Birds of the Gomez Farias Region, Southwestern Tamaulipas

THE senior author first visited southwestern Tamaulipas in the spring of 1938 when, as a member of that year's John B. Semple Expedition, he participated in a cursory survey of the bird life of the Rancho Rinconada, a partly cultivated stretch of flood-plain on the east bank of the Rio Sabinas, not far from the hill village of Gomez Farias (see Sutton and Burleigh, 1959). So impressed was he with the tropical aspect of the region, so puzzled by the dissimilarities between it and that of Victoria, only fifty miles to the north, and so convinced that what he had seen was but a faint indi-