W. Reiner 1950 Journal 2 Apr. Mexico: Chiapas: 6 mi. SE San Cristobal, 7300 ft. grassy patch at section where the flow, perhaps a foot wide, traverses a grassy meadow-like area. There is also a section where it flows with a series of miniature waterfalls and rapids through a wooded area. Such areas are perhaps big enough to support special riparian species. Rana pipiens noted throughout stream length except in wooded area. Tadpoles present even here however. 3 Apr. Camp guard and cook today. In early morning shot a tanager and a flycatcher and a warbler in vicinity of camp. Put up speci- mens until late afternoon when I shot in camp vicinity a stellar jay and a another species of warbler. Also about midday caught a Cinneces in camp area. After dark returned to boggy portion of stream and by flashlight was able to find only Rana pipiens. In vicinity of spring however where trees are present I found more pipiens but also a Hyla. Took sample of tadpoles present in spring. Weather today clear, warm and sunny. Gusts of wind occasionally. Evening clear starry and cold. 4 Apr. Weather: warm, sunny. Returned in morn- ing to cut-over area to obtain photos of