Journal Hafner, H.S. 1977 21 July cont 10 km S, 2 km W Sombrerete, 2130 m, Zacatecas, Mexico, We skinned our specimens then retired about 2100. I heard the call of an Oryzomys several times. 0200 it began to rain heavily, so we quickly awoke and set up the awning. We had a very poor, wet, cold night's sleep. 22 July 10 km S, 2 km W Sombrerete, 2130 m, Zacatecas, Mexico. 0600 awoke to a very cool morning. We haven't as yet adjusted to the 1 hour time change as we entered Durango, (so we awoke later than usual). Checked the Sherman traps: 25 D. merriami (+ 1 tail only) Success: 25/100 We released all specimens and set to checking our MacAbee traps. John had captured 7 specimens overnight, I only 1. My specimen had been badly damaged, possibly by a Tarantula, so I was forced to make a skeleton. (None of John's specimens were damaged). We continually trapped throughout the warm, windy day. We talked with one old man who happened to walk by - he managed some 40 cattle that were grazing in the area. The gophers were almost inactive throughout the