1. Differential anaphase-I behaviour between wheat and rye univalents in triticale-wheat hybrid plants

   • E. Benavente
   • J. Orellana

   OriginalPaper Pages: 161 - 166

2. Genetic analysis of Drosophila melanogaster in the French West Indies and comparison with populations from other parts of the world

   • P. Capy
   • J. R. David
   • A. Kermarec

   OriginalPaper Pages: 167 - 176

3. Cytological analysis of the effect of treatments visualizing the chromosome core on non-histone nuclear proteins

   • L. Cipriani
   • M. Di Castro
   • A. Rocchi

   OriginalPaper Pages: 177 - 181

4. Effects of different supernumerary segments on chiasma distribution of the polymorphic species Chorthippus jucundus (Orthoptera: Acrididae)

   • C. Garcia de la Vega
   • J. Gosalvez
   • J. S. Rufas

   OriginalPaper Pages: 183 - 190

5. The cytotaxonomy of Simulium sanctipauli and Simulium soubrense (Diptera: Simuliidae)

   • R. J. Post

   OriginalPaper Pages: 191 - 207

6. Studies on enzymatic polymorphism in rye (Secale cereale L.) cultivars

   • L. Ramirez
   • G. Pisoharro

   OriginalPaper Pages: 209 - 212

7. The influence of heat shock on the puffing pattern of Drosophila auraria polytene chromosomes

   • Z. G. Scouras
   • G. A. Karamaplidou
   • C. D. Kastritsis

   OriginalPaper Pages: 213 - 218

8. De l'optimisation du nombre de variables morphologiques dans la discrimination entre populations (le cas de l'aile chez Drosophila melanogaster)

   • C. Terzian

   OriginalPaper Pages: 219 - 225

9. Genetic control of the oil content in Thymus vulgaris L: a case of polymorphism in a biosynthetic chain

   • Ph. Vernet
   • R. H. Gouyon
   • G. Valdeyron

   OriginalPaper Pages: 227 - 231

10. Book reviews

    • J. C. Mounolou
    • M. Wegnez
    • Jacques Ruffié

    BookReview Pages: 233 - 236