1. Pharmacological effects of imipramine and desmethylimipramine in developing rats

   • I. P. Lapin
   • S. V. Osipova
   • E. M. Stabrovski

   Original Investigations Pages: 255 - 265

2. Effects of morphine and nalorphine on the phenylquinone-induced syndrome in monkeys

   • Jack Pearl
   • Craig R. Michel
   • Eric A. Bohnet

   Original Investigations Pages: 266 - 270

3. An analysis of the learning deficits produced by scopolamine

   • Barry D. Berger
   • Larry Stein

   Original Investigations Pages: 271 - 283

4. Alcohol and gambling

   • Lenart Sjöberg

   Original Investigations Pages: 284 - 298

5. Stereotyped and non-stereotyped behaviour in rats induced by various stimulant drugs

   • Rasmus Fog

   Original Investigations Pages: 299 - 304

6. Effect of ethanol, bourbon and various ethanol levels on Y-maze learning in the goldfish

   • Ralph S. Ryback

   Original Investigations Pages: 305 - 314

7. The effect of lithium chloride administration on brain and heart norepinephrine turnover rates

   • D. N. Stern
   • R. R. Fieve
   • E. Costa

   Original Investigations Pages: 315 - 322

8. The influence of psychotropic substances on hornet behaviour in colonies ofVespa orientalis F. (Hymenoptera)

   • L. Floru
   • J. Ishay
   • S. Gitter

   Original Investigations Pages: 323 - 341

9. Dose effects of chlorpromazine on human sleep

   • S. A. Lewis
   • J. I. Evans

   Short Communications Pages: 342 - 348

10. Effects of imipramine and reserpine in depression

    • M. W. P. Carney
    • Harold Thakurdas
    • J. Sebastian

    Letters to the Editors Pages: 349 - 350