1. The ultrastructure of holdfasts, “rhizoids”, and “slime tracks” in thraustochytriaceous fungi and Labyrinthula spp.

   • Frank O. Perkins

   OriginalPaper Pages: 95 - 118

2. l-Threonine dehydratase activity of axenically grown Hartmannella culbertsoni

   • M. K. Raizada
   • V. K. Mohan Rao

   OriginalPaper Pages: 119 - 128

3. On the mechanism of ballistospore discharge

   • C. B. van Niel
   • G. E. Garner
   • A. L. Cohen

   OriginalPaper Pages: 129 - 140

4. Physiological properties of the cladosarum-like mutant 22B of Aspergillus aureolatus

   • M. Muntanjola-Cvetković
   • M. Nešković

   OriginalPaper Pages: 141 - 152

5. Induction of isoenzymes of alcohol dehydrogenase in “flor” yeast

   • M.a J. Fernández
   • C. Gómez-Moreno
   • M. Ruiz-Amil

   OriginalPaper Pages: 153 - 160

6. On the replication of Escherichia coli DNA

   • Patricia M. Tessler
   • Linda J. Loos
   • William O. Salivar

   OriginalPaper Pages: 161 - 190