10 DEPAETMEISTT OF AGRICULTURE BULS. TTG-SOO. 



Bulletin No. Page. 



Mississippi, steers, fattening on summer pasture 777 12-22 



Monolepis, indicator of overgrazing of ranges, notes 791 45, 48 



Mosaic disease — 



Dutch bulbs, control 797 36 



tulip, pleasing effect 797 36 



Moth- 

 fig- 



enemy of rice moth 783 8 



similarity of injury to that of rice moth 783 2, 8, 13 



Indian-meal, similarity of injuries to that of rice moth 783 2, 8, 13 



rice — 



associated insects * 783 8-9 



bulletin by F. H. Chittenden 783 1-15 



control measures 783 10-13 



description, life history, food habits, and control 783 2-15 



introduction and nature of injury 783 1-2, 5-6, 7 



Mutton, storage holdings, 1917 and 1918, bv localities, aud bv 



months ' •. . /. 792 12-15 



Nama^^cush. See Trout, lake. 



Napthalene, use against peach-tree borer, value 796 4 



Narcissus — 



bulbs, cleaning and drying 797 19-20 



flies, detej^tion and control 797 33-34 



gromng in United States (and hyacinths and tulips), bulletin 



by pa^'id Griffiths and H. E. Jeunemann 797 1-50 



planting depth, note 797 9 



varieties, list, and descriptions 797 37-41 



Neljraska sandhill region — 



changes in land ownership, etc 794 5-6 



description, waterfowl breeding, etc 794< ' Qy_Qg 



waterfowl and their food plants, bulletin bv Harry C. Oberholser 



and W. L. McAtee _ " .'. 794 1-29 



Netherlands, bulb growing, i^raotices, notes 797 5-7, 18, 21 



Nicotine, use against rose midge 778 6-8 



Nitrates, reduction in media 7S2 30-32, 37 



Niti'ogen — 



fertilizer materials, sources 798 7, 13 



som-ces in milk 782 11, 36 



Nosema aphis — 



cause of bee disease, description, studies, etc 780 3^ 



resistance to heat, fermentation, putrefaction, etc 7S0 29-45 



Nosema-disease, bulletin by G. F. White 780 1-59 



Oberholser, Harry C, and W. L. McAtee, bulletin on water- 

 fowl and their food plants in the sandhill region of Nebraska 794 1-79 



Octopus fish. See Squid. 



Ocyptewdes eucJienor, parasite enemy of grain bug, description 779 28-31 



Oils, by-product — 



digestibility, bulletin by Arthur D. Holmes 781 1-16 



fruit-kernel, digestion experiments 781 4-8, 10-12 



recovery, possibilities 781 2-3 



vegetable seed, digestion experiments 781 < 12-16 



Oolican fish. See Eulachon. 



Orange, leaves testing for copper after spraying 785 6 



Orchards, relation to spread of whorled milkweed 800 7 



Otsego bass. See Whitefish. 

 OA'ergrazing — 



forest ranges, indicators and causes 790 16-23 



f 2-54 



ranges, plant successions and consociations 891-j 75-70 



Packing, bulbs, and shipping 797 28-29 



"Packing stock butter, " use of term 776 13 



Para-dichlorobenzene — 



control of peach-tree borer, experiments 796 4-22 



use against peach-tree borer, effect on soil and trees, etc 796 14-22 



