1. Some observations on after cooking blackening of the Irish potato

   • Premitha Weeratne
   • Erston V. Miller
   • Hugh J. Murphy

   OriginalPaper Pages: 39 - 45

2. The potato — its genetic and environmental variability

   • F. J. Stevenson
   • R. V. Akeley
   • C. E. Cunningham

   OriginalPaper Pages: 46 - 53

3. Pennchip, a new potato variety resistant to late blight and scab with superior chipping quality

   • W. R. Mills

   OriginalPaper Pages: 54 - 58

4. Internal sprouting of potatoes

   • R. L. Sawyer
   • S. L. Dallyn

   OriginalPaper Pages: 59 - 69

5. Dr. E. S. Clark retires

   • John C. Campbell

   Announcement Pages: 69 - 69

6. Call for papers

   • Charles E. Cunningham

   News and Reviews Pages: 70 - 70

7. Potato Association of America 1964 Committee Membership

   News and Reviews Pages: 70 - 71

8. Book review

   • Norman W. Tape
   • J. D. Harrington
   • R. R. Kunkel

   News and Reviews Pages: 72 - 73