Mt. Cacayualique Nov, 21,-Dec., 23, 1926 Harvest mouse young to take care of themselves. Nos. 1090♂ & 1090H were found by me in deserted birds nest high upon the mountain side near the Sonoran zone. The nest was found in dense tangled brush at the edge of newly cleared ground for coffee. I poked a stick into the nest and the two ran out together on the small twigs where I shot them with a shot pistol. As for stomach contents my notes record seeds, brown pulp, —, empty, white starchy [illegible] substance, empty,—,—,—,-.