Erichson 1934 Toxostoma same manner, as I came nearer first one then the other moved ran down incline of bank; flew across a two foot gully and disappeared in brush of opposite side. Examination of ground where birds were probing showed numerous holes made by them; most 1 inch long and a half inch in diameter, some slightly wider and 2-2\frac{1}{2} inches deep; small amount of fresh dirt near; each hole goes into ground at slight angle. Such probings about 6 inches apart on average rarely farther apart than two feet; followed route taken by pair for 50 ft. by means of their probings which were in open ground between scattered bushes of region. Bates Well. Feb. 3, 1934 Thrashers have been heard frequently during days at Well, but as usual elusive; much more common in thickets near wash, but a few heard in trees on mesa. 1 mi. east of Bofago Well, Pima Co., Ariz. Feb. 6, 1934. Probings similar to those seen at Bates Well common in fine soil around creosote bushes; but only one bird that might possibly have been a Thrasher seen, and one doubtful in song in distance. 6 mi. west of Sela Bend, 728 ft. Maricopa Co., Ariz. Feb. 7, 1934 Individual heard singing from fence post along railroad, burst by and extending above post; bird flew