1. Cade 1958 24 July Falc peregrinus cont over the river; I saw the tiercel deliver one close pass and the dicky fell into the river. Then the falcon came in low over the water making two passes and picking up the bird in her talons on the second try. Alvie on a small ledge on outcrop of sandstone just below brink of a brushy talus slope - quarry area around next ledge - accessible without rope, 200ft above river, ca 100 above coffee break where timber starts. 4 downies 2+ weeks old - primaries about 3" long. 4 e or present. While in the area a gyrf flew over and attacked the peregrines. (See under account of F. rusticolus) Later the → peregrine was collected, and two young were taken. Food remains: weakly identifiable items were wings of a black parantite jaeger, foot of a jackrabbit Lagopus sp., wing of northern phalarope and 5 wings of two sparrows. Alvie #7 - pair of adults were seen on the small outcrop on the left flank 6-7 miles above the last large bluff on the left. As we poised in the boat, we scaved up