(july 2 cont.) We set up camp a short distance W of San Pedro in a cut through a hill. Set 45 traps in a small canyon with considerable mesquite + shade in bottom. Traps set at dusk + after dark. Saw sev. bats feeding in the bottom of the canyon, but wasn't able to get any. There are numerous mine shafts in this area. Heard a thrasher of some sort; saw Rock Wren, [illegible] a refugee called sparrows I saw bird v heard a flicker. Heard coyote howl during night. July 8 Catch: Peromyscus sp - 7 1 tail of Perognathus (Chaetodipus) sp. Bird list for day: Curve billed Thrasher wvident hummer Wh. fronted Dove? Rufous cr. Sparrow Mockingbird Desert Sparrow Rock Wren Black chinned Sparrow Mourning Dove Raven Brown Towhee Cactus Wren (PM) Bewicks Wren Verdin (PM) House Finch Scott's Oriole meadowlark Canyon Wren Also saw 1 study th. ground squirrel of some sort + 1 Sybillagus. Set 21 traps along dry brushy + thorny gully above camp; 15 traps along slope with short