1. Demonstration of the neural crest origin of type I (APUD) cells in the avian carotid body, using a cytochemical marker system

   • A. G. E. Pearse
   • J. M. Polak
   • N. Le Douarin

   OriginalPaper Pages: 191 - 203

2. Submicroscopic localization of acid phosphatase in the dental cyst epithelium

   • J. Hornová
   • M. Kukletová

   OriginalPaper Pages: 205 - 210

3. Autoradiographische Untersuchungen über die zelluläre Verteilung von Cäsium-134 in der Skelettmuskulatur von Mäusen

   • L. Szentkuti
   • W. Giese

   OriginalPaper Pages: 211 - 216

4. Histochemical correlates of changes in the primate brain associated with varying environmental light conditions

   • Sohan L. Manocha
   • Adrian A. Perachio

   OriginalPaper Pages: 217 - 225

5. Evidence for the presence of DNA in the centrosomal plaques of Ascobolus

   • D. Zickler

   OriginalPaper Pages: 227 - 238

6. Beziehungen zwischen Polyaminen und Nucleinsäuren

   • M. L. Barros Margolles
   • H. A. Fischer
   • G. Werner

   OriginalPaper Pages: 239 - 247

7. Histochemical tests on lipids in the oral and skin epithelia in the mouse

   • Bengt C. Magnusson
   • Guy Heyden
   • Tore Arwill

   OriginalPaper Pages: 249 - 256

8. Localization of histones and their synthesis by ammoniacal silver reaction in meristematic root tip cells of Allium cepa

   • O. K. Haapala
   • Tuire Nygrén

   OriginalPaper Pages: 257 - 264

9. Electron-cytochemical demonstration of acid phosphatase and thiolacetic acid-esterase activity in granular structures of the phagotrophic slime mold, Physarum confertum Macbr.

   • L. Bauer

   OriginalPaper Pages: 265 - 269

10. Intracellular distribution of arylsulphatase activity in adrenal cortical cells of the rat

    • Gy. Rappay
    • L. Kondics
    • E. Bácsy

    Short Communication Pages: 271 - 274