) ; weight of 



23 



11 



97 



ovaries of eight fish, 



22-5 



11-5 



95 



2-15gm. 



22 



11-5 



91 



20 



11 



94 





21 



10 



94 



• 



Avg. 22cm. 



11cm. 



94gm. 





Analyses of the muscles of these herrings : — 



In the case of these fish additional analyses were made in order to 

 determine the amount of coagulable proteid present. Throughout this 



