1. The partial sex-linkage of recessive spastic paraplegia

   • J. B. S. Haldane

   OriginalPaper Pages: 141 - 147

2. The relative importance of principal and modifying genes in determining some human diseases

   • J. B. S. Haldane

   OriginalPaper Pages: 149 - 157

3. Variation and selection of polygenic characters

   • K. Mather

   OriginalPaper Pages: 159 - 193

4. The induction of chromosome losses inDrosophila sperm and their linear dependence on dosages of irradiation

   • G. Pontecorvo

   OriginalPaper Pages: 195 - 215

5. Intergeneric hybrids ofSaccharum

   • E. K. Janaki-Ammal

   OriginalPaper Pages: 217 - 253

6. The effect of sex on the spontaneous mutation rate inDrosophila melanogaster

   • Charlotte Auerbach

   OriginalPaper Pages: 255 - 265

7. “Pigtail,” a hereditary tail abnormality in the house mouse,Mus musculus

   • F. A. E. Crew
   • Charlotte Auerbach

   OriginalPaper Pages: 267 - 274

8. The activity of inert chromosomes inZea mays

   • C. D. Darlington
   • M. B. Upcott

   OriginalPaper Pages: 275 - 296

9. Spontaneous chromosome change

   • C. D. Darlington
   • M. B. Upcott

   OriginalPaper Pages: 297 - 338

10. The genetics ofAquilegia vulgaris

    • Brenhilda Schafer

    OriginalPaper Pages: 339 - 347

11. The sex-determining mechnanism of the earwig,Forficula auricularia

    • H. G. Callan

    OriginalPaper Pages: 349 - 374

12. The genetical and mechanical properties of the sex chromosomes

    • P. C. Koller

    OriginalPaper Pages: 375 - 389

13. The genetics of blackarm resistance

    • R. L. Knight
    • T. W. Clouston

    OriginalPaper Pages: 391 - 409

14. Meiosis in diptera. I

    • C. Ronald Ribbands

    OriginalPaper Pages: 411 - 442