D. Strong 1925 (Copy) /85 about eight specimens by fire light. San Ysidro, June 5, 1925. Mourning dove G. B. Goldfinch Brewer blackbird Anna Hummingbird Vireo (w.w.) Rufus Hummingbird Cassin or Ark. Kingbird Song Sparrow (several singing Valley Quail Wren Tit Night Hawk Brown Towhee Phainopepla Cooper Hawk. SAN PEDRO MARTIR MISSION June 6, 1925. About six miles from San Ysidro we came on the impressive ruins of the San Pedro Martir Mission. The ground works are very large and intensely interest- ing. Mounds show the plan of the walls, and stone foundations and rubble walls are still in evidence. Plain red potsherds are common. There is a good creek here, and a hot spring. The valley is now desolate but once probably was a garden spot. We should have ex- ploded more thoroughly for a little dragging would prob- ablely yield much of interest. We continued on down very steep dry ridges to the Santo Domingo river (La Grulla stream), stopped and paid our respects to the family at San Antone and continued