Table of Contents for Volume 155(2), April 2006

• Community Composition and Structural Changes in a Managed Illinois Ozark Hills Forest…Trevor B. Ozier, John W. Groninger and Charles M. Ruffner p.253
• Differential Response of Algae on Small Streambed Substrates to Floods…Elizabeth A. Bergey and Vincent H. Resh p. 270
• Effect of Plant Litter on Seed Predation in Three Prairie Types…Aaron W. Reed, Glennis A. Kaufman and Donald K. Kaufman p.278
• Behavior of the Grass Shrimp Palaemonetes pugio and its Response to the Presence of the Predatory Fish Fundulus heteroclitus…Alyssa A. Kunz, Melissa Ford and Oscar J. Pung p.286
• Influence of Invasive Crayfish Species on Diurnal Habitat Use and Selection by a Native Crayfish Species in an Ozark Stream…M.R. Rabalias and D.D. Magoulick p.295
• Extirpation of Freshwater Mussels (Bivalvia:  Unionidae) Following the Invasion of Dreissenid Mussels in and Interconnecting River of the Laurentian Great Lakes…Don W. Schloesser, Janice L. Metcalfe-Smith, William P. Kovalak, Gary D. Longton and Rick D. Smithee p.307
• Reproductive Ecology of the Green Treefrog (Hyla cinerea) in Northwestern Florida…Margaret S. Gunzburger p.321
• Effects of Mowing and Summer Burning on the Massasauga (Sistrurus catenatus)…Francis E. Durbian p.329
• Habitat Modeling Within a Regional Context:  An Example Using Gopher Tortoise…Latha M. Baskaran, Virginia H. Dale, Rebecca A. Efroymson and William Birkhead p.335
• Relationships Between Landscape Pattern and Space Use of Three Mammalian Carnivores in Central Mississippi…Juanita M. Constible, Michael J. Chamberlain and Bruce D. Leopold p.352
• Detection and Classification of Cougars in Michigan Using Low Copy DNA Sources…Bradley J. Swanson and Patrick J. Rusz p.363
• A 3-decade Dearth of Deer (Odocoileus virginianus) in a Wolf (Canis lupus)-dominated Ecosystem…Michael E. Nelson and L. David Mech p.373
• Improve Scientific Writing andAvoid Perishing…Leslie N. Carraway p.383

Notes and Discussion

• Lizard Abundance in an Exurban Southwestern Savanna, and the Possible Importance of Roadrunner Predation…Blake W. Audsley, Carl E. Bock, Zach F. Jones, Jane H. Bock and Hobart M. Smith p.395
• Ear Flashing Behavior of Black-tailed Jackrabbits (Lepus californicus)…Jan F. Kamler and Warren B. Ballard p.402
• Effects of Smoke Fire-related Cues on Penstemon barbatus Seeds…Scott R. Abella p.404
• Hybridization Between Normally Parthenogenetic Aspidoscelis tesselata E and Gonochoristic A. sexlineata viridis (Squamata:  Teiidae) at Ft. Sumner, De Baca Co., New Mexico…Glenn J. Manning and James M. Walker p.411
• An Evaluation of MS-222 and Benzocaine as Anesthetics for Metamorphic and Paedomorphic Tiger Salamanders (Ambystoma tigrinum nebulosum)…Amanda C. Crook and Howard H. Whiteman p.417
• Efficacy of Monthly and Semi-monthly Trapping of Small Mammal Populations…Lowell L. Getz, Joyce E. Hoffman, Laura Simms and Betty McGuire p.422

Errata

• Moist Soil Plant Seed Production for Waterfowl at Chautauqua National Wildlife Refuge, Illinois (Volume 154:2, October 2005)…Matthew W. Bowyer, Joshua D. Stafford, Aaron P. Yetter, Christopher S. Hine, Michelle M. Horath and Stephen P. Havera p.428