of the Fishery Board for Scotland. 205 



II. — Spent Herring (Lerwick), September 1, 1906. 



Length. 



Girth. 



Weight. 



Weight of Ovaries. 



Avg. 29 



13 



171 



These consisted only of col- 

 lapsed membranes contain- 

 ing large numbers of very 

 small ova. 



(a) Percentages. 



Water. Total Proteid. Coag. Proteid. Fat. 

 63-51 22-55 17-20 9 32 



(b) Per average fish. 



Total Proteid. Coag. Proteid. Fat. 

 25-70 19-60 10-62 



In order to be able readily to compare the composition of the muscular 

 tissue of the East Coast herrings in different stages of reproductive 

 activity, it is advisable to give a table which gives the collective results. 







AVERAGES. 



PERCENTAGES. 



Date. 



Place. 



Length. 



Girth. 



Weight. 



Weight of 

 Ovaries. 



Diam. of 

 Ova. 



Water. 



Total 

 Proteid. 



Coag'ble 

 Proteid. 



Fat 



July 7th, 1906, . . 



Fraserburgh 



26 



14-4 



178-6 



23-54 



6- -9 



65-24 



19-21 



165 



12-44 



July 10th, 1906, . . 



Bressay, 



273 



13-4 



174 



8'88 



•3-5 



60-83 



19-21 



16-2 



14-68 



Aug. 9th, 1906, . . 



Lerwick — 























A. "Fulls,".. 



30-8 



15-2 



245-4 



50-8 



•9--1 



65-25 



21-26 



16-37 



7-53 





B. " Matties," 



25 



13 



137 



15-5 



•7 



57-27 



21 -10 



16-90 



16-68 





Ba. "Matties," 



26 



12 



130 



1-3 



Spent, 

 but with 

 small ova. 



63-24 



21-67 





10-42 





O. "Spents," 



28-8 



13-4 



159-6 



2-02 



Spent. 



67-29 



19-82 



16-00 



8-19 





Kinnaird Head— 





















Aug. 9th, 1906, . . 



I. "Fulls," ..* .. 



29-1 



15-1 



223-3 



466 



•8--1 



64-84 



20-28 



13-28 



9-06 





II. " Spents," 



29 



12-2 



149-8 



2-02 



Spent. 



65-09 



19-90 



12-66 



6-15 





III. "Matt. Fulls,".. 



25-2 



13-3 



150-8 



23-04 



•9--1 



57 29 



23 81 



17-31 



15-13 





IV. "Matties," 



23-7 



11-2 



108 



3-6 



•1--7 



5572 



21-16 



16-92 



15-50 



Sept. 1st, 1906, . . 



Lerwick — 























I. "Fulls," 



29-5 



15 



240 



50 



1-2 



60-23 



20-72 



16-92 



12-44 





II. "Spents," 



29 



13 



171 



Spent 



Spent 



63-51 



22-55 



17-20 



9 32 



One may shortly summarise the results of these analyses of autumn 

 East Coast herrings as follows. The analyses in the table refer solely to 

 the flesh (muscles) of female herrings, 

 o 



