Mayhew 1949 June 5 Killdeer Conaway Ranch, 2 miles east of Woodland, Yolo Co., Calif. A killdeer nest was found early this afternoon in the gravel between the tire tracks of a road along the main canal, just east of the large blackbird swamp. The rocks had been moved around enough to make room for the 4 eggs that were present. There was no attempt whatever at concealment of the nest. The eggs were brownish clay-colored, with a great deal of black scattered over the eggs. It looked as though they might have been sprinkled with tar (but, of course, they hadn't been). The ? went directly to the nest while I was standing in the open only 40 feet from it. June 11 On looking at the same nest today, I found only one egg remaining, & it was broken. There was no evidence of the other eggs about. The ? was gone. June 26 A nest with 3 eggs was found this morning along the drainage ditch road in the gravel. 1950 April 26 At 6:45 this morning I startled 1 individual from the road in front of me. It circled back to the same spot, so I stopped the car & watch. A moment later a 2nd bird landed beside the 1st one. About 5 seconds later the ? hopped on the back of the ?, She stood in a normal standing position, while he stood on her back. There was no movement on the part of either of