1941 shrie. Once the parent delivered a mouse, held by the head. The young birds broke at it immediately and there was some scrambling and then a head appeared again at the hole. That was the only time we detected exactly what was offered, in the morning. July 2. One of the owls fled from the box. J.T.A. saw it on the window sill under the box. When I went out to see it it was in the tree next to the box where it spent the rest of the day. It looked as large as the tparents but was clumsy in its movements. In the evening I heard one out in the box and another in the tree east of the house. July 3. J.T.A. heard a Red-breasted Nuthatch at the end of Morewood Rd. As we drove to Boulder Creek we saw a pair of Mock- Wriggids in the roadway (Herperia Blnd.) near San Lorenzo R.R. station. Near Mt Eden where there is still some standing water I noticed some sandpipers. At Dumbarton Bridge there were several hundred W. Sandpipers in close flocks of 50-60. Salt flies very abr. flew into the auto if I lowered the window on the wind- ward side. There were 50-60 Willets and a number of Avocets - some half 'g' grown young (3), were seen. 8-10 Foster Terns were seen. (No Caspians). At Mt. View Marsh the tide was out too far but I saw Willets, Hudsonian Curlew (4), Longbills 2 ot.