1. Sir Francis Knowles

   • Wolfgang Bargmann
   • Donald S. Farner
   • Heintz Götze

   Announcement Pages: i - iii

2. Histochemistry of autonomic nerves in wing vessels of Pteropus giganteus (flying-fox), and the effects of denervation

   • L. Edvinsson
   • H. J. Huggel
   • J. G. Peristiany

   OriginalPaper Pages: 1 - 11

3. The ultrastructure of the human fetal pineal gland

   • Morten Møller

   OriginalPaper Pages: 13 - 30

4. Morphometric analysis of the midgut of female Aedes aegypti (L.) (insecta, diptera) under various physiological conditions

   • Hermann Hecker
   • Reto Brun
   • Peter H. Burri

   OriginalPaper Pages: 31 - 49

5. An ultrastructural analysis of myelin in the central nervous system of an amphibian

   • M. Kemali

   OriginalPaper Pages: 51 - 67

6. A morphometric study of the pituitary cell types in the freshwater stickleback, Gasterosteus aculeatus, form leiurus

   • Michael Benjamin

   OriginalPaper Pages: 69 - 92

7. Seasonal changes in the prolactin cell of the pituitary gland of the freshwater stickleback, Gasterosteus aculeatus, form leiurus

   • Michael Benjamin

   OriginalPaper Pages: 93 - 102

8. A cytochemical and autoradiographic study of oocyte nucleoli in Limnaea stagnalis L.

   • Leokadia Kiełbówna
   • Bogusław Kościelski

   OriginalPaper Pages: 103 - 111

9. Ultrastructural studies on the development of the nerve supply in the rabbit pars intermedia

   • Prasad Chatterjee

   OriginalPaper Pages: 113 - 128