5 
Sl 3 
~ es 
23 “2. 
En 
S33 oa 
hed a? TS ce 
2 Ea 
ao 
ee Sep 
= & : 
Ans BER 
599.2 
ES Ae 
sS Qo 
Een 
aprd a6 
2 Be 
5 
6 1.00478 
/ 1.00559 
8 1.00640 
9 1.00721 
10 1.00802 
12 1.00963 
20 1.01607 
32 1.02571 
55 1.02813 
38 1.03055 
Gadus morrhua L. 
„ ” 
„ ” 
„ „ 
„ ” 
” „ 
„ „ 
” „ 
„ „ 
” „ 
” ” 
0.318 
0.531 
0:659 
1.074 
1.739 
1.908 
2.078 
( 544 ) 
Po 
in atmo- 
spheres. 
22.9 
24.9 
Gulf of Bothnia in summer. 
) Surface water (till 60 M.) of the Baltic 
sea proper between Rügen and Gothland 
in summer. With 7.59/o) salt, M. and 
H. assume the limit between brackish 
and salt water. 
/ 
sea south of the Danish isles in 
Water of the shallow part of the Baltic 
| summer. 
The same in winter (Mogrprus and 
HEINcKE). 
Seawater in the fjord before Bergen, 
8 M. below the surface in summer. 
Northern Atlantic. 
A Seawater, Gulf of Naples, in Nov. 
1903, 2.105. 
a Seawater as it circulates in the tanks 
of the Amsterdam aquarium 2.085. 
Bony fishes living in the sea. 
Cod, 
A 
0.644 
0.673 
2 apparently normal spec. Aq. Amsterdam, 
Noy. 1904. 
1 spec. bought on Monday at Bergen, 
remnant of the fish supply of the end of 
the preceding week. 
8 spec. from Katw. immediately conveyed 
to Leyden. 
8 spec. id. 
” ” ” 
13 » 
(April 4 1900, an ample quantity of blood 
had been taken from 13 fine spec.). 
Bergen 1904, summer, 3 large spec. 
Leyden, as above. 
Bergen, , 5 2 spec. 
” ” ” 3 ” 
Leyden „ „ Gs 
” ” ” 8 „ 
