Having for thirty years practised the art of angling, -fishing for whole seasons through, when the wea ther permitted, particularly for trout and greyling, in all sorts of waters, — I have acquired a consi derable knowledge of the art. Being also in the habit of making rods, and spinning lines with fine gut twisted amongst the hairs, and of supplying gentlemen regularly with ?ies, my friends have, for some time, urged me to publish a treatise on angling, comprising a proper description of feathers for making artificial ?ies, particularly from what part of the birds they are obtained, which, although of great importance, is left out by most authors.