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.58 THE CONDOR Vol. XIV neve? be quite sure he is on the right one. Into this tangled wildwood we drove some four miles from the village. Then leaving our vehicle, we began to work across the forest, being careful to work back in the direction we had come from so as to have our auto tracks to follow when we were ready to return. Least Vireo (Vireo belli pusillus), Arizona Pyrrhuloxia ( Pyrrhuloxia si, u- ata), Western Mockingbird (Mintus polyglottos leucopter,s). Bullock Oriole (Icterus bullocki), Lucy Warbler (.Fermivora luciae), Vermilion Flycatcher ( Pyrocephalus r. ntexicanus), Gambel Partridge ( Lophortya- gantbeli), Ver:liu ( Auriparus flaviceps), Abert Towhee ( Pipilo aberti), Long-tailed Chat ( Icteria virens longicauda) and Phainopepla (Phainopepla nitens) were present in swarms. White-winged Doves outnumbered any two of those mentioned. Mourning Dove, Mexican Ground Dove, Ash-throated Flycatcher, and Arizona Hooded Oriole were very numerous. Fig. 16. NEST OP PALMER THRASHER IN CHOLLA CACTUS Cooper Tanager (Piranga rubra cooperi) and Baird Wren (Thryontimes bewickii leucogaster) were also common and their .cheery songs were very much in evidence. Most of these species had young. Phainopeplas and Cooper Tanagers were building. The bird we were looking for was conspicuous by its absence. That was the Mexican Goshawk (Asturina plagiata). We walked miles back and forth but {lid not find a single set, and saw but one bird. A few Cooper Hawks (Accipiter cooperi) were seen, but none of their nests were found, either. No sets worth taking were found. Once, as I stooped under a bush, a little Mexican Ground Dove dropped at my feet and fluttered off. I looked back and there was one young one in a nest against which I had nearly butted my head. Numerous nests of young of the three doves mentioned were examined with the purpose of confirming an observation I had made as to the position of the young