Pfeiffer 1943 Dendroica auduboni June 16-18 Amis E Hayfork, 2100 ft., Trinity Co., Calif. Common in open, tall stands of mixed pine and oak throughout the areas examined in the vicinity of Camp. On the 16th, an adult male was observed foraging near camp and carrying food to two young out of the nest. On the 17th, a female with one fledgling was noted about Camp. June 19 Hayfork Baldy, Trinity Co., Calif. Noted in mixed deciduous - coniferous forest or pure coniferous forest at all elevations (3200 - 6200 ft.). June 20 Amis E Hayfork, 2400 ft., Trinity Co., Calif. Female with several fledglings was taken for the purpose of observing the condition of the ovary as regards the possi- bility of a second brood. The largest ovum was only about 1/2 mm. in diameter. This particular female, at least, was not prepared for a second brood. The males have not been singing as regularly nor do they seem to have been stationed as definitely as male Black-throated Gray Warblers.