1. The physiology and biochemistry of rubber formation in plants

   • James Bonner
   • Arthur W. Galston

   OriginalPaper Pages: 543 - 596

2. Supernumerary chromonemal reproductions: Polytene chromosomes, endomitosis, multiple chromosome complexes, polysomaty

   • Albert P. Lorz

   OriginalPaper Pages: 597 - 624