IlsrDEX. 



Dates — 



commercial varieties— Bulletia No. Page. 



essential characters 1125 2 



sources and relative value 1125 2-3 



Egyptian, leading varieties, list and description 1125 14-15 



oasis, accounts and description by modern travelers 1125 6-12 



Dates, Saidy — 



{17—19 

 2' 27 



importations by Department. . .' 1125 24 



importations under various names 1125 15-25 



of EgjTt— 



bulletin by S. C. Mason 1125 1-13 



historical notes 1125 3-15 



superiority and value as commercial variety 1125 25-27 



temperature requirements 1125 27-32 



variant names 1125 1-2 



Deglet Noor date, commercial value, comparison with Saidy 



variety 1125 25-27 



Delaware — 



lumber cut, 1920, value and kinds 1119< ' eg eg 



milk production, unit requirements, bliUetin bv J. B. Bain 



and Ralph P. Hotis ' 1101 1-16 



Demaree, J. B., bulletin on Pecan, " Kernel spot of the pecan and 



its cause" 1102 1-15 



Demonstrations, cooperative-shelter-belt, developmentin Northern 



Great Plains, bulletin by Robert Wilson and F. E. Cobb 1113 1-28 



Dermestes — 



spp. , injury to lead telephone fuses 1107 3-4 



vulpinus, injury to telephone fuses 1107 4 



Douglas fir, adaptability to shelter-belt planting 1113 11 



r)rugs, inspection for inorganic salts, petrographic methods, note. . 1108 3 



Dry-rot, apple, application to internal browning of fruit 1104 4 



Durango cotton, communities growing 1111 10, 42-44 



Earworm, corn — ■ 



damage to crops in 1921, by States 1103 9 



outbreaks — • 



historical notes 1103 5-9 



in 1921 1103 4, 5-9 



Elder, box, adaptabilitv to shelter-belt planting 1113 7-8, 15 



Elm- 

 Chinese, introduction. Northern Great Plains 1113 14 



lumber production, by States, 1920 1119 50 



white, adaptability for shelter-belt planting. . 1113 8, 15 



Empoasca mali, outbreaks in 1921 1103 37-39 



Entomology, laboratory at Sandusky, Ohio, corn-borer work 1103 30 



Entomophthora — 



aulicae, control of brown-tail moth. 1117 5 



fumosa, description and microscopic characters 1117 4-9 



Epilachna corrupta, outbreak in 1921 1103 32-34 



Euproclis chrysorrhoae, distribution and infested area in 1921 1103 50-51 



Fairchild, David, shipment of Saidy date from Egypt 1125 13, 15, 19 



Fard date, value, description, origin, etc 1125 2 



Farmers — 



irrigation, short-box measuring flume, bulletin by Carl Rohwen. 1110 1-14 



Northern Great Plains, cooperative shelter-belt planting 1113 2-25 



Feeds — 



{7—8 14 

 15 16 



mill, marketing, bulletin by G. C. Wheeler 1124 1-20 



wheat, trade needs for uniform standards, and uniform law 1124 18-20 



Feedstuffs — 



handling bv cooperative societies, prices, etc 1124 9, 17-18 



laws, needs, etc 1124 18-19 



prices, factors controlling 1124 16-17 



