1. Cytogenetic and histologic analyses of spontaneous abortions

   • M. Geisler
   • J. Kleinebrecht

   Original Investigations Pages: 239 - 251

2. Twins and Q-banded chromosome polymorphisms

   • Ardythe A. McCracken
   • Patricia A. Daly
   • A. M. Clark

   Original Investigations Pages: 253 - 258

3. Systematic analysis of 95 reciprocal translocations of autosomes

   • A. Aurias
   • M. Prieur
   • J. Lejeune

   Original Investigations Pages: 259 - 282

4. Identity of euchromatic bands from man to Cercopithecidae

   • B. Dutrillaux
   • E. Viegas-Pequignot
   • G. Chauvier

   Original Investigations Pages: 283 - 296

5. Studies on H-Y antigen in different cell fractions of the testis during pubescence

   • Maria Teresa Zenzes
   • U. Müller
   • U. Wolf

   Original Investigations Pages: 297 - 303

6. A genetic study of two French Guiana Amerindian populations

   • P. Tchen
   • E. Bois
   • J. Feingold

   Original Investigations Pages: 305 - 315

7. A genetic study of two French Guiana Amerindian populations

   • Paul Tchen
   • Jeanine Séger
   • Nicole Feingold

   Original Investigations Pages: 317 - 326

8. A rare PGM₁ variant in Chilean Aymara Indians

   • J. A. van der Does
   • P. Rubinstein
   • P. Meera Khan

   Short Communications Pages: 327 - 329

9. XO/XY mosaicism and non-fluorescing Y chromosome in a male

   • B. W. Richards
   • A. Stewart

   Clinical Case Reports Pages: 331 - 338

10. Partial trisomy of the long arm of chromosome 1 due to a familial translocation t(1;10)(q32;q26)

    • Aldo Bonfante
    • Mario Stella
    • Giovanni Rossi

    Clinical Case Reports Pages: 339 - 343

11. Partial distal trisomy 13q resulting from familial reciprocal 5/13 translocation

    • S. Yanagisawa
    • H. Yokoyama
    • N. Agena

    Clinical Case Reports Pages: 345 - 350

12. Partial deletion of the X chromosome in gonadal dysgenesis 46,X,del(X)(p22) identified by BUdR treatment

    • P. Petrinelli
    • A. Antonelli
    • B. Nicoletti

    Clinical Case Reports Pages: 351 - 354

13. Unstable telocentric chromosome produced after centric misdivision of a 21q/21q translocated element

    • Ginevra Guanti
    • Filippo Maritato

    Clinical Case Reports Pages: 355 - 362

14. Hageman (factor XII) locus on 7q?

    • Uta Francke

    Letter to the Editors Pages: 363 - 367