INDEX. 11 



, .JO, 



Bulletin No. Page. 



!7, 38, 



43, 44 



Pea-h- 



injury from para-diclilorobenzene 796 13-20 



kernels, oil — 



digestion experiments 781 10-12 



recovery and use 781 2-3 



tree borer, control by use of toxic gases, bulletin bv E. B. Blakes- 



lee 1 _- '. 796 1-23 



Peas, groAvth and water requirements on typical range soils 791 50 



(Peaiatoma) Chlorochroa sayi. See Grain bug. 



{'-'•) 41 

 43 jc 



Fhalarope, Wilson, oociu-rence in sandhill region of Nebraska 794 34 



Phosphate, acid, materials used in manufacture 798 5 



Pilot fish. See ^Tiitefish. 

 "Pilz-sucht." <?ee Xosema disease. 

 Pine^ 



cutting, selective methods for control of rots 799 23 



rots, relation to age, site, and other factors 799 6-19 



stands, location of site, relation to injury by rots 799 13-15 



trees, rot infection, relation to age 799 6-8, 19 



Western Trhite, — 



field studies of rots and their control ' 799 4-6, 22-23 



loss from fungi 799 1-2 



study of rots, bulletin by James T\. Weir 799 1-24 



Pines, needle fungi, injiiry, note 799 2 



Pintail, occmTence in Nebraska 794 25-26 



Plants— 



duck-food, sandhill regions — 



Nebraska, effect oi alkaline conditions, studies 794 38-40 



Nebraska, list 794 40-77 



stock-poisoning, of United States, bibliography 790 86-88 



succession — 



effect of grazing 791 54-66 



on ranges, relation of range management, bulletin bv Ar- 



thiu- W. Sampson ". '. 791 ■ 1-76 



types in successive development on ranges, uses, etc 791 2-54 



Plodia interpundella, injiuies, similarity to rice-moth injmies 783 2, '8, 13 



Plovers, species in sandhill region of Nebraska 794 30, 35 



Poisoning — 



lead, in -waterfowl, bulletin by Alexander Wetmore 793 1-12 



milkweed, of live stock, symptoms and remedies 800 25-3'i 



Poisonous — 



plant, whorled milkweed (Asdepias galioides) bulletin bv C. 

 Dwight Alarsh, A. B. Clawson, J. F. Couch, and W. W. Eggles- 



ton 800 1-^0 



plants, range, losses from, bibliography, etc 790 82-88 



Pollack- 

 cold-storage holdings, 1917 and 1918. by months 792 35-37 



occurrence, and nature, note 792 37 



Polyporus schveinitzii, injiu-y to pine trees 799 3-4, 14, 23 



Porcupine grass, range vegetation, consociations and plant succession 891s "68-69 



Pork- 

 frozen, storage holdings, 1917 and 1918, bv localities, and by 



months ^ '. 792 8-12 



salt, cold-storage holdings, 1917 and 1918. by localities and bv 



months T ' • 792 19-25 



Potash fertilizers, soui-ces 798 12-13 



Potato — 



botanical relations, suggestions to teachers 784 1- 4 



food value and uses 784 21-23 



tuber and plant structure, lesson for rural schools 784 12 



Potatoes — 



harvesting, gi-ading. and marketing, lessons 784 6-S 



importance in food supply of world 784 1 



insects and diseases, control, and spray formulas 784 19-21, 23 



