1. State dependent control of discrimination by morphine and pentobarbital

   • Harris E. Hill
   • B. E. Jones
   • E. C. Bell

   Original Investigations Pages: 305 - 313

2. Modifications in the response to alcohol following the establishment of physical dependence

   • M. Branchey
   • G. Rauscher
   • B. Kissin

   OriginalPaper Pages: 314 - 322

3. A controlled comparison of drug effects on escape from conditioned aversive stimulation (“anxiety”) and from continuous shock

   • James A. Dinsmoor
   • James C. Bonbright Jr.
   • Daniel R. Lilie

   OriginalPaper Pages: 323 - 332

4. Effects of marihuana extract on the operant behavior of chimpanzees

   • Douglas P. Ferraro
   • David M. Grilly
   • Wesley C. Lynch

   OriginalPaper Pages: 333 - 351

5. Conditioned aversion to saccharin by single administrations of mescaline and d-amphetamine

   • Howard Cappell
   • A. E. LeBlanc

   OriginalPaper Pages: 352 - 356

6. Studies on the mechanism of avoidance facilitation by nicotine

   • Carlton K. Erickson

   OriginalPaper Pages: 357 - 368

7. EEG profiles of fenfluramine, amobarbital and dextroamphetamine in normal volunteers

   • Max Fink
   • Donald M. Shapiro
   • Turan M. Itil

   OriginalPaper Pages: 369 - 383

8. Interactions of morphine and nalorphine with physostigmine on operant behavior in the rat

   • Stephen G. Holtzman
   • Robert E. Jewett

   OriginalPaper Pages: 384 - 395

9. Paradoxical effects of low doses of d-amphetamine in rats

   • Stanley D. Glick
   • Robert U. Muller

   OriginalPaper Pages: 396 - 402