88 University of California Publications in Zoology [ Vou. 14 
been obtained (or computed) from Knudsen’s ‘‘ Hydrographic 
Tables.”’ 
TABLE 23 
SALINITY AND SPECIFIC GRAVITY OF SEA WATER AND BRACKISH WATER 
(Based upon Knudsen’s Hydrographic Tables) 
Specific gravity Specific gravity 
at0°O (32°F) ati15°C (59° F) 
referred to referred to 
Salinity distilled water distilled water 
(per 1000) at 4° C at 4° C 
5 1.003897 1.00801 
6 1.00478 1.00378 
7 1.00559 1.00455 
8 1.00639 1.00531 
9 1.00721 1.00608 
10 1.00801 1.00684 
11 1.00882 1.00761 
12 1.00962 1.00837 
13 1.01043 1.00914 
14 1.01124 1.00991 
15 1.01204 1.01067 
16 1.01285 1.01144 
17 1.01365 1.01220 
18 1.01445 1.01296 
19 1.01526 1.01373 
20 1.01606 1.01449 
21 1.01687 1.01526 
22 1.01767 1.01602 
23 1.01847 1.01678 
24 1.01928 1.01756 
25 1.02008 1.01832 
26 1.02089 1.01909 
27 1.02169 1.01985 
28 1.02249 1.02061 
29 1.02330 1.021389 
30 1.02410 1.02215 
31 1.02491 1.02292 
32 1.02571 1.02368 
33 1.02651 1.02445 
34 1.02732 1.02522 
35 1.02813 1.02599 
36 1.02894 1.02676 
