Boell 1964 Lago Sa Lajas, Rio Santa Clara EL4900ft. Chihuahua Mex. Nov 23 continued. western or least Sandpiper - 30 mourning dove - 50 Inca dove - 15 Roadrunner - 2 Barn Swallows - 6 P.S. Zilker - 2 Curve-billed thrasher - 6 Cenizora Warbler - 8 Boat-tailed grackle - flock of 12 Red-baked junco - 20 Brown towhee - 8 white Cr. Sparrow- 12 Chipping Sparrow - 2 - Kingfisher - 1 Black Phoebe - 6 Sinnnet - 20 Cactus wren - 50-more numerous than I have ever observed before of special intent is their presence among logs and drift wood along the lake shore, in one case I counted ten around one group of logs. They are now concentrated along the edge of the lake than among the cholla.