1. Differences in tolerance to mescaline produced by peripheral and direct central administration

   • H. A. Tilson
   • S. B. Sparber

   Original Investigations Pages: 313 - 323

2. Central location of a genotype-dependent cholinergic mechanism controlling exploratory behaviour in mice

   • J. H. F. van Abeelen
   • A. J. M. Smits
   • W. G. M. Raaijmakers

   Original Investigations Pages: 324 - 328

3. The effect of stimulant drugs on human figure drawings in children with minimal brain dysfunction

   • C. Keith Conners

   Original Investigations Pages: 329 - 333

4. Behavioral, biochemical and maturation effects of early DL-para-chlorophenylalanine treatment

   • M. Marlyne Kilbey
   • Robert T. Harris

   Original Investigations Pages: 334 - 346

5. Effects of drug-state changes upon black-white discrimination learning in rats

   • Shinkuro Iwahara
   • Kazuyo Matsushita

   Original Investigations Pages: 347 - 358

6. Effects of antihistamines on isolation-induced fighting in mice

   • A. Barnett
   • J. B. Malick
   • R. I. Taber

   Original Investigations Pages: 359 - 365

7. Changes in a hexobarbital anaesthesia threshold in rats induced by repeated long-term treatment with barbital or ethanol

   • Göran Wahlström

   Original Investigations Pages: 366 - 380

8. Relative potency of amphetamine derivatives and N,N-dimethyltryptamines

   • Edward T. Uyeno

   Original Investigations Pages: 381 - 387

9. Effects of acute and chronic administration of cannabis sativa and (−)Δ⁹-trans-tetrahydrocannabinol on the behavior of rats in an open-field arena

   • Jandira Masur
   • Regina M. W. Märtz
   • E. A. Carlini

   Original Investigations Pages: 388 - 397

10. A method for studying the influences of drugs on learning for food rewards in rats

    • I. P. Stolerman

    Original Investigations Pages: 398 - 406