1. Notice

   • Howard J. Teas

   Announcement Pages: 121 - 122

2. Pre-historic cucurbits from the Valley of Oaxaca

   • Thomas W. Whitaker
   • Hugh C. Cutler

   OriginalPaper Pages: 123 - 127

3. The origin and domestication ofSorghum bicolor

   • J. M. J. De Wet
   • J. R. Harlan

   OriginalPaper Pages: 128 - 135

4. Some senoi semai planting techniques

   • R. K. Dentan

   OriginalPaper Pages: 136 - 159

5. Critical identification of Mexican archaeological cotton remains

   • C. Earle Smith
   • S. G. Stephens

   OriginalPaper Pages: 160 - 168

6. Germ plasm resources of the genus zinnia L.

   • H. N. Metcalf
   • J. N. Sharma

   OriginalPaper Pages: 169 - 181

7. Ariocarpus retusus, the “False Peyote” of huichol tradition

   • Peter T. Furst

   OriginalPaper Pages: 182 - 187

8. Assumed gene centers of peanuts and soybeans

   • E. E. Leppik

   OriginalPaper Pages: 188 - 194

9. Interspecific hybridization in cucumis

   • John R. Deakin
   • G. W. Bohn
   • Thomas W. Whitaker

   OriginalPaper Pages: 195 - 211

10. Book reviews

    • James G. Gosselink
    • Shirley Tucker
    • J.F.M.

    BookReview Pages: 212 - 220