474 Index. 



PAGE 



Phytophthora infestans, cause of late blight in potatoes 158 



Pink rot, decay similar to 109 



Piston, packing 370 



Plant food, cost in acid phosphate 397 



bone meal 398 



different grades of fertilizer 395 



purchase of 400 



Poison, use in Bordeaux mixture on potatoes 159 



Potash, cost in muriate 399 



Potassium sulphide solution 333 



Potato blight, late, due to Phytophthora infestans 157, 158 



nature, of 157 



crop in New York, condition in 1903 156 



spraying as crop insurance 151 



experiments 117 



cooperative 133 



at Charlotte 147 



at Phelps 136, 140, 143 



at Southampton 134 



at West Rush 146 



in 1903, results 124 



1902, summary 119 



summary of work 26 



Potatoes, causes of failure in spraying 152 



directions for spraying 161 



experimental, details of culture 1 19 



use of poison in Bordeaux mixture on 159 



Precipitation, monthly, for twenty-two years 456 



Processing peas, temperature 79 



Production of apples, effect of thinning 313 



Products in cheese ripening, transient and cumulative 262 



Profitableness of thinning apples 318 



Proteolysis and carbon dioxide in cheese ripening 165 



Proteolytic end products in chloroform cheese I7S 



normal cheese 171 



products, effect on cheese ripening 263 



Prucha, Martin, appointment as assistant bacteriologist 10 



Pumps, double acting 346 



single acting 346 



spray, description 345 



two cylinder 347 



Putrescine in normal cheese I74 



Pyrethrum as an insecticide 342 



Q. 



Quality of cheese, improved by cold storage 231 



