Berkeley, D.C. 1956 Journal 23 NW corner Edwards Field, U.C. Campus, Berkeley 6 A.M. Tried to record young birds in nest C at 0630-0800 today. An awful lot of background noise. The equipment is such: Cresent recorder, meter, and auto battery. Rented the recorder, meter, ear phones, etc. and bought tape (2 7" reels, dual track), 12 spools, leads, splice, for 46.46. Battery cost 4.00 (3+1 package). Built a cart out of wood + wheels Jay & I got from the dump. Worked fine until a wheel came off. I held the mike close to the nest, tried to get the birds that way. Not much. Lodged mike in bushes to get sounds as & fed them, but she wouldn't go to nest when I was so close. Then outside noise became too much. U.C Campus - Did the first exchange today at about 1100, with the help of J Schnell. White Crown nest A had 3 eggs 5+4 or 6+4 day of incubation. Song Sparrow nest 2 had 2 eggs, 3rd day of incubation. White Crown eggs considerably larger than others. Took 2 eggs from B, put in 2 nest, took those 2 and put in nest A. Broke the other egg from A while trying to make it. Put eggs in museum eggs box, walked as fast as I could from White Jay kept White Crown off nest. 9 A.M. U.C Campus Met Reed Pierce, interested in seeing White Crown nests. He is working in the herp lab. 10 A.M. U.C Campus - Reed Pierce made the rounds with me today, checking the nests