18 



DEPARTMENT OF AGRICULTURE BULLETINS 101-125. 



New York City, road work, 1910, supplemental report . . 

 New York, Jamaica, road experiments, 1911, supple- 

 mentary report 



Newman bean. See Mung bean. 



Nickel, occurrence in soils 



Nicotine wash , use against thrips 



Nitrate — 



absorption by plants 



with salicylic aldehyde, effect on wheat in culture 



solutions 



Noble fir, treatment with creosote 



North Carolina, run-off of different drainage districts 



Oat aphis — • 



breeding places, destruction, etc 



bulletin by J. J. Davis 



control and prevention 



description, host plants, injuries, etc 



distribution, description, life history, and control... 



host plants, list 



introduction into United States and distribution 



natural enemies, and preventive measures 



outbreaks, causes 



reproduction, investigations 



Ohio, Youngstown, road experiments, 1909, supple- 

 mentary report 



Okra, use and preparation 



Onion — 



flavor, extraction 



tops, use as greens 



Onions, kinds, use and cooking 



Oporomis lolmiei, food habits, enemy of alfalfa weevil, 



note ." 



Orchard land, Utah Lake Valley, value, decrease.. . 



Oregon pea, name for mung bean, discussion 



Oreoscoptes montanus, occurrence in alfalfa-weevil dis 



tricts, feed, importance 



Oreospiza chlorura, occurrence in alfalfa-weevil dis- 

 tricts, food, importance 



Oriole, Bullock's, value as alfalfa- weevil destroyer 



Olocoris alpestris leucolsema, occurrence in alfalfa-weevil 



districts, food, importance 



Oxyechus vociferus, occurrence in alfalfa- weevil districts, 

 food, importance 



Page, Logan Waller, bulletin on "Progress reports of 

 experiments in dust prevention and road 



preservation, 1913 " 



Paine, J. H., and E. W. Scott, bulletin on "The lesser 



bud-moth " 



Pajaro Valley — 



apple powdery mildew, control 



California, location, climatic conditions, etc 



Parasites — 



enemy of alfalfa caterpillar 



oat aphis 



Paris green, use in fly destruction, effect on manure, etc, 

 Parsley — 



use as greens 



use with onions 



Parsnips, use and preparation 



Passer domesticus. See Sparrow, English. 

 Passerculus sandwichensis alaudinus,. occurrence in 

 alfalfa-weevil districts, food, importance 



Bulletin. 



105 



113 



120 

 120 



124 

 112 

 118 



123 

 123 

 123 



107 



Page. 



105 



40 



105 



36-40 



122 



4, 7, 27 



104 



11-12 



108 



11 



108 



8-9 



101 



22, 40-41 



114 



8-9 



112 



15-16 



112 



1-16 



112 



14-16 



112 



2-9 



112 



1-16 



112 



6 



112 



1-2 



112 



9-16 



112 



9 



112 



9-13 



105 



42-43 



123 



38 



123 



23 



123 



16 



123 



20-24 



107 



41 



117 



16-17 



119 



19-21 



107 



42 



107 



37 



107 



22-23 



107 



10-11 



107 



6-7 



1-46 



1-16 



1-26 

 3,24 



19-25 



13 



13, 15, 24 



16 



22 



32,33 



30-31 



