TABLE OF CONTENTS No. Title Page PART I An introduction to the amphibians and reptiles of the Katharine Ordway Preserve-Swisher Memorial Sanctuary, Putnam County, Florida R F ran z ..................................................................................................... 1 1 The ecology of a sandhills population of the eastern narrow-mouthed toad, Gastrophryne carolinensis, during a drought C .K D odd, Jr. ..................................................................................... 11 2 Seasonal abundance and habitat use of snakes in xeric and mesic communities of north-central Florida C.K D odd, Jr., & R Franz.....................................................................43 3 Vegetation of selected upland ponds in north and north-central Florida L. LaClaire.......................................... .................. ........................... 69 4 Nesting ecology, female home range and activity, and population size-class structure of the gopher tortoise, Gopherus polyphemus, on the Katharine Ordway Preserve, Putnam County, Florida L L Sm ith ......................................................................................... 97 5 Home range, habitat use, and behavior of the eastern diamondback rattlesnake (Crotalus adamanteus) on the Ordway Preserve W W Timm erm an.............................................. .......... 127 PART H An introduction to the mammalian species of Katharine Ordway Preserve-Swisher Memorial Sanctuary J.F. Eisenberg....................................................................................... 165 6 Activity, movement, and home range of Virginia opossums (Didelphis virginiana) in Florida J.T R yser ....................................................................................... . 177 7 Habitat use and home ranges of Podomysfloridanus on the Ordway Preserve C Jones.......................................................................................... . 195 8 Neotomafloridanafloridana:: Natural history, ecology, and movements in north-central Florida L. H aySm ith ..........................................................................................211 9 Habitat use by raccoons (Procyon lotor) in a sandhill/wetland mosaic of north-central Florida S. W alker ................................ ............................ 245