1. Nonhomologous synapsis of the XY during early pachynema in In(X)1H male mice

   • T. Ashley

   OriginalPaper Pages: 81 - 84

2. Structural rearrangements of chromosome Nr 8 involving 8q12—a primary event in pleomorphic ademona of the parotid gland

   • J. Bullerdiek
   • G. Raabe
   • W. Schloot

   OriginalPaper Pages: 85 - 92

3. Chromosomal evolution within the family Estrildidae (Aves) III. The Estrildae (waxbill finches)

   • L. Christidis

   OriginalPaper Pages: 93 - 100

4. Non-random associations between Lap and Pept-1 loci and gene arrangements of chromosome O in D. subobscura — experiments in laboratory populations

   • M. Loukas
   • Y. Vergini
   • C. B. Krimbas

   OriginalPaper Pages: 101 - 109

5. Variation of body size within and between wild populations of Drosophila buzzatii

   • F. W. Robertson

   OriginalPaper Pages: 111 - 125

6. Nature and distribution of heterochromatinized regions in the chromosomal races of Pycnogaster cucullata (Insecta, Orthoptera)

   • C. Sentis
   • J. Fernandez-Piqueras

   OriginalPaper Pages: 127 - 132

7. Gene frequencies in the domestic cats (Felis catus) of urban and rural Bordeaux

   • J. Symonds
   • A. T. Lloyd

   OriginalPaper Pages: 133 - 136

8. DNA composition in South American camelids I. Characterization and in situ hybridization of satellite DNA fractions

   • L. Vidal-Rioja
   • L. Semorile
   • J. Padrón

   OriginalPaper Pages: 137 - 146

9. Karyotypie diversity and taxonomic problems in the genus Arvicanthis (Rodentia, Muridae)

   • V. T. Volobouev
   • E. Viegas-Péquignot
   • B. Dutrillaux

   OriginalPaper Pages: 147 - 150

10. Experimental evidence for the adaptive value of sexual reproduction

    • H. G. Wolf
    • K. Wöhrmann
    • J. Tomiuk

    OriginalPaper Pages: 151 - 159