1. Researches on animal chimaeras

   • V. Issayev

   OriginalPaper Pages: 273 - 354

2. Crosses with Siamese Cats

   • K. Tjebbes

   OriginalPaper Pages: 355 - 366

3. Colour inheritance in sheep

   • J. A. Fraser Roberts

   OriginalPaper Pages: 367 - 374

4. Hybrids of ⧫Raphanus sativus L. x ♂Brassica oleracea L.

   • G. D. Karpechenko

   OriginalPaper Pages: 375 - 396

5. Variation and species inCyanophyceae

   • W. B. Crow

   OriginalPaper Pages: 397 - 424