1. Occurrence and behaviour of B chromosomes in Artemisia frigida Willd.

   • S. K. Bakshi
   • M. K. Kaul
   • V. George

   OriginalPaper Pages: 3 - 5

2. Influence of age on chiasma number in male Locusta migratoria

   • M. Diez
   • M. J. Puertas

   OriginalPaper Pages: 7 - 11

3. Chromosome inversion polymorphism in natural populations of Drosophila punjabiensis Parshad and Paika

   • J. P. Gupta
   • B. Bihari

   OriginalPaper Pages: 13 - 18

4. Cytogenetics of Zaprionus indianus Gupta (Diptera: Drosophilidae): Nucleolar organizer regions, mitotic and polytene chromosomes and inversion polymorphism

   • J. P. Gupta
   • A. Kumar

   OriginalPaper Pages: 19 - 25

5. The loss of Y-sperm in “sex ratio” (SR) males of Drosophila subobseura is compensated

   • E. Hauschteck-Jungen
   • W. Burkard
   • R. Burch-Schwaller

   OriginalPaper Pages: 27 - 30

6. Possible correlations of polypeptides and Balbiani rings in the salivary glands of Drosophila auraria Peng.

   • T. Manousis
   • C. D. Kastritsis

   OriginalPaper Pages: 31 - 40

7. C-banding in the polytene chromosomes of species of the plumosus group (Diptera, Chironomidae) and their experimental hybrids

   • P. Michailova

   OriginalPaper Pages: 41 - 51

8. Evolution of chromosome number in mealybugs (Pseudococcidae: Homoptera)

   • U. Nur
   • S. W. Brown
   • J. W. Beardsley

   OriginalPaper Pages: 53 - 60

9. Isolation of a series of chromosomal variants (2n=10 to 21) from an open-pollinated population of interspecific hybrids between Coix gigantea and Coix aquatica (Poaceae)

   • A. B. Sapre
   • D. S. Deshpande

   OriginalPaper Pages: 61 - 68

10. A cytogenetic study of four species of cockatoos and Amazon parrots

    • S. M. Schmutz
    • S. E. Prus

    OriginalPaper Pages: 69 - 71

11. Karyological studies of five species of land snails (Helicoidea: Mollusca)

    • R. Tatewaki
    • J. Kitada

    OriginalPaper Pages: 73 - 80