1. The karyograms of some Falconiformes and Strigiformes

   • Aristeo Renzoni
   • Maria Vegni-Talluri

   OriginalPaper Pages: 133 - 150

2. The W chromosome in the females of two Indian species of birds

   • S. P. Ray-Chaudhuri
   • R. Ray-Chaudhuri
   • T. Sharma

   OriginalPaper Pages: 151 - 154

3. Karyotype stability and DNA variability in the Acrididae

   • B. John
   • G. M. Hewitt

   OriginalPaper Pages: 155 - 172

4. The effects of X-rays on the chromosomes of locust embryos

   • D. P. Fox

   OriginalPaper Pages: 173 - 194

5. The chromosomal complement of blastomeres in Arbacia punctulata

   • James German

   OriginalPaper Pages: 195 - 201

6. Controle de validite des caryogrammes application au caryotype de lolium perenne L.

   • S. Essad
   • J. Arnoux
   • Nicole Maia

   OriginalPaper Pages: 202 - 220

7. Chromosome fibers studied by a spreading technique

   • Joseph G. Gall

   OriginalPaper Pages: 221 - 233

8. Fine structure of meiotic chromosomes comparative study of nine species of insects

   • J. Roberto Sotelo
   • Rodolfo Wettstein

   OriginalPaper Pages: 234 - 250

9. Radiation induced asynaptic mutations in durum wheat (Triticum durum DESF.)

   • G. Martini
   • A. Bozzini

   OriginalPaper Pages: 251 - 266