Behle 1934. 1/2 mi. S. Byron Hot Springs, Contra Costa Co., Calif. July 31 Left Berkeley at 4:45 arriving at Byron Hot Springs at 6:15 PM. Speedometer registered 52 miles from the campus. A stiff gale blowing from the west. Some little wind in Berkeley before we left but here it is difficult to walk against and the parked car is constantly rocking. Walked over the area where the larks were so abundant Sunday but not one was raised. The water in the slough previously mentioned has practically dried up leaving cracked mud. Six larkdeers are hovering around and a flock of sandpipers. For one hour I wandered around the fields looking for larks. There were none around the salt- bushes and sloughs of the hot springs These would have afforded good protection. There were none in soft ground squirrel holes nor at the base of slight hill. Several ground squirrels were seen and one jack rabbit which sprang up 75 yards ahead and ran like mad down a dried up canal. His ears