46 Part III. — Twenty-seventh Annual Report 



Among herrings of similar quality a longer herring does not always mean 

 a heavier herring. 



The breadth of the ovary is sometimes increased by the compression 

 exerted by the other abdominal organs, irrespective of increase due to 

 growth. 



November. 



Clyde.— Campbeltown, between Pladda and Sanda, 6th November 

 1907 :— 25 Aut. Spr. F. S-, 23 to 28 cm. : t, 21-26 mm. : fat, some, none ; 

 35 W. Spr., 23 to 29 cm. : eggs, •6--9 mm. : o, 13-24 mm. : t, 11-17 mm. : 

 fat, a large quantity, a little ; 1 Spent S, 25 cm. : t, 5 mm. : fat, large 

 quantity. The stomachs were empty. 



Clyde. — Campbeltown, 3 miles S.E. of Davaar I., 19th November 



1907 :_17 Aut. Spr. F., 25 to 29 cm, : eggs, 1-0 mm. : o, 20-24 mm. : t, 

 23-30 mm. : fat, none, some ; 33 W. Spr., 23 to 29 cm. : eggs, •6--9 mm. : 

 o, 11-25 mm. : t, 15-20 mm. : fat, none, a large quantity. They all had 

 very large stomachs full of copepods, and in one case of schizopods also. 



Clyde.— Campbeltown, 8 miles S.E. of Davaar I., 30th November 



1908 : — 15 Aut. Spr. F., 25 to 28 cm. : eggs, 1-0 mm. : o, 21, 25 mm. : 

 t, 22-27 mm. : fat, a little, none ; 35 W. Spr., 22 to 28 cm. : eggs, •4--9 

 mm. : o, 6-28 mm. : t, 10-18 mm. : fat, some, large quantity, none ; 10 

 S. Spt., 22 to 26 cm. : eggs, -12, -15, -25 mm. : o, 3-6 mm. : t, 2, 3-5 mm. : 

 fat, a large quantity, some. In all but seven cases the amount of food was 

 noted. They had all big stomachs full of copepods. 



Clyde. — Kilbrennan Sound, Carradale, 10th November 1908 : — 11 Aut. 

 Spr. F. S, 26 to 29 cm. : t, 22-37 mm. : fat, a large quantity, some ; 47 

 W. Spr., 24 to 29 cm. : eggs, •35-8 mm- : o, 10-21 mm. : t, 15-20 mm. : 

 fat, a large quantity, a little ; 1 S. Spt. $, 25 cm. ; eggs, -25 mm. : o, 5*5 

 mm. : fat, large quantity. Some had empty stomachs, while others had 

 copepods in the stomach. 



Clyde.— Off Largs, 19th November 1907 :— 57 Imm., 14 to 21 cm.: 

 eggs, •05-"l7 mm. : o, 1-3*5 mm. ; t, •5-2-5 mm. : fat, a large quantity, a 

 little; 1 Imm. dev. $, 19 cm.: eggs, -25 mm.: o, 2-5 mm.: fat, large 

 quantity; 34 W. Spr., 17 to 24 cm. : eggs, -3 to -8 mm. : o, 4-15 mm. : 

 t, 8-19 mm. : fat, a large quantity, a little ; 2 Aut. Spr. F. cT, 24, 25 cm. : 

 t, 25, 27 mm. ; fat, a little; 2 S. Spt. S, 21 cm. : t, 4, 6 mm. : fat, large 

 quantity. Some stomachs contained food ; others were empty. I regard 

 all the W. Spr. 17-25 cm. as immature developing, that is, preparing to 

 spawn for the first time. 



Clyde. — Upper Loch Fyne, Minard, 24th November 1905 : — 36 Aut. 

 Spr. F., 27 to 32 cm. : eggs, TO, 1^2 mm. ; o, 23-31 mm. : t, 27-40 mm. : 

 fat, not noted ; 2 W. Spr. S, 24, 27 cm. : fat, not noted. The stomach 

 was a thin-walled bag. In some cases the alimentary canal retained remains 

 of Crustacea, but in most cases it was empty. 



East Coast. — Moray Firth, 23rd November 1908 :— 5 Imm., 12 to 14 

 cm. : fat, great quantity. 



East Coast. — Yaimouth, 16th November 1908 : — 26 Aut. Spr., 22 to 

 27 cm. : eggs, TO, 1*9 mm. : o, 16 to 27 mm. : t, 22-30 mm. : fat, none, a 

 little ; 18 W. Spr., 22 to 29 cm. : eggs, -8, •% mm. : o, 15-25 mm. : t, 17-20 

 mm. ; fat, none, a trace. The stomach was empty, and in five cases dry. 

 In one specimen the gut also was dry. The herrings resemble those of 

 Loch Fyne. 



Summary [Clyde and East Coast). 



Imm. — 14 to 21 cm. : eggs, •05--17 mm. ; o, 1-3-5 mm,: t, -5-2-5 mm. 

 fftt, a large quantity, a little, 



