1. Cytotaxonomy of the apocynaceae

   • F. M. Van der Laan
   • J. C. Arends

   OriginalPaper Pages: 3 - 35

2. The Lansing effect and age-mediated changes in genetic parameters

   • J. A. Beardmore
   • S. A. Shami

   OriginalPaper Pages: 37 - 46

3. Isolation of telotertiary compensating trisomics from telocentric translocation trisomics and telo-substituted translocation heterozygotes of rye (Secale cereale L.)

   • J. N. De Vries

   OriginalPaper Pages: 47 - 58

4. G-band homology and C-band variation in the Japanese mustelids,Mustela erminea nippon andM. sibirica itatsi

   • Y. Obara

   OriginalPaper Pages: 59 - 64

5. Study on the inheritance of the centric fusion in the blue fox,Alopex lagopus

   • M. Switoński

   OriginalPaper Pages: 65 - 68

6. Variations in C-banding patterns and DNA values in two scorpion-fishes (Scorpaena porcus andS. notata, Teleostei)

   • G. Thode
   • M. C. Alvarez
   • V. Giles

   OriginalPaper Pages: 69 - 74

7. Book reviews

   • Francisco J. Ayala
   • Francesco M. Scudo

   BookReview Pages: 75 - 80