th, 2 1939 Journal 78 Russell Face Res., 2 mi. New Lafayette, Contra Costa Co., Caly 1300ft 13 April F4/BL 4%PK rd /BL PK had four eggs to tranfer egg 1 lgy 18mm broken width 13 weight egg 2 lgth 18 width 13 weight 3g egg 3 lgth 17 width 14 weight 2g egg 4 lgth 18 width 13 weight 2g F infarled egg 1 lgth 20 width 14 weight 2.5 g egg 3 length 20 width 15 weight 2.5 o 203/-8908 PK BL FW BK egg 2 lgth 19 width 14 weight 2g egg 4 lgyth 19 width 15 light 2.5 Three eggs from F4/BL nest were traded with four from PK/FW . The 1st egg of FW/BL was broken by me. F4/BL eggs were smaller and small more rusty colored spots concentrated more on the end run PK/FW. During the tranfer I met 3 House Sparrow eggs in the FW/BL nest. When I returned one was missing, The eggs had been bored