E.L. Karlstrom 1954 Journal April 7 Chuckie, Kris, and I left MV2 8:15 A.M. Speedometer reading 28044.0. Took Highway 24 to Walnut Creek, U.S. 50 to Tracy arriving there at 10:15 A.M. Slow progress due to new set of rings in Plymouth subdivision. Merc'd 12:00 noon, (174.0) Weather warm and sunny, in middle 70's with moderate breeze. Slight patches of billowy clouds in foothill regions. First collection stop made 1:15 P.M. 3 miles W Marygrove, Marygrove Co., Calif 1500 ft. Aqua Fria Creek here runs along south side of State Hwy. 140. We stopped by a roadside stand- State Hill Wayside Stand. Wide pools of slow moving water at this point. Creek is fairly low now, at most a foot in depth. G. E. Thomas, owner of wayside stand an old-timer in this area. He reported that Aqua Fria Creek dried up about last of July 1953, although springs fed it for a while. Completely dry creek bed by August. Conditions today seemed right for adult Rana or salamander eggs in stream or spring pools but I saw no signs of any amphibians. Mr. Thomas gave a clue. The creek had 4-5 feet of water about one week ago. He has heard frogs (Rana presumably) calling since last week in March when he set up stand. I collected one small Sceloporus under a piece of rotted