432 
Proteids, determination in cheese, 21, 
201. 
of butter, relation to mottles, 24, 
272, 278, 291. 
Protein, animal, for poultry, 23, 16, 31. 
as source of milk fat, 16, 518. 
balance in milch cow, 16, 514. 
effect of changes on milk flow, 20, 
64, 97. 
exchange, relation to milk produc- 
tion, 20, 49. ; 
stimulus on milk production, 16, 
Bio: 
supply and secretion of milk solids, 
relation, 16, 520. 
Proteolysis and carbon dioxide in cheese 
ripening, 22, 165. 
Proteolytic compounds in cheese and 
milk, estimation, 21, 194, 196, 
23. 
end products in chloroform cheese, 
22, 175; normal cheese, 22, 171. 
products, effect on cheese ripening, 
22, 263. 
Prucha, Martin J., appointment as As- 
sistant Bacteriologist, 22, 10; Assist- 
ant Bacteriologist, 22, VII; bulletins 
by, 23, 62, 24, 45, 25, 109. 
Pruning currants, 14, 299. 
gooseberries, 15, 337. 
raspberries and blackberries, 25, 
447, 
root, influence on root growth, 5, 
162. 
summer, of gooseberries, 15, 339. 
Prunus armeniaca, 14, 269, 270. 
Pscudomonas campestris, cause of cab- 
bage rot, 23, 62. 
radicicola, dessication on cotton, 
24, 82. 
Pseudonuclein. (See Paranuclein.) 
Psylla, pear, 14, 361; effect of sulphur 
washes on, 24, 818; notes and 
remedies, 23, 223; remedy for, 
14, 362. 
pyricola, notes on, 18, 448. 
Ptomaines in corn meal, 5, 339. 
Publications on fruit, plan for, 25, 11. 
Station notes on, 16, 10, 17, 22, 
18, 12, 24, 13, 25, 23. 
preparation of, 15, 14. 
Public sprayer, 24, 192. 
Puccinia. asparagi. (See 
rust. ) 
helianthi on sunflowers, 15, 456. 
malvacearum. (See Hollyhock dis- 
Asparagus 
ease. ) 
peckiana.. (See Orange rust.) 
suaveolens on Canada thistle, 3, 
385. 
Puff balls, composition, 6, 427, 465. 
INDEX TO First TWENTY-FIVE REPORTS. 
Pullets, nitrogenous and carbonaceous 
rations for, 8, 56. 
Pump, hot-air, 12, 6. 
Pumpkin, classification, 6, 243. 
description of varieties, 6, 245. 
index to varieties, 6, 268. 
notes on varieties, 6, 324. 
variety tests, 4, 221, 5, 241. 
Pumpkins, fertilizers for, 14, 111. 
Pumps, double acting, 22, 347. 
for bordeaux mixture, 12, 708. 
single acting, 22, 346. 
spray, description, 22, 345. 
two cylinder, 22, 347. 
Purchase of fertilizers, 14, 115. 
plant food, 17, 100, 102. 
Purchasing high-grade materials, 
vantage of, 14, 117. 
Pure materials, importance in spraying, 
10, 401. 
Purity, coefficient of, 16, 199. 
of solids in sugar beets, 16, 188, 
198. 
Purpose of Station, 1, 10. 
Purslane as a vegetable, 4, 220. 
Putrescine. (See Tetramethylenedia- 
mine.) 
Pyrethrum as an insecticide, 22, 342. 
home-grown, experiment with, 7, 
151. 
for plant lice, 16, 476. 
ad- 
Quality of apples, loss in storage, 23, 
271; cheese, improved by cold 
storage, 22, 231; milk, relation 
of food to, 16, 521; onions as 
affected by fertilizers, 20, 243; 
fertilizer for potatoes, 19, 224; 
sugar beet seed, 16, 194. 
Quicklime as indirect fertilizer, 14, 60. 
Quince blight, notes on, 3, 371, 14, 366. 
borer, 14, 367. ; 
curculio, notes on, 6, 315, 14, 368, 
18, 458. 
remedy for, 14, 368. 
diseases in the Hudson Valley, 18, 
212; notes on, 3, 871; notes 
on. black -rot of thevetnuity 
18, 456; blight, 18, 456; 
canker of the tree, 18, 456; 
fruit spot, 18, 456; leaf 
: blight, 18, 456; rust, 18, 
; 457. 
prevalence of, 19, 212. 
fruit-spot of, 14, 367. 
remedy for, 14, 367. 
fruit spotting, study of, 4, 275. 
insects, notes on borers, 18, 458; 
eodling moth, 18, 458; eurculio, 
18, 458. 
