of the Fishery Board for Scotland. 



199 



(a) Percentages. 

 Water. Total Proteid. Coagulable Proteid. Fat. 



60-83 19-21 16-26 14-68 



(b) Per average fish (muscles). 

 Total Proteid. Coagulable Proteid. Fat. 

 22-28 18-86 17 02 



As the muscles of the male fish were richer in fat than those of the 

 females, the analyses are also given. 



Males ( Bressay Herring ) — Measurements. 



Length. 



Girth. 



Weight. 



Weight of Testes. 



26 



13 



142 



23-0 



28 



14 



205 



17-2 



26 



14 



181 



22-5 



27 



13 



147 



51 



25 



14 



142 



21-7 



26 



14 



184 



19-1 



Avg. 26-3 



13-6 



167 



18-1 



(a) Percentages. 

 Water. Total Proteid. Coagulable Proteid. Fat. 



57-55 20-60 13 54 17 14 



(b) Per average fish. 



Total Proteid. Coagulable Proteid. Fat. 

 22 94 15-08 19 09 



Lerwick, August 9, 1906. 



Three batches of herrings were sent on August 9, by Mr. R. Duthie, 

 classed respectively as " Fulls," " Matties," and " Spents." As there 

 were, however, differences in those sent as " Matties," these were sub- 

 divided into two sets. 



A. — Eight Large Full Herrings — Five Females. 



Females. 



Length. 



Girth. 



Weight. 



Weight of 

 Genitals. 



Diameter of 

 Ova. 



31 



15-5 



245 



60-4 



•9 



30 



15-5 



241 



51-8 



10 



30 



14 



212 



338 



•9 



31 



15 



247 



56-5 



•9 



32 



16 



282 



51-8 



•8 



Avg. 30-8 



15-2 



245-4 



50-8 



•9 



