of the Fishery Board for Scotland. 



21 



The testis is very similar. Old sperm can be washed out of the testis, 

 leaving an open honeycomb, sponge structure. Some of the testes*had 

 shrunk to a breadth of 2*5 and 3 mm. 



Herrings from Clyde and West Coast. 



Length. 



.Range or 



"ITT ' „1 J 



W eight. 



Weight of 

 Reproductive 

 Organs. 



Breadth of 

 Reproductive 

 Organs. 



Diameter or 

 the Eggs. 



cm. 



grammes. 



grammes. 



mm. 



mm. 



19 



44 



3 





20 



56 



•i 



2-5,3 



•17 



21 



54-67 





2-5-7 



•15 



22 



62-84 



<i 



2-5-7 



•1--4 



23 



71-99 



<2-20 



3-21 



•1--35, 1-2 



24 



81-110 



1-18 



3-22 



•1--3, 1-2 



25 



89-128 



1-8-23 



9-26 



•12 3 -15, 1-1 



26 



100-137 • 



<1-14 



8-17 



•15, 1'2 



27 



103-163 



11-28 



11, 19 



1-1, 1-2 



28 



111-176 



16,22 





1-1, 1-2 



29 



143-189 







30 



171-191 









33 



194 









April. 



Clyde. — Campbeltown, off Macrinnan's Point, 3rd April 1906: — 1 W. 

 Spr. $, 20 cm. : partly spawned ; 85 W. Spt., 21 to 28 cm. : eggs, -05, 

 •1 mm. : o, 10, 15 mm. : t, 8-14 mm. : fat, none. There was food (cope- 

 pods) in many stomachs ; some were empty. 



Clyde. — Campbeltown, off Macrinnan's Point, 21st April 1908: — 2 

 Imm. <$, 22, 24 cm, : t, very small : fat, great quantity; 77 W. Spt., 19 to 



28 cm. : fat, none, some. The stomachs were empty. 



Clyde.— Campbeltown, off Isle of Ross, 8th April 1908 :— 74 W. Spt., 

 22 to 28 cm. : fat, none. The stomachs were empty. 



Clyde.— Campbeltown, Machrie Bay, 9th April 1907 :— 100 W. Spt., 

 0, 4-13 mm. : t, 3-13 mm. : fat, none. Traces of food were present in the 

 stomachs. 



Clyde. — Kilbrennan Sound, 1 mile N. of Skipness, 10th April 1908 : — 

 1 Imm. $, 20 cm.: o, small: fat, great quantity; 110 W. Spt., 19 to 

 27 cm. : o, small : t, small : fat, none, some. Food was noticed in some 

 cases ; it consisted of copepods and schizopods. 



Clyde.— Loch Fyne, near Crossaig, 29th April 1905:— 88 W. Spt., 22 

 to 28 cm.: eggs, -1--17: fat, none, some. Some of the spents are 

 beginning to lay up abdominal fat. The stomachs were large and full of 

 copepods. 



Clyde.— Loch Fyne, Tarbert, 22nd April 1905 :— 9 W. Spt., 21 to 

 25 cm. : t, 3 mm. : fat, none. 



Clyde.— Loch Fyne, Tarbert, 27th April 1905:— 19 Imm., 17 to 21 cm.: 

 eggs, -1--25: o, 2-4 mm.: t, 2-4 mm.; 2 S. Spr. tf, 18, 19 cm.: t, 

 5 mm. ; 3 W. Spt., 19, 21 cm. : eggs, -1 mm. : o, 6 mm. : t, 4, 5 mm. 



Clyde.— Loch Fyne, Ardrishaig, 4th April 1905: -2 W. Spr. F., 27, 



29 cm. (one partly spawned) : fat, none ; 6 W. Spt., 21 to 29 cm.: fat, 



