H.W. Grinnell - 1925 Mineral, 4800 ft July 13 July 13 Yesterday we left camp at 9:00 a.m. and went up the Broke-off trail to where Martin Creek issues from the rocks. On the way we visited the Sierra Hermit Thrush's nest found by J.G. on July seventh. It was empty and apparently deserted. At about the point where J.G. flushed a Sierra Grouse on the seventh we startled a brood of very young grouse less than a week old, I should say. We counted five before they disappeared into the brush on the left-hand side of the trail. We did not see the female, or hear her call until all the young had disappeared from view. Then we heard her clucking and calling and leading them further from the trail. Shortly afterward on that same muggy and slope Molly picked up several porcupine quills lying in the middle of the trail. In the afternoon as we came down the trail we startled a female Sierra Grouse from the trail