K. Selander, 1954 C. nigricaudatus 50 Rancho of El Presidente NW Tonalá, Chiapas April 6 Heard chiapensis in large mango trees around the ranch house. We then walked toward and into the foothills which are just "back" of Tonalá. As you enter these foothills the large mango & other trees drop out and there is a low forest of clocidunus trees and shrubs, most of them without leaves at the present time. Along the few small streams, however, there are larger trees forming narrow stands of vegetation similar to that SSW of Tonalá. 100-200 feet up the vegetation fairly uniform — a thick stand & bull horn acacia, another acacia, and several bushes with many small branches coming up from the base at ground level. There are a few to 10 pinto trees in the gulley's and a few thinly leaved trees of small size. We heard no wrens — noted ground pigeon (L. verrauxi), Calocitta formosa. This low deciduous forest extends to the limits of the city and in combination with city I cannot see how we can expect to find small wrens around Tonalá. Probably too close proximity of chiapensis to the foothills is a barrier to brunilis so that only an occasional bird filters through to make contact with nigricaudatus in the Ovilapa valley. Bonifacio identified the following trees in the deciduous forest — totopote (afew), canelo (a large tree without leaves) and palo de ole. The forest is 10-15 feet high in most areas, Took several shots of the forest on Roll No. 899