of the Fishery Board for Scotland. 97 
“ 
73 pairs of spent ovaries were taken from herrings sent at this time, 
aud were found to weigh 9°51 grammes. 
I.—Muscles. 
(a) In percentages. 
Water. Proteid. 
78:97 18:05 
(b) Per average fish. 
Proteid. 
16-60 
II. —Ovaries (spent). 
(a) In percentages. 
Water. Proteid. 
82:07 3°78 
(6) Per average fish. 
Proteid. 
“29 
These were dried and analysed. 
Fat. P.O, 
0°68 a 
Fat. P.O; 
0°62 0°66 
Fat. EO; 
11°83 ‘91 
Fat. P,O; 
‘09 016 
Before discussing these results it will prove of some advantage to com- 
pare the ratios which exist between the weight of the fish and the weight 
of the ovaries, as well as certain other ratios. 
Ratio oF Wericat or FisH to WsIGHT OF OVARIES AT 
DIFFERENT SEASONS :-— 
Weight | Weight | 
District and Period. of Condition. 
Fish. | Ovaries. | | 
Loch Fyne—May 10, _ . . | 484°6 1 Immature. 
or May 11—Series A, . | 801°6 1 | Immature. 
o May 11—Series B,_ . 67] 1 Mature. 
x July 29, . : . | 224-2 1 | Immature. 
53 Sept. 15, . : . | 84:2 1 | Immature (Ova ‘15-45mm.). | 
5 Oct.—Series A, . | GOR? 1 | Immature (Ova ‘28mm.),. 
i5 Oct.—Series B, . ah Abts: 1 | Immature (Ova *59mm.). 
Nov. 6, 3 ; Sh SO 1 | Almost mature (Ova ‘8-1mm.). | 
Helmsdale—Dec. 6, : | 6°3 1 Almost mature (Ova ‘8-1‘2mm.). 
Loch Fyne—Dec. 13, . Sale Orc 1 Mature (Ova °9-1-2mm.). 
Lochboisdale—Dec. 28— Series A, Nab 1 Spawning. 
a Dec. 28— Series B, . | Spent. | Spent. | Spent. | 
a Feb. 8, ; 5 3 Spent. | 
| 
Ratio oF PrRoTEip To Fat IN THE MUSCLES AND OVARIBS RESPECTIVELY :— 
District and Period. Muscles. 
Ovaries. 
Condition. 
Proteid : Fat.|Proteid : Fat, 
Loch Fyne—May 10, 2°61 : 1 
ae May 11—A, 3:00 : 1 
55 May 11—B, 5°84 : 1 
S July 29, . AS eri 
AC Sept. 15, . Ie i 9B al 
> Oct.—A, . 0°89 : 1 
Oct.—B, . Ly at 
INOV..65..7. 183: 1 
Heedale— eo, 6, 8:36 : 1 
Loch Fyne—Dec. 138, . oleae 
Lochboisdale—Dec. 28—A,. S36r sod 
= Dec. 28—B, 5 eae a 
Ps Feb. 8, . . | 26°64: 1 
eons 
= | BO w~Imocnen! | | 
ow 2 Co mworkoanr 
tbo 
— | Immature. 
— | Immature. 
Mature. 
Immature. 
Immature (Ova ‘15-"45mm.). 
Immature (Ova ‘28mm. ). 
Immature (Ova ‘59mm. ). 
Almost mature (Ova ‘8-lmm.). 
Almost mature (probably 
about to spawn). 
Mature (about to spawn). 
Spawning. 
Spent. 
Spent. 
fe | 
G 
