1. Sleep in normal and pathological aging

   • R. Blois
   • I. Feinberg
   • W. B. Webb

   Reviews Pages: 551 - 558

2. Fetal gastric and colonic implants in syngeneic and allogeneic mice developing typical inflammatory changes

   • M. E. Heim
   • K. B. Taylor

   Full Papers Pages: 558 - 566

3. Structure of three isomeric host-specific toxins fromHelminthosporium sacchari

   • V. Macko
   • W. Acklin
   • D. Arigoni

   Correction Pages: 566 - 566

4. Starfish saponins. Part 9. A novel 24-O-glycosidated steroid from the starfishHacelia attenuata

   • L. Minale
   • C. Pizza
   • F. Zollo

   Short Communications Pages: 567 - 569

5. Starfish saponins. Part 10¹. Further 24-O-glycosidated steroids from the starfishHacelia attenuata

   • L. Minale
   • C. Pizza
   • F. Zollo

   BriefCommunication Pages: 569 - 571

6. Formation of microspheres from simple molecules under simulated primitive earth conditions; ultrasound and light radiation

   • S. Valladas-Dubois
   • R. O. Prudhomme

   BriefCommunication Pages: 571 - 573

7. The effect of a gastric mucus barrier on the dynamic response of a pH electrode

   • P. Vadgama
   • K. G. M. M. Alberti

   BriefCommunication Pages: 573 - 576

8. The effect of weak electrical potential gradients on the transport of water in broad bean plants under stress

   • A. Polson
   • K. J. van der Merwe

   BriefCommunication Pages: 576 - 577

9. Relaxation of isolated rabbit veins mediated by latent histamine H₂-receptors

   • H. Tsuru
   • M. Iwata
   • T. Shigei

   BriefCommunication Pages: 577 - 578

10. Effects of hypo and hyperosmotic media on rabbit renal cortical slices

    • R. Gilles
    • C. Duchêne
    • I. Lambert

    BriefCommunication Pages: 579 - 580

11. Acute heat/exercise stress in rats: Effects on fluid and electrolyte regulatory hormones

    • R. Francesconi
    • M. Mager

    BriefCommunication Pages: 581 - 583

12. Angiogenic factor in vitreous from diabetic retinopathy

    • C. R. Hill
    • R. D. Kissun
    • A. Garner

    BriefCommunication Pages: 583 - 585

13. Hepatic proline after bile duct ligation in rats

    • T. S. Chen
    • C. L. Boesch
    • C. M. Leevy

    BriefCommunication Pages: 585 - 586

14. Extraction of two different protein kinase activities from bovine rod outer segments

    • M. Feraudi

    BriefCommunication Pages: 586 - 590

15. Isolation and amino acid compositions of geographutoxin I and II from the marine snailConus geographus Linné

    • H. Nakamura
    • J. Kobayashi
    • Y. Hirata

    BriefCommunication Pages: 590 - 591

16. Stereoselective binding of 4,5-dihydrodiazepam to human serum albumin

    • I. Fitos
    • M. Simonyi

    BriefCommunication Pages: 591 - 592

17. Styrene oxidation to styrene oxide in human erythrocytes is catalyzed by oxyhemoglobin

    • F. Tursi
    • M. Samaia
    • G. Belvedere

    BriefCommunication Pages: 593 - 594

18. Interference of azide in the estimation of total lipids by means of the sulphophosphovanillin method

    • J. J. S. Broertjes
    • P. de Waard
    • P. A. Voogt

    BriefCommunication Pages: 594 - 595

19. The tooth replacement phenomenon and growth in the green iguana,Iguana iguana

    • L. W. Kline

    BriefCommunication Pages: 595 - 596

20. Are the pores of intramembrane particles of postsynaptic membrane transmitter-dependent channels?

    • P. Cuevas
    • J. A. Gutierrez Diaz
    • D. Reimers

    BriefCommunication Pages: 596 - 598

21. Acetylcholinesterase localization at synapses in chick embryo ciliary ganglion

    • C. Olivieri-Sangiacomo
    • A. Del Fà
    • C. Gangitano

    BriefCommunication Pages: 598 - 600

22. Effect of ouabain on volume regulation of rabbit kidney cortex slices in hypo-osmotic media

    • R. Gilles
    • C. Duchêne
    • I. Lambert

    BriefCommunication Pages: 600 - 602

23. Cardiovascular compensatory and decompensatory responses in rats anesthetized with pentobarbital compared to chloralose-urethane

    • R. F. Bond

    BriefCommunication Pages: 602 - 604

24. Enhancement of human neutrophil oxygen consumption by chemotactic factors

    • A. Tanabe
    • Y. Kobayashi
    • T. Usui

    BriefCommunication Pages: 604 - 606

25. Inhibitory action of serum from a Laron dwarf on normal cellular function

    • B. F. Roth-Schechter
    • J. M. Bonardi
    • J. G. Juif

    BriefCommunication Pages: 606 - 608

26. Karyological studies on established mosquito cell lines

    • J. M. Chiplonkar
    • U. V. Wagh
    • D. S. Joshi

    BriefCommunication Pages: 608 - 610

27. Enzymes involved in oxygen detoxification during development ofDrosophila melanogaster

    • H. Nickla
    • J. Anderson
    • T. Palzkill

    BriefCommunication Pages: 610 - 612

28. Evidence for post-zygotic lag inChlamydomonas moewusii (Chlorophyta; Volvocales)

    • R. A. Lewin

    BriefCommunication Pages: 612 - 613

29. Testosterone secretion of rat and mouse Leydig cells cultured at plates precoated with collagen taken from male and female rats

    • S. E. Levina

    BriefCommunication Pages: 613 - 614

30. Arginine-vasotocin and gonadal activity in the lizard,Podarcis s. sicula Raf.

    • G. Ciarcia
    • F. Angelini
    • V. Botte

    BriefCommunication Pages: 615 - 616

31. Dissociation of glucocorticoid effects of C-21 steroids at high concentrations in thymocytes

    • M. B. Castillo
    • M. D. Gonzalez
    • A. Roldán

    BriefCommunication Pages: 617 - 618

32. Juvenile hormone levels, vitellogenin and ovarian development inAcheta domesticus

    • M. Renucci
    • C. Strambi

    BriefCommunication Pages: 618 - 620

33. Influence of the route of administration on thyrotropin-releasing hormone concentration in the mouse brain

    • T. Mitsuma
    • T. Nogimori

    BriefCommunication Pages: 620 - 622

34. Intramural distribution of neuron specific enolase (NSE) in the human gastrointestinal tract

    • G. -L. Ferri
    • P. J. Marangos
    • J. M. Polak

    BriefCommunication Pages: 622 - 623

35. Immobilization of rat brain synaptic vesicles on positively-charged glass microspheres

    • J. K. Disbrow
    • M. J. Gershten
    • J. A. Ruth

    BriefCommunication Pages: 623 - 625

36. Bromocriptine reduces the size of cells in prolactin-secreting pituitary adenomas

    • A. M. Landolt
    • H. Minder
    • Th. A. Landolt

    BriefCommunication Pages: 625 - 626

37. Union of Swiss Societies of Experimental Biology

    • Organizers, Union of Swiss Societies of Experimental Biology, Union des Sociétés Suisses de Biologie Expérimentale, Union Schweizerischer Gesellschaften für Experimentelle Biologie

    Abstract Pages: 627 - 686