1. Editorial

   • P. J. Stoward

   EditorialNotes Pages: 701 - 701

2. Ultrastructural cytochemistry of phosphatases in the ductal component of pleomorphic adenoma of human parotid and submandibular salivary glands

   • J. D. Harrison
   • D. W. Auger

   Papers Pages: 703 - 711

3. Use of microstereology and quantitative cytochemistry to determine the effects of crude oil-derived aromatic hydrocarbons on lysosomal structure and function in a marine bivalve mollusc,Mytilus edulis

   • Michael N. Moore
   • K. Robert Clarke

   Papers Pages: 713 - 718

4. Nuclear changes induced by the nematodesXiphinema diversicaudatum andLongidorus elongatus in root-tips of perennial ryegrass,Lolium perenne

   • B. S. Griffiths
   • W. M. Robertson
   • D. L. Trudgill

   Papers Pages: 719 - 730

5. Influence of fixatives on the immunoreactivity of paraffin sections

   • Brian L. Mepham

   Papers Pages: 731 - 737

6. Cellular chemical indices of right ventricular protection in children

   • J. Cooper
   • C. Bull
   • J. Stark

   Papers Pages: 739 - 746

7. Tissue preparation for the demonstration of surface antigens by immunoperoxidase techniques

   • Mary A. Judd
   • Karen J. M. Britten

   Papers Pages: 747 - 753

8. Urothelium-specific antibody and lectin surface mapping of bladder urothelium

   • G. M. Hodges
   • M. A. Smolira
   • L. K. Trejdosiewicz

   Papers Pages: 755 - 766

9. Localization of amylase and mucins in the major salivary glands of the mouse

   • A. P. Vreugdenhil
   • A. V. Nieuw Amerongen
   • P. A. Roukema

   Papers Pages: 767 - 780

10. Histochemical studies of fibroblasts from patients with Menkes kinky hair disease and Wilson's disease

    • H. C. Liu
    • W. Y. Chan
    • O. M. Rennert

    Papers Pages: 781 - 789

11. The preparation of protein A-gold complexes with 3 nm and 15 nm gold particles and their use in labelling multiple antigens on ultra-thin sections

    • Jurgen Roth

    Papers Pages: 791 - 801

12. A comparison of immunoferritin, immunoenzyme and gold-labelled protein A methods for the localization of capsular antigen on frozen thin sections of the bacterium,Pasteurella haemolytica

    • Julian E. Beesley
    • Anne Orpin
    • Christopher Adlam

    Papers Pages: 803 - 810

13. Enzymes involved in protein transmission by the intestine of the newborn lamb

    • D. Dinsdale
    • P. J. Healy

    Papers Pages: 811 - 821

14. Imidazole-buffered osmium tetroxide: an excellent stain for visualization of lipids in transmission electron microscopy

    • Sabine Angermüller
    • H. Dariush Fahimi

    Papers Pages: 823 - 835

15. Advantages of 1-methoxyPMS as an electron carrier in dehydrogenase cytochemistry

    • C. J. F. Van Noorden
    • J. Tas

    Short Communications Pages: 837 - 842

16. Enhanced visualization of enzymatic reaction product by means of image analysis

    • G. Gordon
    • D. J. Palatini

    Short Communications Pages: 842 - 845

17. Heterogeneity in polymorphonuclear leukocyte neutrophil granules

    • W. Allen Shannon Jr
    • Daniel M. Zellmer

    Letter to the Editor Pages: 847 - 850

18. News and views

    • F. P. Altman

    News Pages: 851 - 852

19. Book reviews

    • John A. Chandler
    • T. Mayhew

    BookReview Pages: 853 - 856