1. Observations on the extent and temporal stability of latitudinal clines for alcohol dehydrogenase allozymes and four chromosome inversions in Drosophila melanogaster

   • P. R. Anderson
   • W. R. Knibb
   • J. G. Oakeshott

   OriginalPaper Pages: 81 - 88

2. Cytogenetic mapping of marker genes on the chromosome elements C and E of Drosophila pseudoobscura and D. subobscura

   • I. Böhm
   • W. Pinsker
   • D. Sperlich

   OriginalPaper Pages: 89 - 101

3. The wild-weed-crop complex in Setaria: a hybridization study

   • H. Darmency
   • G. R. Zangre
   • J. Pernes

   OriginalPaper Pages: 103 - 107

4. Chromosome studies in nine species of Austrian Symphyla (Myriapoda, Tracheata, Arthropoda)

   • A. Fischer

   OriginalPaper Pages: 109 - 116

5. Supernumerary chromosomes in Tradescantia I. Meiotic behavior of three homologous isochromosomes

   • D. P. Hauber

   OriginalPaper Pages: 117 - 121

6. Standardized karyotypes for the greater Galagos, Galago crassicaudatus E. Geoffroy, 1812 and G. garnettii (Ogilby, 1838) (Primates: Prosimii)

   • J. C. Masters
   • R. Stanyon
   • D. Romagno

   OriginalPaper Pages: 123 - 129

7. Evolution of Sceloporus grammicus complex (Sauria: Iguanidae) in central Mexico II. Studies on rates of nondisjunction and the occurrence of spontaneous chromosomal mutations

   • C. A. Porter
   • J. W. Sites Jr.

   OriginalPaper Pages: 131 - 144

8. The chromosomes of Nycticebus coucang (Boddaert, 1785) (Primates: Prosimii)

   • R. Stanyon
   • J. C. Masters
   • D. Romagno

   OriginalPaper Pages: 145 - 152

9. Genetic differentiation among cottontails from isolated playa basins

   • R. A. Van Den Bussche
   • M. J. Hamilton
   • K. T. Scribner

   OriginalPaper Pages: 153 - 157