Mayhew 1950 Mallard 29. June 14 Conaway Ranch, 2mi. east of Woodland, Yolo Co., Calif. ① A nest was found in a cut-over grain field this morning. It contained 8 eggs + quite a lot of down. The ♀ flushed from the nest when I was about 25 feet from it. The field had been cut last Friday, June 9th. The ♀ circled the area until I left the nest site. This nest was found in a field directly west of Lee Baldock's house. June 15 A ♀ and 7 yearlings as big as the ♀ were ② seen swimming in a ditch 2 miles south of ranch headquarters. June 21 Today I rode a combine harvester while it was harvesting wheat in the area when I saw most of the birds looking for nesting sites earlier this spring. The combine operator told me that nearly all the ducks seen in the grain this year were concentrated in the southeast corner of the grain field (wheat) directly south of ranch headquarters. This was also where most of the birds had been seen looking for nesting sites. Today only 3 nests were found in the 50 acres that we covered today. ② A nest with 9 eggs was uncovered by the header. The rig was 30 ft. away from the nest when the ♀ flushed. The wheat was rather thin around the nest. The nest was about 150 yards from the