1. Lysosomal cytochemistry in marine environmental monitoring

   • Michael N. Moore

   Editorial Review Pages: 187 - 191

2. Changes induced by progesterone treatment in the sulphatides of the frog oviduct

   • L. Vitaioli
   • E. Baldoni
   • L. Bolognani

   Papers Pages: 192 - 196

3. Immunohistochemical localization of rhodanese

   • D. M. Sylvester
   • C. Sander

   Papers Pages: 197 - 200

4. A system of interlacunar network and thick fibrils in human hyaline cartilage

   • W. S. Hwang
   • J. Hugh
   • K. Ngo

   Papers Pages: 201 - 208

5. In vivo bromodeoxyuridine incorporation in normal mouse kidney: Immunohistochemical detection and measurement of labelling indices

   • Helen Robertson
   • Janice Wheeler
   • A. R. Morley

   Papers Pages: 209 - 214

6. New membrane assembly in IgE receptor-mediated exocytosis

   • E. A. Schmauder-Chock
   • S. P. Chock

   Papers Pages: 215 - 226

7. Intracellular turnover of Fluorescein diacetate. Influence of membrane ionic gradients on Fluorescein efflux

   • E. Prosperi

   Papers Pages: 227 - 233

8. Ultrastructural localization of Interleukin 1 in human peripheral blood monocytes; evidence for IL-1β in mitochondria

   • J. E. Beesley
   • R. Bomford
   • J. A. Schmidt

   Papers Pages: 234 - 244

9. News and views

   • Peter J. Stoward

   News Pages: 245 - 246

10. Erratum

    • Brandes G.
    • E. Reale

    Erratum Pages: 247 - 247