INDEX OF SUBJECTS, 



987 



Poisons — Continued. Page, 

 nonprotein, chemical defense 



against 78 



Polanisia liideritziana, analj'ses and 



digestibility 167 



Polar explorers, food for 857 



Polarization, Clcrget, source of error 



in 717 



Poles. Industry in Canada 238 



Pollen — 



development in grapes, Miun 627 



viability, N.J 534 



Polychrosis botrana, polyphagous 



habits 554 



Polygonaceae, development and ger- 

 mination of seed 329 



Polyneuritis — 



avian, treatment 683 



in fowls, relation to bread diet- 476 

 onset, relation to carbohydrate 



ingested 163 



Polyphylla decemlineata, notes, Can_ 556 

 Polyporus — 



adustus, notes 242 



dryopJiilus, distribution, U.S. 



D.A 150 



Polystictus hirsutus in blacli knot 



canker 52 



Pomace fly — 



apterous form 351 



inheritance of length of life in_ 555 



Pomegranate butterfly, notes 151 



Pomegranates — 



acidity 110 



culture in Arizona, U.S. D.A 233 



culture in southern Texas, U.S. 



D.A 539 



varieties, U.S.D.A 337 



I'omelos, decay In transit 745 



Pcmological Instruction in Proskau_ 691 

 Poplar heart rot, distribution, U.S. 



D.A 150 



Perk, curing, Md 771 



1 orpoise oil, effect on milk secre- 

 tion 471 



Porthetria dispar. (.S'ee Gipsy moth.) 



Porto Rico Station, notes 398 



I'osts, concrete, mold for 788 



Postum cereal lesidue, composition 



and digestibility, Mass 666 



Pot experiments, wire cage for, N.J_ 514 

 Potash — 



citric soluble, production and 



fertilizing value, U.S.D.A 218 



deposits in Spain 126, 823 



deposits in Texas 82(» 



determination 295 



effect on rape 435 



effect on red clover 228 



fertilizers, effect on production 



of cereals 827 



from feldspar 126, 324 



from hedge clippings and trim- 

 mings 218 



from kelp, Cal 723 



from kelp, U.S.D.A 821 



Imports from Germany 517 



I'otash — Continued. Page. 



in granitic soils, N.H 126 



industry in 1913 218 



lime, fertilizing value 218 



loss from manure 818 



replacement by soda as a fer- 

 tilizer for sugar beets 230, 324 



residue from oxygen-acetylene 



plant, analyses, Can 424 



salts, imports into United 



States 723 



salts, production and use in 



1913 126,425 



(See also Potassium salts.) 



sources in Great Britain 218 



supply, German and other 



sources 820 



supply in United States 126 



Potassic rocks, utilization 324 



Potassium — 



and calcium sulphate, prepara- 

 tion 424 



bichromate as a milk preserva- 

 tive 570 



chlorate, injection into trees 754 



chlorid, fertilizing value 136 



cyauid as a greenhouse fuml- 



gant, N.J 536 



cyanid, injection into trees 152, 



754, 846 

 detection with tartaric acid — 608, 609 



determination .: 714 



mobility in vegetable tissue 128 



nitrate in hops 502 



salts, effect on plants, N.J 538 



(See also Potash salts.) 



sulphate, fertilizing value 831 



sulphocarbonate as an insecti- 

 cide 246 



Potato — 



bacterial wilt, notes 50 



black dot disease, notes 146 



black scab or warty disease, 



notes 342 



blotch and streak disease, iden- 

 tity 239 



canker, description 443 



collar rot, notes 442 



diseases, investigations 239 



diseases, notes 544, 546 



diseases, notes, Cal 136 



diseases, notes, Oreg 642 



diseases, treatment, N.Dak 545 



diseases, treatment. Wis 444 



distillery refuse, analyses and 



nutritive value 168 



dry rot, notes. Can 48 



drying industry in Germany 315 



eelworm, life history, Nev 900 



flour, use 560 



haulms as hay and silage 258 



internal brown streak, studies, 



Cal 238 



late blight, notes 443 



late blight, treatment 343 



late blight, treatment, Oreg 642 



leaf blotch, investigations 342 



