Hanken, James 1978 Journal Restaurant limite, Ixtlan de Juarez, Est. Oaxaca, Mexico 28 June A wander in el Cerro Cotton scrubby and verie with scattered low pines, madrone, and other sclerophyllous plants. The second locality pushes the range of T. pulmonis further up the mountain (apparently T. nanovalis). At the second locality we collected an additional 3 skins each of Thamnophilus. Continuing on to Ixtlan it was apparent that a rain shadow effect was apparent on the NE side of C. San Felipe as at 2200 m there were already few pines, and almost chaparral like vegetation: a good barrier bet/ big sp. on C. San Felipe and those on C. below. mi o locality elev.(m) jet 175+190 1600 - adjusted to this 7.5 El Estudiante 2050 12.9 La Cumbre 2740 16.5 Loma Grande 2510 17.8 El Punto 2400 19.5 Las Animas 2410 20.3 El Cerezal 2360 31.7 river below Guelatao 1570 33.7 Guelatao 1800 35.5 Ixtlan de Juarez 2020