Howell, T.R. 1950 S. varius ssp. 29mi. SW of Princeton, ft., British Columbia May 28 (cont'd.) on a branch a couple of feet below the nest. She sat there a few moments, then flew off. 10:15 - r. returns, goes to nest, seems to listen, looks in, hitches around, finally goes in. In a few minutes he looks out a few times, finally comes out, 10:30. When r. emerges, he usually does so with his head down, then pivots on one foot and comes around right side up. He flew off to some nearby trees, screamed some, returned at 10:40, hitched around but did not go in the nest, then left. At 11:00, I left. neither bird was there. During this 2hr. period I heard various screams, yelps, and a few tattoos, but could not correlate and activities with the sounds. I went to the nest site on the slope west of the r-n. nest slope, arriving at 11:20 and waited until 12:00, but did not see a sap- sucker. As I was returning along the lower part of the wooded ridge that separates the two slopes, I heard a scream and saw a ? nuchalis. She worked around a few trees, then screamed loudly several times. A ruber came up, and they approached each other, squawking. The ?n. then seemed to invite copulation, perching crosswise on a branch and arching her head back. The &r. then approached lengthwise, fluttering his wings, his crown feathers up, and squawking. He did not mount her, however, but stopped for no