1. A Population Genetic Analysis of the Potential for a Crude Oil Spill to Induce Heritable Mutations and Impact Natural Populations

   • Matthew A. Cronin
   • John W. Bickham

   OriginalPaper Pages: 259 - 278

2. Development of a New Laboratory Freshwater/sediment Microcosm Test

   • Bernard Clément
   • Céline Cadier

   OriginalPaper Pages: 279 - 290

3. Toxicity of Nickel to the Earthworm and the Applicability of the Neutral Red Retention Assay

   • Janeck J. Scott-Fordsmand
   • Jason M. Weeks
   • Stephen P. Hopkin

   OriginalPaper Pages: 291 - 295

4. The Effects of Carbaryl Exposure of the Penultimate Larval Instars of Xathocnemis Zealandica on Emergence and Fluctuating Asymmetry

   • Sönke Hardersen
   • Steve D. Wratten

   OriginalPaper Pages: 297 - 304

5. Declining Ring-necked Pheasants in the Klamath Basin, California: I. Insecticide Exposure

   • Robert A. Grove
   • Donald R. Buhler
   • Aaron D. Drew

   OriginalPaper Pages: 305 - 312