ints, Dear 2010 Journal Oct. 16 Sierra de Alvarado, San Luis Potosi, Mexico (cont) I drove to Valle de los Fantasmas and got a boy (Hector) to take me to a cave we failed to find on our last trip (Cueva del Moderno: 22.07183 N, 100.61466 W [±10m], 2297m elev.). The cave entrance is a big hole in a sunken area surrounded by oak trees and pasture. We quickly found 3 Chiropterotriton multidentatus crawling on the cave walls very close to the entrance. The cave goes back ~15m and then has several passages that drop sharply down and appear quite deep; I did not explore further and I think caving equipment would be necessary. Although this was the wettest cave I entered today, the areas where the salamanders were found were not actually wet. These animals (particularly the 2 smaller ones) remind me of the Chirops we collected E of Ciudad del Mai. I spent the night at the Hotel Napoles (expensive, just OK) in San Luis Potosi. Oct. 16 El Chico National Park, Hidalgo, Mexico After a leisurely morning in San Luis Potosi, I drove to Pachuca and up to El Chico National Park. I stopped 4km S (by rd) of Mineral del Chico; searched in rotting logs and rotting woodpiles in a mossy fir forest from 16:30-18:00. Got a small Chiropterotriton diminutulus from inside a rotting log. Conditions were fairly moist and forest seemed in good shape. At night, searched along mossy and rocky roadbank from 19:30-20:40 and got 3 Iberoelytrura cephalica, all of which were out on the mossy bank. The day was clear and cool and it got fairly cold at night. Please home to DF.