Commercial Production and Processing of Black and Persian Walnuts--Edwin L. Lemke 71 Black Walnut Processing at Henderson, Kentucky--R. C. Mangelsdorf 73 Nut Shells: Assets or Liabilities--T. F. Clark 77 The Propagation of Hickories--Panel discussion led by F. L. O'Rourke 81 A Promising New Pecan for the Northern Zone--J. W. McKay and H. L. Crane 89 The Hickory in Indiana--W. B. Ward 91 The Merrick Hybrid Walnut--P. E. Machovina 93 Producing Quality Nuts and Quality Logs--L. E. Sawyer 94 Colchicine for Nut Improvement Programs--O. J. Eigsti and R. B. Best 99 An Early Pecan and Some Other West Tennessee Nuts--Aubrey Richards 101 Scab Disease in Eastern Kentucky on Busseron Pecan--W. D. Armstrong 102 Further News about Oak Wilt--E. A. Curl 102 Life History and Control of the Pecan Spittle Bug--Stewart Chandler 106 Insect Enemies of Northern Nut Trees--Howard Baker 112 Tuesday Evening Banquet Session Resolutions and Election of Officers 118 Chestnut Breeding--Arthur H. Graves and Hans Nienstaedt 120 Effect of Vermiculite in Inducing Fibrous Roots on Tap Rooting Tree Seedlings--Herbert C. Barrett and Toro Arisumi 131 Eastern Black Walnut Survey 1951--H. F. Stoke 133 Crath's Carpathian English Walnuts in Ontario--P. C. Crath 136 Nut Tree Plantings in Southeastern Iowa--Albert B. Ferguson 146 Rockville as a Hickory Interstock--Herman Last 147 A Fruitful Pair of Carpathian Walnut Varieties in Michigan--Gilbert Becker 147 Suggested Blooming Data to be Recorded for Nut Tree Varieties--J. C. McDaniel 148 Note on Chinese Chestnuts--Harwood Steiger 149 Scott Healey--An Obituary 149 A Letter from Dr. W. C. Deming 150 Sweepstakes Award in Ohio Black Walnut Contest--L. Walter Sherman 152 Attendance Record, Rockport, Ind. 1952 156 Membership List--Northern Nut Growers Association 158 Officers for 1952-53 President Richard B. Best, Eldred, Illinois