1. RNA- synthesis inAcetabularia

   • H. G. Schweiger
   • W. L. Dillard
   • Sigrid Berger

   OriginalPaper Pages: 1 - 12

2. RNA-synthesis inAcetabularia

   • Sigrid Berger

   OriginalPaper Pages: 13 - 25

3. Das Endoplasmatische Retikulum vonDesmidiaceen im Phasenkontrast

   • W. Url

   OriginalPaper Pages: 26 - 48

4. The use of radioautography for investigating wall secretion in plant cells

   • J. D. Pickett-Heaps

   OriginalPaper Pages: 49 - 66

5. Structures in a blue-green alga resembling prolamellar bodies

   • Norma J. Lang
   • Peter M. M. Rae

   OriginalPaper Pages: 67 - 74

6. Fine structure ofPenicillium megasporum conidiospores

   • M. M. A. Sassen
   • C. Remsen
   • W. M. Hess

   OriginalPaper Pages: 75 - 88