1. Chromosomal evolution in Primates: Tentative phylogeny from Microcebus murinus (Prosimian) to man

   • B. Dutrillaux

   Review Articles Pages: 251 - 314

2. Partial trisomy 3q

   • E. Yunis
   • L. Quintero
   • M. Leibovici

   Original Investigations Pages: 315 - 320

3. A case of 21q-syndrome with normal SOD-1 activity

   • Yoshifumi Yamamoto
   • N. Ogasawara
   • Y. Kuroki

   Original Investigations Pages: 321 - 327

4. Properties of residual catalase in the erythrocytes of Japanese-type acatalasemia

   • Masana Ogata
   • Junko Mizugaki

   Original Investigations Pages: 329 - 338

5. Familial transmission of preauricular fistula in a seven generation indian pedigree

   • V. Bhalla
   • S. Roy
   • A. S. Inam

   Original Investigations Pages: 339 - 341

6. Population genetic studies of the Aka Pygmies (Central Africa)

   • H. Vergnes
   • A. Sevin
   • G. Jaeger

   Original Investigations Pages: 343 - 355

7. International Symposium on “Trisomy 21” Rapallo (Genova), Italy, 8–10 November, 1979

   Note Pages: 357 - 357