1. Thermal and ultraviolet loss of herbicides

   • J. R. Baur
   • R. W. Bovey
   • H. G. McCall

   OriginalPaper Pages: 289 - 302

2. Failure of dieldrin to affect color vision in juvenile mallard ducks

   • P. N. Lehner

   OriginalPaper Pages: 303 - 311

3. PCB levels in egg yolks associated with embryonic mortality and deformity of hatched chicks

   • Casimir Francis Tumasonis
   • Brian Bush
   • Frederick Donald Baker

   OriginalPaper Pages: 312 - 324

4. Theory of controlled release of biologically active substances

   • R. L. Collins
   • S. Doglia

   OriginalPaper Pages: 325 - 346

5. Uptake, distribution, and metabolism of inhaled ethylmercuric chloride in the rat

   • S. C. Fang
   • E. Fallin

   OriginalPaper Pages: 347 - 361

6. Carbaryl residues in bees, honey, and bee bread following exposure to carbaryl via the food supply

   • W. Winterlin
   • G. Walker
   • A. Luce

   OriginalPaper Pages: 362 - 374

7. Interference of phenoxyacetic acid derivatives in the estimation of monochloroacetic acid by the thioindigo method

   • G. Baluja
   • J. M. Franco
   • M. A. Murado

   OriginalPaper Pages: 375 - 380