NEw YorK AGRICULTURAL EXPERIMENT STATION. 
Peptones in cheese, determination, 21, 
202. 
in milk, determination, 21, 215. 
value of reagents in separating from 
amido-acid compounds, 21, 210. 
Percolation, influence of atmospheric 
pressure on, 6, 102. 
of soil water, 4, 321, 9, 391. 
Periodical cicada. (See Cicada, periodi- 
cal.) 
Periodicals received at Station, 7, 48, 8, 
49, 9, 119, 10, 15, 12, 204, 14, 239, 
Sb 602. 16, 26, 27,. 38; 18, 25, 19, 
461, 20, 403, 21, 441, 22, 449, <a, 
429, 24, 379, 25, 455. 
Permanency of alfalfa, 16, 559. 
Pernicious scale (see San José scale). 
Peronospora gangliformis (see Lettuce 
mildew). 
viticola (see Grape downy mildew). 
Peru, potato spraying experiment at, 24, 
126. 
Peruvian guano, 14, 71. 
Petrie, H., cheeses made by, 22, 223. 
Petroleum, crude (see Crude petroleum). 
Pettit, P. H., potato spraying experi- 
ment, 24, 117. 
Phalaris arundinacea (see Reed canary 
grass), 
Phenolphthalein, as an 
liability, 25, 18, 285. 
Phenyle, Little’s soluble, as insecticide, 
Doe. 
Phleum pratense (see Timothy). 
Phoma causing raspberry cane blight, 
18, 214. 
on snapdragon, 19, 66. 
Phorbia, notes on, 18, 461. 
Phorodon humuli on plums, 16, 485. 
Phosphate of lime, insoluble, 14, 65; re- 
verted, 14, 66. 
Phosphates, chemical differences of, 14, 
67. 
Phosphatie guanos, phosphoric acid in, 
14, 69. 2 
Phosphorie acid, abundance of, when in- 
dicated by crops, 14, 85; amount ap- 
plied and removed by two crops of 
potatoes, 15, 115, 116; available, 
meaning of, in analysis of fertilizers, 
10, 406; commercial names for, in 
fertilizers, 15, 212; fertilizing mate 
vials containing, 14, 65, 71; fixation 
py soil, 4, 351; from phosphate rock, 
solubility in soil, 4, 352; in apatite, 
14, 71; in bone-ash, 14, 68, 71; in 
bone-black, 14, 68, 71; in bones, 14, 
68, 71; in Caribbean guano, 14, 71, 
in castor-bean pomace, 14, 63; In 
commercial materials, 10, 417; in 
cottonseed-meal, 14, 62; in Cuba 
guano, 14, 71; in fertilizers, 16, 32, 
indicator, re- 
425 
Phosphoric acid — Continued. 
1386; .in Florida rock, 14, 71; in 
Florida soft phosphate, 14, 71; in 
hoof-meal, 14, 638; in horn-dust, 14, 
63; in Keystone concentrated phos- 
phate, 14, 71; in Mona Island guano, 
14, 71; in Navassa phosphate, 14, 71; 
{n Orchilla guano, 14, 71; in phos- 
phatic guanos, 14, 69, 71; in rock 
phosphates, 14, v9, 71; in soil, 14, 
57; in South Carolina rock, 14, 71; 
in sugar beets, 16, 195; in superphos- 
phates, 14, 69, 71; in Thomas slag, 
14, 70, 71; in wood-ashes, 14, 73; 
insoluble, defined, 10, 406; loss from 
soil, 14, 57; meaning of, in analysis 
of fertilizers, 10, 405; movement in 
soil, 4, 849; provisions of fertilizer 
law in reference to, 15, 133; total, 
detined, 10, 406; used by apple trees, 
24, 358; used by frut trees, 24, 360; 
used by pear trees, 24, 362; used by 
plum: trees, 24, 363; used by quince 
trees, 24, 365. 
Phosphorus, action in plants, 14, 53. 
Phosphorus compound in wheat bran, 
composition, 23, 116; isolation, 23, 
125 nature; 23; 5194114: 
Phosphorus compounds, effects on milch 
cows, 25, 56. 
similar to that in wheat bran, 
23, 116. 
description, etc., 14, 44. 
in feeds, experiments with, 25, 14. 
in germinated grains, 22, 286. 
metabolism, review of, 25, 56. 
methods of determination, 22, 275. 
relation to fertilizers, 14, 50. 
separation of organic and inorganic, 
22, 277. 
status in food materials, 22, 29, 
274. 
Phosphotungstic acid-sulphurie acid 
method for peptones, 21, 203. 
Phyllachora pomigena, notes on, 18, 
405. 
Phyllocoptes schlechtendali, 
of, 25, 330. 
Phyllosticta api. 
ticta.) 
limitata, description of, 14, 546. 
in apple orchards, 15, 454. 
notes, 18, 400, 20, 129. 
pirinad and saprophytic species of 
Phyllosticta, comparison, 21, 71. 
species on apple, 21, 70. 
sphaeropsoidea on horse chestnut, 
description 
(See Celery phyllos- 
15, 457. 
(See also Apple leaf spot and Leaf 
spot.) 
Physalospora bidwellii. (See Black rot 
of grape.) 
