CHEMICAL COMPOSITION OF FOOD-FISHES. 
720 
Table 4. — Composition of water-free substance of flesh of American specimens of preserved 
fish . 
Kind of fish. 
Laboratory No. of 
specimen. 
Nitrogen. 
I 
j Protein, N. \ 6.25. 
. Fats. Ether ex- 
tract. 
a ~ 
§ be 
©.H 
a 
5 
»•* 
1 a 5 
! 2 + 
u 
i 1-1 
v © 
«o ? 
.a ©i 
©,© 
a <n 
Dried. 
Desiccated cod, “evaporated fish” (Gadus morrhua) . . 
79 
i Perct. 
14. 72 
Perct. 
92. 00 
Per ct. 
2. 24 
: Per ct. 
9. 78 
Per ct. 
104. 02 
Perct. 
87.98 
Salted. 
Mackerel (Scomber scombrus) 
42 
5.85 
36.56 
39. 08 
22. 76 
; 98.40 
38. 16 
Salted and Dried. 
Cod (Gadus morrhua) 
34 
8. 58 
53. 63 
0.53 
53.82 
107.98 ! 
' 45.65 
Do 
37 
8.91 
55. 69 
0. 94 
52.43 
109. 06 
46. 63 
Cod, boned (Gadus morrhua) 
25 
9. 20 
57. 50 
0.71 
50. 72 
108.93 
48.57 
Desiccated cod, boned and ground (Gadus morrhua) .. 
80 
13. 04 
81.50 
5. 54 
13. 40 
100. 44 
81.06 
Salted, Smoked, and Dried. 
Haddock (Gadus aeglefinus) 
8^ 
13. 58 
84. 88 
0. 62 
13.10 
98. 60 
86. 28 
Halibut (Hippoglossus hoppoglossus) 
28 
6. 04 
37. 75 
31. 90 
31.01 
100. 66 
37. 09 
Do 
218 
7. 04 
44.00 
27. 61 
28. 42 
100. 03 
43. 97 
Herring (Clupea hareDgus) 
33 
9. 03 
56. 44 
24. 18 
20.15 
100. 77 
55. 67 
Canned. 
Mackerel (Scomber scombrus) 
94 
9. 87 
61. 68 
27.28 
10. 17 
99. 13 
62. 55 
Salmon (Oncorhynchus chouicha) 
29 
9. 87 
61.69 
32. 40 
5. 24 
99. 33 
62. 36 
Do 
96 
8.48 
53. 00 
38. 55 
9. 34 
100. 89 
52. 11 
Do 
241 
7. 34 
45.88 
50. 62 
4. 15 
100.65 
45. 23 
Sardines (Clupea pilchardusp 
Tunny, “ horse mackerel” (Orcynus secundi-dorsalis} 
87 
9.12 
57. 00 
29. 14 
12.85 
98.99 
58.01 
240 
12.72 
79. 50 
14. 84 
6. 19 
100.53 
78.97 
Salt mackeiel (Scomber scombrus) 
95 
4. 68 
29. 25 
49. 22 
21.09 
99. 56 
29. 69 
Do 
219 
5. 08 
31. 75 
44. 05 
24.53 
100. 33 
31. 42 
Smoked haddock (Gadus aeglefinus) 
275 
11.40 
71. 25 
7.18 
23. 14 
101. 57 
69. 68 
* This specimen was said to he from Fi ance, and properly belongs with the European specimens 
beyond, but was analyzed and is inserted with the American specimens. 
