1. Comparative karyotype studies between Spanish and French populations of Eliomys quercinus L.

   • J. J. Arroyo Nombela
   • C. Rodriguez Murcia
   • F. Hiraldo

   OriginalPaper Pages: 161 - 166

2. Inversion polymorphism and incipient speciation in Anopheles gambiae s.str. in The Gambia, West Africa

   • J. H. Bryan
   • M. A. Di Deco
   • M. Coluzzi

   OriginalPaper Pages: 167 - 176

3. Colour polymorphism and genetic variation in Idotea baltica populations from the Adriatic Sea and Baltic Sea

   • H.-P. Buinheim
   • G. Faya

   OriginalPaper Pages: 177 - 190

4. Electrophoretic variability in natural populations of Drosophila melanogaster and Drosophila simulans

   • V. M. Cabrera
   • A. M. González
   • A. Gullón

   OriginalPaper Pages: 191 - 201

5. On the maintenance of the polymorphism at the ref(2)P locus in populations of Drosophila melanogaster

   • A. Fleuriet
   • M. C. Vazeille

   OriginalPaper Pages: 203 - 210

6. Genome analysis of ground squirrels of the genus Citellus (Rodentia, Sciuridae) I. DNA reassociation kinetics and genome size of eight species

   • L. K. Ginatulina
   • A. A. Ginatulin
   • N. N. Vorontsov

   OriginalPaper Pages: 211 - 221

7. Genotype-dependent effect of B-chromosomes on chiasma frequency in Eyprepocnemis plorans (Acrididae: Orthoptera)

   • N. Henriques-Gil
   • J. L. Santos
   • R. Giraldez

   OriginalPaper Pages: 223 - 227

8. Chromosomal studies of cross-sterile and cross-fertile sorghum, Sorghum bicolor (L.) moench

   • P. B. Kirti
   • U. R. Murty
   • N. G. P. Rao

   OriginalPaper Pages: 229 - 232

9. Location of a gene conferring resistance to knockdown by permethrin and bioresmethrin in adults of the BKPM3 strain of Aedes aegypti

   • C. A. Malcolm
   • R. J. Wood

   OriginalPaper Pages: 233 - 237