INDEX. 9 



Insect — Continued. Bulletin 



powder— (Continued. . No- ^^ge. 



manufacture, location and details 824 10-13 



microscopical examination, and characteristics 824 23-32, 45 



origin, use and history 824 2-4 



principle active as insecticide, investigations, etc 824 65-81 



f 37—38 



valuation, ether extraction methods 824< 42-43 



powders, analyses 824< 59-62 



Insects — 



control by insect powder 824 13-14 



injurious to stored products, publications, list 807 23 



resistance to pyrethrum 824 14 



Iowa — 



oats, yields of several varieties, experiments 823 26-27 



pear industry, varieties, grown 822 8 



Irrigation, oats, in Western Great Plains and basin areas 823 60-66 



Jack pine. See Pine, jack. 



Jointworm — 



barley, description and life history 808 11-13 



flies, life history and control, bulletin by W. J. Phillips 808 1-27 



rye, description and life history 808 13-14 



wheat, injury to grain, life history, and control 808 2-5, 23-25 



Jointworms — 



control in grain and grass fields 808 23-26 



{-| r* -1 ij 

 18-19 

 species — 



infesting grain crops, descriptions, and injury 808 2-15 



infesting grasses : 808 16-19 



Juniper, name for jack pine 820 1 



Kansas — 



Argonia, Dixon Township community building, cost, equip- 

 ment and uses 825 28-30 



oats, yields of several varieties, experiments 823<^ oo cj 



peach growing, production, districts, and varieties 806 4, 5, 8, 18 



pear industry, magnitude and varieties 822 9 



Keenan, G. L., C. C. McDonnell, and K. C. Roark, bulletin on 



"Insect powder" 824 1-100 



Kentucky — 



peach growing, production, districts, and varieties 806-^ ' 'q '94 



pear industry, notes 822 11 



Kherson oats — 



description, characteristics, introduction, etc 823 ' 4-5 



straw yield, weight per bushel, color, etc 823 69 



Kieffer pear, popularity 822 5 



Labor, farm, standard day's work in Central Illinois, bulletin by 



H. R. Tolley and L.M. Church 814 1-32 



Labrador pine. See Pine, jack. 



Lake States, jack pine, production and utilization 820 2 



Lambs, infestation with Ascaris, experiments, details 817 42 



Leaf hopper — 

 apple — 



character and extent of injury to nurseiy stock 805 4-5 



C 2—20 



description, distribution, life history, and control 805-! 29-32 



. historical notes 805 2 



host plants, list 805 3 



