1905  An ample supper of splendid rainbow-trout witnessed to a part of the afternoon's occupation.
1907  The feeding-grounds of the rainbow are the eddies and the back-washes in swift-running rivers. . . .
1966  . . . here live some of the largest rainbow trout in the world . . . along with the kokanee on which the rainbows feed themselves to their fine, fat, fit condition.