1. Regulation in the number of mdg-1 mobile elements in inbred Drosophila melanogaster

   • C. Biémont
   • C. Terzian

   OriginalPaper Pages: 161 - 165

2. Genic variation in the coyote, Canis latrans, in Tennessee, U.S.A.

   • M. J. Hamilton
   • M. L. Kennedy

   OriginalPaper Pages: 167 - 173

3. Temporal variation of Drosophila melanogaster Adh allele frequencies, inversion freqencies, and population sizes

   • W. R. Knibb

   OriginalPaper Pages: 175 - 190

4. Tissue specific isozyme expression in three species of icterinae (Aves: Emberizidae)

   • S. C. Lougheed
   • T. A. Drysdale

   OriginalPaper Pages: 191 - 197

5. The evolutionary history of Drosophila buzzatii XI. A new method for cytogenetic localization based on asynapsis of polytene chromosomes in interspecific hybrids of Drosophila

   • H. Naveira
   • C. Pla
   • A. Fontdevila

   OriginalPaper Pages: 199 - 212

6. The meiotic behaviour of the XY pair in Lutreolina crassicaudata (Marsupialia: Didelphoidea)

   • L. Roche
   • G. Seluja
   • R. Wettstein

   OriginalPaper Pages: 213 - 224

7. Specific decondensation of heterochromatic regions of Drosophila chromosomes-intrachromosomal and genomic control

   • A. F. Smirnov
   • O. G. Chiryaeya
   • A. V. Dukelskaya

   OriginalPaper Pages: 225 - 231

8. Book reviews

   • Cyril A. Clarke
   • Richard Gitzelmann
   • R. J. Wood

   BookReview Pages: 233 - 237