Befo 1933 Mad River ford, 2700 ft., above Ruth, Trinity Co., California. May 22 Dr. Shinnell ran the trap line this morning and after that we went out together on the morning hunt following west along the river working the open flats between the river and the hills. This open flat floor of the valley represents old river bottom. Its width comes from 100 yards near camp to 1/4 mile farther down the river. Close to the stream are clumps of cottonwoods - (Populus trichocarpa) - and some willows. Scattered about are single bushes and clumps of manzanita and deer brush (Ceanothus cuneatus). Sometimes these two bushes occur side by side. Yellow pine and Douglas Spruce are to be found near the foothills. The cottonwoods are full of warblers of several kinds - Audubon, yellow, [illegible] celebrated in great numbers. On the river edges and immediate sand bar are spotted Sandpipers and Killdeer. Calliope Hummingbirds have established their territories in clumps of manzanita and ceanothus bushes the preferred places being where current bushes are present. In one such territory Dr. Shinnell shot the 5 the other day and this morning another