974 



EXPERIMENT STATION" RECORD. 



[Vol.40 



Page. 



Ortalida?, trapping 169 



Orthoptera — 



Inheritance and evolution in 367 



of Nova Scotia 856 



of Peru 353 



of Plummers Island. Maryland- 649 



OrthotylU8 marginalia on apple 60 



Oryssus — 



immature stages, notes 2C" 



parasitic on Buprestis 656 



Oscinis n.spp.. descriptions 283 



Osinia, nesting habits 655 



Osmotic pressure, treatise 801 



(See also Sap concentration.) 



Ostcrtagia circumcincta. notes, Mich- 88 



Otiorhynchus spp., colored plate 170 



Ova, intrauterine absorption 663 



Ovarian transplantation in ducks 367 



Ovaries, isolated, effect on growth — 662 



Ovariotomy in fowls 871 



Ovary of the fowl, corpus luteum — 864 



Ovulation — 



and ovarian cyst formation 467 



in swine 668 



period in rats and mice 668 



Ox warbles, notes 



Oxalates, toxic action 466 



Oxhydridase, antitoxic rOle 580 



Oxidase reaction for detection of 



rancid fats 11 - 



Oxidases of sugar cane 426 



Oxidation as affected by food i: 



tion 36 I 



Oxycarcnus hyalinipcnmt, notes— 256, 854 



Oxygen — 



analysis, apparatus for HI 



concentration, relation to ■ethy- 

 lene blue reduction by milk__ 613 



Oxyuriasis, equine, treatment 686 



Oyster propagation, N.J 177 



Oysters, studies, U.S.D.A 459 



Pachymrni8 — 



gonagra In Hawaiian Islam'.s 266 



quadrimaculatu8, notes 170 



Palate of civilized man, relation to 



agriculture 656 



Palcacrita vernata. (See Canker- 

 worm, spring.) 



Palm — 



butter, testing and manufacture- 115 



diseases, notes 48,845 



kernel meal, feeding value. Ky_. "7". 

 nut cake in ration, effect on bulk 



of manure 126 



oil, production in United States, 



T.S.D.A 614 



Palmo Midds, feeding value, Ind 66S 



Palms — 



culture experiments, Guam 339 



date, culture, U.S.D.A 540 



oil i' 



suirar, notes, P.R ■*■* 



i m e also Coconnti.) 



Pancreatic amylase, studies 504 



Ponieum — Page. 



combxii in Florida 137 



numidianum, eercopid enemy S5'> 



Papaya, culture experiments, Guam. 339 

 Paper — 



investigations at Forest Prod- 

 ucts Laboratory. 1918 641 



pulp materials 243,745,823 



{Srr al-o Pulpwood.) 



Pnpilio thoas th<>antiades, notes 62 



Para cyniene, nitration 710 



Para gra- 



culture In Guam, Guam 327 



feeding value, Guam 300 



hay, mineral constituents, di- 

 gestibility. Tex 760 



Paracolon infections in fowls. R.I 685 



Paracresol in oil. germicidal power 882 



Paraffin, treatment of burns by 780 



Paraffined dressings, action on 



wounds 779 



Paraleptomastix nbnmmis, notes 359 



Paramecium, resistance to potassium 



cyanid 455 



Parana grass, eercopid enemy 856 



Parasitic infestation, effect of cold 



on 684 



Paratettix, breeding experiments 367 



Paratriozn ooofel r<Ui, remedies 162 



Paratyphoid — 



R. studies 83 



bacilli from hog-cholera cases 480 



bacilli, vaccination with 289 



bacillus, equine, agglutination 



test 289 



bacteria as causative agents of 



ili.-cisr in birds. R.I 685 



bacteria in swine 783 



enterltidis group, studies 478, 780 



PareaorlsCa caridei n.sp.. descrip- 

 tion 855 



Paris green, preparation 801 



Pa-spalum dilatatum — 



as pasture grass, Guam 327 



in New Zealand 



Passlon-vlne beetle, notes 654 



Pasteurization. (See Milk and 

 Cream.) 



Pastry, detection of milk in 619 



Pasture — 



experiments, Okla •"■'- 



for cows on general farms. Mo.. STB 

 grasses, tests, D.8JP.A — 72. 374. 432 



land, old, Improvement 824 



management experiments, Kans_ 330 



problems, papers on 300 



Pastures, irrigated, notes, U.S.D.A. 374 



(See also Grass.) 

 Pasturing experiments on Irrigated 



fields. U.S.D.A 371 



Patent medicines, composition 



Pathological technique, treatise 676 



Pavements, brick. U.S.D.A 



- 



bran, analyses, Mich BT1 



chink, notes MB 



