1. Evidence for the evolutionary significance of developmental variation in an abundant protein of orthopteran muscle

   • D. J. Colgan

   OriginalPaper Pages: 81 - 85

2. Sequential study of the synaptonemal complex in Syrian hamster (Mesocricetus auratus) and mouse (Mus musculus) oocytes by light and electron microscopy

   • L. Freixa
   • M. Garcia
   • J. Egozcue

   OriginalPaper Pages: 87 - 97

3. The pachytene synaptonemal complex complement of the cat

   • C. B. Gillies
   • S. K. Cowan

   OriginalPaper Pages: 99 - 107

4. Construction and analysis of a two-chromosome double reciprocal translocation that functions as a ‘balancer’ inNeurospora crassa

   • J. F. Leslie

   OriginalPaper Pages: 109 - 119

5. Annual variation of enzyme polymorphism in four natural populations ofDrosophila melanogaster occupying different niches

   • A. Muñoz-Serrano
   • A. Alonso-Moraga
   • A. Rodero

   OriginalPaper Pages: 121 - 129

6. Genetic diversity among Plantagos V. Transmission of the additional chromosome in a triplo-4 individual ofPlantago lagopus L.

   • P. K. Sharma
   • A. Langer
   • A. K. Koul

   OriginalPaper Pages: 131 - 135

7. Genetic diversity among Plantagos VII. Nature of aneuploids in the progeny of aneutriploid x diploid plants ofPlantago lagopus L.

   • P. K. Sharma
   • A. Langer
   • A. K. Koul

   OriginalPaper Pages: 137 - 144

8. Population genetics of the parthenogenetic gall waspDiplolepis rosae (Hymenoptera, Cynipidae)

   • B. Stille

   OriginalPaper Pages: 145 - 151

9. Sequence of centromere separation: influence of pericentromeric heterochromatin (repetitive DNA) inMus

   • B. K. Vig
   • R. P. Zinkowski

   OriginalPaper Pages: 153 - 159