1. Variation for improved protein and yield from rice anther culture

   • G. W. Schaeffer
   • F. T. Sharpe Jr.
   • P. B. Cregan

   OriginalPaper Pages: 383 - 389

2. Book reviews

   • S. J. Geerts
   • H. F. Linskens

   BookReview Pages: 390 - 390

3. Age changes in genetic and environmental variation in laying hens

   • L. E. Liljedahl
   • J. S. Gavora
   • R. S. Gowe

   OriginalPaper Pages: 391 - 401

4. Book review

   • J. F. Jackson
   • Glen Osmond

   BookReview Pages: 402 - 402

5. Effects of mating system in Japanese quail

   • M. D. MacNeil
   • D. D. Kress
   • R. L. Blackwell

   OriginalPaper Pages: 403 - 406

6. Effects of mating system in Japanese quail

   • M. D. MacNeil
   • D. D. Kress
   • R. L. Blackwell

   OriginalPaper Pages: 407 - 412

7. Unusual cytological patterns in microsporogenesis in a cultivar of Fuchsia

   • J. P. Tilquin
   • K. de Brouwer
   • F. Horvat

   OriginalPaper Pages: 413 - 417

8. Book reviews

   • D. van Vleck
   • K. Esser

   BookReview Pages: 418 - 418

9. Studies on the crossability relationships of some spinous Solanums

   • S. V. Rao
   • B. G. S. Rao

   OriginalPaper Pages: 419 - 426

10. Selection of amitrole tolerant tobacco calli and the expression of this tolerance in regenerated plants and progeny

    • S. R. Singer
    • C. N. McDaniel

    OriginalPaper Pages: 427 - 432

11. Molecular analysis of genomic stability of mitochondrial DNA in tissue cultured cells of maize

    • J. W. McNay
    • P. S. Chourey
    • D. R. Pring

    OriginalPaper Pages: 433 - 437

12. Book review

    • F. H. Herrmann

    BookReview Pages: 438 - 438

13. Wheat microspore embryogenesis during in vitro anther culture

    • Y. Henry
    • J. De Buyser
    • C. Ory

    OriginalPaper Pages: 439 - 442

14. Heritable somaclonal variation in wheat

    • P. J. Larkin
    • S. A. Ryan
    • W. R. Scowcroft

    OriginalPaper Pages: 443 - 455

15. Book reviews

    • H. F. Linskens
    • H. Abplanalp

    BookReview Pages: 456 - 456

16. Chiasma distribution in rye chromosomes of diploid rye and in wheat/rye addition lines in relation to C-heterochromatin

    • E. -M. Drögemüller
    • T. Lelley

    OriginalPaper Pages: 457 - 461

17. Announcements

    Announcement Pages: 462 - 462

18. Flow-cytometric characterization and sorting of plant chromosomes

    • A. M. M. de Laat
    • J. Blaas

    OriginalPaper Pages: 463 - 467

19. Characterization of anther differentiation in cytoplasmic male sterile maize using a specific isozyme system (esterase)

    • A. G. Abbott
    • C. C. Ainsworth
    • R. B. Flavell

    OriginalPaper Pages: 469 - 473

20. The relationship between a nuclear restorer gene and the nuclear gene for male sterility in Petunia

    • D. Evenor
    • A. Guri
    • S. Izhar

    OriginalPaper Pages: 475 - 478