Articles Page Numbers ANALYZING COMPETITION BETWEEN BROOK TROUT AND BROWN TROUT 37-41 BREEDING PREFERENCE OF AMBYSTOMA MACULATUM IN VERNAL AND PERMANENT PONDS 42-46 COMPARISON OF THE ABUNDANCE OF WHITE-FOOTED MICE IN FIELD AND FOREST HABITATS 9-13 DIELVERTICAL MIGRATION OF ZOOPLANKTON IN RAYSTOWN'S LAKE JUNIATA BAY 14-20 DIVERSITY OF E.P.T. TAXA IN RELATION TO LAND USE ALONG GREAT TROUGH CREEK 47-52 EFFECT OF METHYLATED MERCURY ON THE DIVING FREQUENCY ON THE COMMON LOON 67-72 EFFECT OF SOIL NITRATES, PH, AND ORGANIC CONTENT ON ACER SACCHARUM SEEDLING DISTRIBUTION 64-66 EFFECTS OF MOISTURE AND NITRATE LEVELS ON SOIL INVERTEBRATES OF THE MAPLE GROVE OF THE RAYSTOWN FIELD STATION 61-63 EFFECTS OF TEMPERATURE AND THALLUS DENSITY ON SIZE AND SEX RATION OF THE C-FERN 1-4 EFFECTS OF THE HERBICIDE ATRAZINE ON RANA SYLVATICA DEVELOPMENT 53-57 LONGITUDINAL STUDY OF WARM SPRING (PENNSYLVANIA) 21-29 PLANKTON STUDY OF LAKE RAYSTOWN 5-8 SEXUAL DIMORPHISM OF HEAD SIZE IN EASTERN FENCE LIZARDS 58-60 SIZE SELECTION OF THE SLIMY SCULPIN (COTTUS COGNATUS) ON GAMMARUS MINUS PREY 30-36
