LL Wolf 1963 Journal July 16 Prepared specimens, had supper + went to bed. July 17 22 mi. S. Cuidad Obregon, Sonora & 9 mi. N. Guachil, Fina Overly until 8 o'clock. Had breakfast. I went out to shoot some Rufous-winged Sparrows + check on nests while John started packing to leave. Took the 4 eggs from nest discovered yesterday for Dr. Sibley. Collected 5 carpalis + 1 Lardin. 2 carpalis were a pair. When I returned to prepare specimens John went out to get White-winged Dove eggs. He also brought back 1 Ainszula carpalis. He collected egg-white + we packed car. Drove to Cuidad Obregon when met a local man who took us to buy drinking water + then to the market. Bought some fruit to supplement our diet. Then on to Fina. At Las Mochas turned east on road to San Blas. Had hoped to reach foothills of Sierra Madre but road was so bad beyond San Blas we turned around. Ate around + fee'd to the Rio Sinaloa & a little south is some farm land - mostly cotton, some sugar cane + nick. Saw Black- Belted Tree Ducks, prob. Fulvous Tree Duck, + Mist flying around fields. Drove to 9 mi. N Guachil where a rut road leads off into mangrove forest. Followed road - I turn to left - for 4 miles.