Remsen, J.V. 1974 Western Flycatcher Empidonax difficilis Mar.22 Alice Eastwood Campg, Marin Co, Calif : 3 h.o. - first arrival Apr.3 301 Camino Pablo, Orinda, Contra Costa Co, Calif : 1 h.o - first arrival in yard. May 6 301 Camino Pablo : 1 carrying nest material to ledge under- eaves of house in NE corner. There had been so much activity by these birds in the large live call tree at that end of the house that I suspected previously that they had a nest in the tree. Jun 1 Scottys Castle, Death Valley NM, Inyo Co, Calif : 1 June 17 Com Spring, Riverside Co, Calif : 1 - extremely late migrant.