Index. 993 



Page. 



Officers of Board of Control V 



Oviposition of snowy tree cricket, plants for 474 



P. 



Paris green, results of inspection 715 



Parker, C. D., appointment and resignation as Assistant Chemist 10 



Parrott, P. J., bulletin by 452 



circular by 497 



Peach, Edgemont, description of 605 



Pear psylla, agencies decreasing 437 



banding trees for 442 



control of 938 



effect of fall spraying 439 



insecticides on eg£s 447 



eggs, susceptibility to sprays 443 



experiments in control 33 



" flies," habits and egg-laying of 427 



hibernating, effects of temperature on 428, 429, 431, 432, 433, 434 



history of spray treatment 424 



methods of treatment 448 



oviposition of 435 



susceptibility to spraying mixtures 422 



spraying experiments 439 



spring spraying 440 



Pears, experiments in ringing 619 



Pegomya brassicw (see Cabbage maggot). 

 Peridermium strobi (see Cronartium ribicola) . 



Periodicals received by Station 966 



Phosphate, ground rock, cost of plant food in 665 



dealers in 62 



Phosphates, cost of plant food in 659 



Phosphoric acid, organic, of cottonseed meal 321 



wheat bran 362 



reverted, sodium citrate for determination 293 



Phosphorus content of casein 300 



Phylloscclis atra (see Cranberry toad-bug). 



Phytic acid, composition of 344 



decomposition products 344 



properties 344 



Phytin, chemistry of 320 



in corn 339 



oats 329 



Pine blister-rust, overwintering of 231 



Pipettes for small milk samples 105 f 



