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• TABLE 11-31 <br />Number and Relative Abundance (by Order) of Benthic Animals <br />Caught With a Surber Sampler in Upper Dry Creek (Site D-1) May 1974 <br /> Order Growth Relative <br /> <br />Family/Ta xon 1 <br />Stage 2 <br />No. <br />Abundance (~a) <br /> Oligochaeta 4 1,0 ~' <br /> Tubificidae A 4 <br /> Hydracarina A 1 0.2 <br /> Turbellaria 40 9.7 <br /> Plana ri idae/ poss. Phagocota sp. A 40 <br /> Gastropods 3 0.7 <br /> Psysi dae/Phyla sp. A 1 <br /> Planoribidae/poss. Heliosoma camps nulata Immat. 2 <br /> Pelycepoda 120 29.2 <br /> Spa eriidae/Sphae ri um sp. A 120 <br /> Amphipoda 31 7,5 <br />• Hyalellidae/Hyalella az teca A 28 <br /> Gammari da a/Gammarus lacustris A 3 <br /> Ephemeropte ra 67 16.3 <br /> Bactidae/Ba etis sp. N 67 <br /> Plecoptera 7 1.7 <br /> Nemouridae/Nemoura sp. N 7 <br /> Trichoptera 1 0.2 <br /> Limnephi lidae/Hesperophylax sp. P ~ 1 <br /> Coleoptera 7 1.4 <br /> El mi dae L 4 <br /> Dytisci dae L 1 <br /> Unknown Family L 1 <br /> Unknown Family A 1 <br /> Diptera 130 31.8 <br /> Tipulidae/Tipula sp. L 8/1 <br /> poss. Dicra nota sp. L 3 <br /> poss. Erioce ra sp. L 4 <br />. Stratiomyi idae/Unknown "A" L 7/2 <br /> Unknown "B" L 4 <br /> Unknown "C" L 1 <br /> <br />