This section is from the book "The National Cook Book", by A Lady Of Philadelphia. Also available from Amazon: I Know How to Cook.
Fish should always be perfectly fresh when cooked. To select fresh ones observe the eyes; if they have a bright life-like appearance the fish is fresh; if, on the contrary, the eyes are sunken and dark colored, and have lost their brilliancy, they are certainly stale. Some judge by the redness of the gills, but they are sometimes colored to deceive customers.
Crabs should be of a dark green color, and when fresh from the water, are always very lively, the same remarks hold good with regard to lobsters. If the tail of the lobster will return to its former position when pulled out, the lobster is fresh.
Never buy a clam or oyster if the shells are parted. If the valves are tightly closed the oyster is fresh.
Cut it in slices about a quarter of an inch thick; wash and dry them, season with cayenne pepper and salt; have ready a pan of hot lard and fry your fish in it till of a delicate brown on both sides.
Some dip the cutlets in beaten egg and then in bread crumbs and fry it. When done in this manner it should be cut rather thinner than according to the first method.
Or, heat your gridiron, grease the bars, season your fish with cayenne pepper and salt, and broil it till of a fine brown color. Lay it on a dish and butter it.
Cut each fish in two parts, down the back and stomach; take out the upper part of the back bone next the head; wash and wipe them dry, season with cayenne pepper and salt, and dredge flour over them; fry them in hot lard of a nice light brown.
Some dress them like oysters; they are then dipped in beaten egg and bread crumbs and fried in hot lard. They are very nice dipped in beaten egg. without the crumbs, and fried.
Clean your herring, wash them well and wipe them dry; then rub each one with salt and cayenne pepper; place in your jar a layer of herring, then some grains, of allspice, half a dozen cloves, and two or three blades of mace; then put in another layer of herring, and so on till all are in; cover the herring with cold vinegar, tie up the jar closely with several thicknesses of paper, and set it in the oven after the bread has been drawn out; let it remain there all night. As soon as they become cold they will be fit for use.
 
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