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mileage 24983.8 Survey N.Y. Drainage Coll. No. 55 - 4 Locality stream 10 mi. N. of Long Lake, N. of Big Brook County Hamilton Quadrangle Elevation Water brown, clear Flow Width - 20' Vegetation com. - grasses, sedge Bottom sand, gravel Current mod Shore wooded (low) to alder Distance from shore - 10' Temperature: Air Water Time Weather pt. cldy. Depth of Capture Depth of Water - 2' Method of Capture net, dredge Date VI - 9 - 1955 Collected by R.H. Gibbs Orig. preserv. Pot. cyanide Time 8:30 - 11:00 AM General notes: Cordulegaster maculatus- very ab. The only species in evidence until about 10 AM. Mating pairs, after the initial contact, soared out of sight. ♀'s oviposited near piles of rocks or large rocks, dipping quickly one to 20 or more times in a row. Very easy to catch at narrow points in stream. 14♂ 2♀ Gomphus descriptus 6♂ more com. as morning progressed. Basiaeschna janata - 1 or 2 seen Helocordulia uhleri - 1♂ [[short solid line]]