Articles Page Numbers ABUNDANCE AND DIVERSITY OF MACROINVERTEBRATES IN TROUT STREAMS 19-22 BAMBI'S BED: A STUDY OF THE BEDDING BEHAVIOR OF WHITE-TAILED DEER (ODOCOILEUS VIRGINIANUS) IN VARYING TOPOGRAPHICAL REGIONS IN CENTRAL PENNSYLVANIA 13-18 BLUE GILL (LEPOMIS MACROCHIRUS) PREDATION ON SPOTTED SALAMANDER (AMBYSTOMA MACULATUM) EGGS 6-8 DEPTH CHANGES OF THE PLANKTON COMMUNITY IN RAYSTOWN LAKE 40-42 EFFECT OF COLOUR PHASE ON WINTER HABITAT CHARACTERISTICS OF THE EASTER SCREECH OWL, OTUS ASIO, IN CENTRAL PENNSYLVANIA 53-61 EFFECT OF EXPERIMENTAL CHLORINE WATER TREATMENT BEDS ON MACROINVERTEBRATE ABUNDANCE AND DIVERSITY IN CROOKED CREEK 9-12 EFFECTS OF SEWAGE PLANT POLLUTION ON CRAYFISH IN THE JUNIATA RIVER 32-33 EFFECTS OF THE CLEAN WATER ACT ON WATER QUALITY: A TEMPORAL COMPARISON OF WATER QUALITY ON THE SUSQUEHANNA RIVER BASIN 46-52 EFFECTS OF VEGETATIVE FACTORS ON THE WINTER DISTRIBUTION OF COLOR PHASES OF THE EASTERN SCREECH OWL, OTUS ASIO, IN CENTRAL PENNSYLVANIA 27-31 ENERGETICS OF BROODING IN THE FRESHWATER AMPHIPOD GAMMARUS MINUS 34-39 ISLAND-BIOGEOGRAPHY THEORY AND THE PREDICTION OF THE NUMBER OF FLATWORMS ON A STONE 1-2 IS THE ABUNDANCE OF THE AMPHIPOD GAMMARUS MINUS AFFECTED BY THE SNAIL FONTIGENS NICKLINIANA? 43-45 MACROINVERTEBRATE SURVEY OF TYTOONA CAVE 23-26 VARIATION IN BROOD SIZE OF THE AMPHIPOD GAMMARUS MINUS ALONG THE LENGTH OF WARM SPRING 3-5
