Hanken, James 1975 Journal Mexico trip : Cd. Valles -> W of Xilitla 4 May 0800 hrs to continue W towards Rioverde where we (cont'd) turned S towards Jalpan the road again enters the Sierra Madre Oriental along a beautiful stretch of relatively untouched thorn forest/deciduous forest, especially where the road borders the deep canyon of the Rio Santamaria. At . (mi, W El Trapiche we stopped along a bald cypress (Taxodium) lined tributary of the Rio Santamaria. Several metamorphosing, recently metamorphosing, and tadpole Rana were collected by Allen + Sam. More Sceloporus viridilabi were seen. From here we continued S to Jalpan and thence E on Mex 120 towards the town of Xilitla. Just W of the turnoff towards Tres Lagunas we camped. This site is situated near the crest of the Sierra in a relatively untouched pine-oak forest. The area is extremely dry. We arrived in camp at dusk and soon retired. This morning after awakening I took a small bird walk and found a group of three acorn woodpeckers and a lone St. Mountain trogon. Several unidentified hummingbirds and warblers were also seen.