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 
(6) Grammes in tots] 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-maturing 
28 12°5 159 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‘5em. 
Serizs B 
| | 
Length. | Girth. Weight. | Genitals, 
| 
Le LS | ees a 2 Silas ieee 
Cm. | Cm. Gin. 
23°5 11:5 104 | Very small immature 
, 23 | 10°5 89 ovaries (ova ‘06- 
22 i 89 Imm.); weight of 
23 11 97 | ovaries of eight fish, 
225 11° 95  215em. 
22 11:5 91 | 
20 1] 94 
21 10 94 | 
Avg. 22cm llem 940m | 
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 
