{5] CHEMICAL COMPOSITION AND VALUE OF FISH FOR Foop. 235 
No. XVI. Haddock (Melanogrammus aeglefinus). 
Price 8 cents per pound. One fish, with entrails removed, weighed 
1,900 grams=4 pounds 3 ounces. 
No. XVII. Salmon Trout, called also ‘“ Mackinaw Trout” (Salvelinus 
namaycush). 
Received November 7, 1879, from Mr. Blackford, Fulton Market, New 
York. In letter of November 6, Mr. Blackford describes the samples as 
follows: “‘Salmon trout (Christivomer namaycush) weighs 8 pounds 3 
ounces. Caught in Lake Ontario November 5. This is very plenty in 
market at this season of the year. You will probably find spawn in it.” 
The sample, a whole fish, weighed on receipt 3,630.4 grams=8 pounds, 
and had evidently shrunk slightly by loss of water and otherwise in 
coming. It contained considerable spawn, which, as in other cases, was 
rejected, with entrails, bone, skin, &c., in preparing for analysis. 
No. XVIII. White Fish (Coregonus clupeiformis). 
Received November 7, 1879, from Mr. Blackford, who says in accom- 
panying letter: ‘* White fish (Coregonus clupeiformis) weighs 2 pounds 
15 ounces, caught at Alburgh Springs, Vt, from Lake Champlain. Is 
the great food fish of the lakes, and is in its finest condition at the 
present season.” Total weight of one whole fish as received, 1,313 grams 
=2 pounds 14.3 ounces, showing, as usual, slight shrinkage in transport 
and handling. 
No. XIX. Striped Bass (Roccus lineatus). 
Received November 7, 1879, from Mr. Blackford, who described it as 
“Striped bass; weighs 2 pounds 9 ounces; caught at Bridgehampton, 
Long Island, November 5. They are very plenty at this season and in 
their best condition.” Total weight of one whole fish, 1,098.5 grams=2 
pounds 6.7 ounces. 
No. XX. Red Snapper (Lutjanus Blackfordit). 
+Sample received from Mr. Blackford November 28, 1879, “ caught in 
Fernandina, Fla.” Total weight of one whole fish, 3,507.5 grams=7 
pounds 15 ounces. 
No. XXI. Haddock (Melanogrammus eglefinus). 
' Sample received from Mr. Blackford November 28, 1879, “caught off 
Rockaway, Long Island.” Total weight of one fish from which entrails 
had been removed, 2,402 grams=5 pounds 4.7 ounces. 
No. XXII. Flounder (Paralichthys dentatus.) 
Sample received from Mr. Blackford March 9, 1880. “ The fish was 
caught at Amagansett, Long Island.” The sample was rather old, and 
the flesh very soft. It emitted some odor and assumed a pasty appear- 
ance in drying. It is worthy of note in this connection that the per- 
centage of “gelatin” in this sample is large. Total weight of one whole 
fish, 1,257.5 grams=2 pounds 12 ounces. 
No. XXIII. Smelt (Osmerus mordaz). 
Received March 9, 1880, from Mr. Blackford, from Hackensack River, 
