1. Cytological observations inCoffea. III

   • C. A. Krug

   OriginalPaper Pages: 399 - 414

2. The comparative genetics ofDrosophila pseudoobscura andD. melanogaster

   • A. H. Sturtevant
   • C. C. Tan

   OriginalPaper Pages: 415 - 432

3. The behaviour of vermilion and orange eye colours in transplantation inDrosophila pseudoobscura

   • C. C. Tan
   • D. F. Poulson

   OriginalPaper Pages: 433 - 435

4. On the occurrence of “Crinkled Dwarf” inGossypium hirsutum L

   • J. B. Hutchinson
   • R. L. M. Ghose

   OriginalPaper Pages: 437 - 446

5. Inversions inFritillaria

   • O. H. Frankel

   OriginalPaper Pages: 447 - 462

6. The growth and proportions of the rabbit’s ear in relation to body weight

   • George Dunlop
   • John Hammond

   OriginalPaper Pages: 463 - 477

7. A study of mutations in evolution

   • R. Cumming Robb

   OriginalPaper Pages: 477 - 486

8. Genetical studies inCentaurea scabiosa L. andCentaurea collina L

   • E. M. Marsden-Jones
   • W. B. Turrill

   OriginalPaper Pages: 487 - 495

9. Artificial gynandromorphism and plumage inPhasianus

   • C. H. Danforth

   OriginalPaper Pages: 497 - 506