Vlll 



PAGE 



Disease 



Micro-Photographs of ... ... ... . . 1 44 



Moulding up to Check ... ... ... ... 146 



Peronospora infestans ... ... ... ... 129 



Perpetuation of ... ... ... .134 



Phytophthora infestans ... ... ... .129 



Scab ' ... 166 



Sea Blight ... ... ... ... ... ... 177 



Tuberania scabies ... ... ... ... ... 1 66 



Power of Resisting ... ... ... ... 100 



Spread of ... ... ... ... . . 137 



The Potato ... ... ... ... ... 129 



Wet Rot ... 168 



Division of Varieties 



by Colour ... ... ... ... .'. . 108 



by Ripening Period ... ... ... ... 106 



by Shape 106 



Drainage ... .. ... ... ... .... 21 



Drill System ... ... ... ... 23 



Earlies .. ... .. .. 109 



Second ... ... ... 109, 113 



Early Market Favourite ... I.. 112 



Effect of Cultivation ... ... ... ; ... 6 



Experiments 



at Cardington ... ... ... ... ... 58,152 



in Ireland ... ... ... ... ... 151 



Lord Clonbrock's ... ... ... ... 163 



with Thirty-six Notable Varieties ... ... 118 



with Scotch Varieties ... ... ... .. 121 



M. Girard's ... ... .. ... 80, 83 



at Warminster ... ... ... 67, 144 



with Bouillie Bordelaise ... ..,,/ ... ... 151 



Eyes, Depth and Frequency of ... '.?.. '' t ... 102 



Farmyard Manure ... ... ... ... :.?.. 65,68,69 



Feeding Damaged Potatoes... ... ''...-' ... 210 



Feeding Value ... ... ... ... ... ... 205 



Findlay, Mr. ... ... ... ... 12 



Flat System .. ... ... j ... ... 23,24,123 



Flooding, Effects of ... ... ... . ... 91 



Formation of Tubers ... ... ... ... 7 



Frost, Injury by ... ... ... ... ... ... 176 



Fusisporum roseoluni ... ... ... ... ... 165 



Fusisporum solani ... ... ... ... ... ... 165 



Garden, Potatoes in ... ... ... ... ... 51 



Girard, M. ... ... ... ., ... ... 83,129 



Guano 72 



