POLAR COD. 
485 
Fig. 121. Comparison between the jaw-bones of a Gadus saida , 205 mm. long, from the White Sea (shaded in the figure) and of a specimen 
of equal size whose remains have been found in the Glacial clay at Lomma, near Lund (drawn in outline). Twice the natural size. 
Cf. 0. Torele, Undersokningar ofver istiden , III, Olivers. Vet.-Akad. Forh. 1887, No. 6, p. 429. 
A: right intermaxillary bone, B: right maxillary bone, C: right branch of the lower jaw. 
1 and 2 seen from the outside, 3 and 4 from the inside, 5 and 6 from above, 7 and 8 from below. 
very briefly to show the external proportions of the 1 ing proportions in the case of navaga which have just 
Polar Cocl, with especial reference to those correspond- been given. 
Average in 
Length of the body expressed in millimetres 
Length of the head . 
Longitudinal diameter of the eyes 
Least breadth of the interorbital space... ; 
Length of the snout... 
Distance between the tip of the snout and the hind extremity of the maxillary hones 
Length of the lower jaw 
„ „ „ head behind the eyes 
Distance between the first dorsal fin and the tip of the snout 
,, ,, „ second ,, „ ,, „ „ ,, „ ,, 
„ ,, „ third ,, „ „ ,, „ „ ,, , „ 
„ ., „ first anal „ „ ,, ,, ,, „ ,, 
Length of the base of the first dorsal fin 
,, „ ,, second „ „ 
„ ,, ,, third „ „ 
., „ „ first anal „ 
„ „ „ second „ ,, 
longest ray of the first dorsal fin 
,, „ „ ,, second „ „ 
„ „ „ „ third „ ,, 
„ „ „ „ first anal „ 
„ „ „ „ second „ „ 
pectoral fins 
ventral ,, 
middle rays of the caudal fin 
Distance between the insertion of the ventral fins and the beginning of the first anal fin. 
Greatest depth of the body 
Least „ „ „ tail 
Greatest breadth of the body 
... in % of 
G adlib 
saida 
3 specimens. 
4 specimens. 
120 
197 
of the 
body 
2G.i 
24.6 
„ » 
7.2 
G.i 
,, „ 
„ 
(3.4 
6.o 
„ „ 
7.4 
7.i 
?? 11 
,, 
11.5 
11.3 
,, „ 
„ 
13.6 
13.i 
„ „ 
„ 
11.6 
11.7 
,, ,, 
30.9 
30. o 
„ „ 
„ 
45.9 
45.7 
„ „ 
„ 
64.6 
65.o 
„ iS 
„ 
45.7 
47.3 
11 
„ 
11.3 
11.5 
11 11 
16.o 
15.4 
11 11 
„ 
16.5 
15.9 
11 11 
„ 
16.9 
17.8 
11 11 
,, 
17.5 
15.4 
11 11 
„ 
13.5 
13.9 
11 11 
12.2 
11.3 
11 11 
,, 
10.1 
9.8 
11 11 
,, 
10. s 
10. o 
11 11 
10.i 
8.9 
11 11 
„ 
18.4 
18.o 
11 11 
„ 
17.5 
17.7 
11 11 
6.4 
6.i 
11 11 
„ 
22.4 
27.1 
„ ,, 
19 
16.6 
14.7 
,, ,, 
3.2 
3.3 
„ ,, 
„ 
12.3 
10.7 
