49 LL Wolf 1969 Journal July 28 Cuernavaca, Morelos, Mexico - cont'd. at edges of cornfields. Flew to both species from ground in lone. After shot one + humeruli which dropped to grass + fluttered slightly the & flew over + worked down to 2-feet up in partly defoliated tree. Missed him. Lesser Goldfinches common in pairs + small groups - song flights. Saw one Curve-billed Thrasher on Oquitos - Dominated hillside- Also several House Finches. Dick collected 11 lizards of 5 or 6 species while I collected birds. Returned to apartment where prepared specimens, had supper, + to bed. By 1630 the sky was overcast again + will probably rain again tonight. July 29 Cuernavaca, Morelos, Mexico Began running about 2120 last night. But was clear when we got up at 0500. After breakfast drove out to Cerro de Lobos. Arrived at 0545 as beginning to get light. Checked Aimophila humeruli nest- leg hatched. Then went uphill on east - being slow to work my first day on A. humeruli. Sun on that part of hill by 0630. Saw groups of three birds twice today. The Plain Chatlacers are especially vociferous today. 1st yr. & Varied Bunting has several song purchases in one where I have. Back to car where took pictures of several nests + canyon. Dick came in at 1445. We went back to stream bottom where he showed me what was guest with how hard living + (probably an Aimophila humeruli nest - guest with how hard living + contained one cracked, white egg. Then caught one swift. Back to Cuernavaca where prepared specimens, supper, notes, etc. Day was clear to partly cloudy, but sunny all day.