Index. 811 



Page. 



Plant food, necessary supply of for production 255 



lice, natviral enemies of 368 



nature of injury 365 



on apple trees, control of 30, 365 



spraying for control of 368 



nutrition, studies in 235, 255 



Plants, ability to use phosphoric acid 238 



Plastering stable, effect on germ content of milk 63 



Plum curculio 377 



Plums, new varieties described 447 



Popular bulletins, reprints of 725 



Porthetria dispar on apple trees 3S0 



Potato blight, effect of winter on 770 



late blight fungus, persistence in soil 25, 180 



Potatoes, effect of humidity on injury by formaldehyde 203 



quantity on injury by formaldehyde 191 



temperature on formaldehyde injury 205 



efficiency of formaldehyde in disinfection of 217 



formaldehyde gas treatment of 215 



injured by formaldehyde gas 185, 188 



Precipitation records 801 



Pruning, summer, effect on currant cane necrosis 143, 151 



Psylla, pear (see Pear psylla). 



Publications of Station, character 13 



Publications issued during year 33 



R. 



Rabbits in orchard 481 



Rainfall by months, 18S2 to 1913 801 



Ralls group of apples 391 



Rambo group of apples 391 



Rape, plant food used by 261, 263, 265, 268 



Raspberries, new varieties described 453 



Red Astrachan group of apples 391 



Red bugs on apple 374 



Reinette group of apples 391 



Rennin, action on casein 2S0 



Report of Department of Bacteriology 37 



Botany 143 



Chemistry .' 235 



Entomology 287 



Horticulture 385 



Director 9 



Treasurer 1 



on inspection work 483 



