INDEX. 



Bulletin 



No. Page. 



Crop, rotation, value in sawfly control 834 13 



Crops, area distribution, small farms near Washington, D. C , . 848 4-5 



Cuba- 

 mosaic disease of sugar cane, occurrence 829 3, 17 



sugar cane, mosaic disease, distribution 829 3-4 



Cucumber — 



bacterial wilt, studies and experiments 828 2-43 



beetles, relation to infection with wilt disease, experiments. . . 828 21-22 



Cucumbers, beetles, relation to bacterial wilt 828 21-25, 43 



Cucurbits — 



bacterial wilt, bulletin by Frederick V. Rand and Ella M. A. 



Enlows 828 1-43 



host relations to wilt disease 828 31 



spraying for bacterial wilt, experiments 828 37-39 



Cupressus macrocarpa, description and injury by cypress bark scale 838 1-2, 8-12 



Cut-over lands, Piney Woods region, value for beef cattle 827 13-49 



Cypress — 



bark scale, bulletin by F. B. Herbert 838 1-22 



See also Scale, cypress bark. 



lumber production, 1918, by States 845 26-27, 43 



Monterey — 



description and injury by cypress bark scale 838 1-2, 8-12 



injury from insects ' 838 6-8 



range in California 838 5 



Dairy, equipment and machinery, arrangement in city milk plants. 849 25-27 

 See also Milk plantg. 



Delaware, lumber production, 1918, by mills and by woods 845< ^ fi 42-47 



Devon cattle, crossing with Piney Woods cows, results 827 10 



[ 4-13, 



Dextrose, per cent in frozen egg products, determination 846s 20-54, 



1 72-80 



Diabrotica spp., occurrence on cucurbits, relation to bacterial wilt, 



tests 828 1-3 



Diarthronomyia hypogaea. See Midge, chrysanthemum. 



Dipping, chrysanthemum plants for midge pest 833 14-20 



Dips, formulae and use against chrysanthemum midge 833 15-20 



"Disease of Arecibo." See Mosaic disease. 



Ditches, dredged, drainage, flow of water, bulletin by C. E. Ramser. 832 1-60 



"Dog bite." See Mosaic disease. 



Drainage — 



dredged ditches, flow of water, bulletin by C. E. Ramser 832 1-60 



water flow in various districts, experiments, summary of results . 832 58-60 



Drepanaphidina, notes 826 7 



Drepanosiphina, genera, description and key 826 31-32 



Dust, mixtures for control of grape-berry moth, experiments 837 22-23 



Eelworm disease, wheat, caused by Tylenchus tritici. bulletin by 



L. P. Byars ' 842 1-40 



Egg products, frozen, investigations, objects and methods 846 1-3 



Eggs, frozen products — ■ 



analysis, methods and results 846 4-96 



examination and results, bulletin by H. W. Redfield 846 1-96 



Ehrhornia cupressi. See Scale, cypress bark. 



Elm, lumber production, 1918, by States 845 33-34, 46 



Enlows, Ella M. A., and Frederick V. Rand, bulletin on "Bac- 

 terial wilt of cucurbits " ; 828 1-43 



Epilachna — 



corrupta, synonymy 843 2 



See also Ladybird, bean. 



genus, technical description of species, etc 843 3-4 



Eriosomatinae, tribes and genera, descriptions and keys 826 8, 62-81 



Eriosomatini, genera, description and key 826 9, 65-68 



4-13, 20- 



Ether extract, per cent in frozen egg products, determination 846^ 54, 72-75, 



79-80 



