1. Studies on non-inherited variation in crossing-over inDrosophila

   • Hideo Kikkawa

   OriginalPaper Pages: 329 - 348

2. The distribution of sex-factors in theX-chromosome ofDrosophila melanogaster

   • Th. Dobzhansky
   • Jack Schultz

   OriginalPaper Pages: 349 - 386

3. A cytological study of the genusSorghum pers

   • C. Leonard Huskins
   • Stanley G. Smith

   OriginalPaper Pages: 387 - 395

4. Chromosome division and pairing inFritillaria Meleagris: The mechanism of meiosis

   • C. Leonard Huskins
   • Stanley G. Smith

   OriginalPaper Pages: 397 - 406

5. Cytological studies in cotton

   • A. Skovsted

   OriginalPaper Pages: 407 - 424

6. The genetics ofNeurospora

   • Carl C. Lindegren

   OriginalPaper Pages: 425 - 435

7. The genetics of cotton

   • J. B. Hutchinson

   OriginalPaper Pages: 437 - 513