Macbean 1966 system was the weak point, so designed a new one using an external net bag invaginated into the hose by suction, but held in place by collar larger than collecting aperture : [sketch of a device with a collar and a tapered opening] Got some mosquito netting and cloth to have it wads. Spent the rest of the afternoon in Upper Voth Area (across the creek, along gasoline road). Slow, very slow. Watched a pair of golden plovers. Saw 4 ♀ phalaropes flying together, and other loose groups of ♀♀ only. Thought I- they're done laying and flocking preparatory to departure. Killed 2 - both with egg in oviduct. Guess I was wrong. Looked specifically for pectorals, and saw 4 ♂♂ and 1 ♀. Sex ratio has been skewed all along. Peculiar. Not much else in the area - pair of turnstones, 1 ♂ pus. Saw some Eskimo kios (a Brown, a Toovak, and 3 unknowns), and ended up giving them a science lesson with a ♀ Phalarope (4th egg