1. Intraspecific variation of DNA per cell between Picea sitchensis (Bong.) Carr. provenances

   • Jerome P. Miksche

   OriginalPaper Pages: 343 - 352

2. Nuclear DNA variation in Eu-Sorghums

   • R. S. Paroda
   • H. Rees

   OriginalPaper Pages: 353 - 363

3. Autoradiographic studies of the human Y chromosome

   • Ann P. Craig
   • Margery W. Shaw

   OriginalPaper Pages: 364 - 377

4. Chromatid structure: relationship between DNA content and nucleotide sequence diversity

   • Charles D. Laird

   OriginalPaper Pages: 378 - 406

5. Satellite DNA associated with heterochromatin in Rhynchosciara

   • Ronald A. Eckhardt
   • Joseph G. Gall

   OriginalPaper Pages: 407 - 427

6. Local protein accumulation during gene activation

   • Th. K. H. Holt

   OriginalPaper Pages: 428 - 435

7. A comparative chromosome study of twenty killifish species of the genus Fundulus (Teleostei: Cyprinodontidae)

   • T. R. Chen

   OriginalPaper Pages: 436 - 453

8. Erratum

   • Walter A. Nelson-Rees

   Erratum Pages: 454 - 454