1. Uptake of arsenic and metals by tadpoles at an historically contaminated Texas site

   • Donald R. Clark Jr.
   • Roxie Cantu
   • Denis J. Maxson

   OriginalPaper Pages: 61 - 67

2. DNA strand breaks, cytochrome P-450-dependent monooxygenase system activity and levels of chlorinated biphenyl congeners in the pyloric caeca of the seastar (Asterias rubens) from the North Sea

   • J.M. Everaarts
   • P.J. Den Besten
   • L.R. Shugart

   OriginalPaper Pages: 69 - 79

3. Effects of exposure to vegetation sprayed with dimethoate or chlorpyrifos on mallard ducklings (Anas platyrhynchos)

   • Pamela A. Martin
   • Douglas J. Forsyth

   OriginalPaper Pages: 81 - 87

4. Indirect effects of the pyrethroid insecticide deltamethrin on reproductive success of chestnut-collared longspurs

   • Pamela A. Martin
   • Dan L. Johnson
   • Bernard D. Hill

   OriginalPaper Pages: 89 - 97

5. The photosynthetic responses of marine phytoplankton, periphyton and epipsammon to the herbicides paraquat and simazine

   • Sylvia Bonilla
   • Daniel Conde
   • Hans Blanck

   OriginalPaper Pages: 99 - 105

6. Metal concentrations in oldsquaw (Clangula hyemalis) during an outbreak of avian cholera, Chesapeake Bay, 1994

   • Ted Y. Mashima
   • W. James Fleming
   • Michael K. Stoskopf

   OriginalPaper Pages: 107 - 111

7. Acute toxicity and accumulation of the piscicide 3-trifluoromethyl-4-nitrophenol (TFM) in freshwater mussels (Bivalvia: Unionidae)

   • Diane L. Waller
   • Jeffrey J. Rach
   • James A. Luoma

   OriginalPaper Pages: 113 - 121

8. BOOK REVIEWS

   OriginalPaper Pages: 122 - 122