DEPAETMENT OF AGEICULTUE.E BULS. 1026-1050. 



Citrus — Bulletin No. Page. 



industry, damage by citrophilus mealybug 1040 1-2 



orchards — 



infestation with mealybug and Argentine ants 1040 1-3, 8-15 



spraying for control of mealybugs 1040i i a" tq 



r 8—11 



treatment tor control of Argentine ant, cost, etc 1040< to oA 



Coal— _ I 18,20 



composition and destructive distillation 1036 7-11 



tar, composition and manufacture 1036 " 7-18 



See also Tar, coal. 



Cod-liver oil, digestibility, experiments 1032 3-5 



Colibacillosis tetraonidarum, quail disease, cause of range depletion. 1049 35 

 Colorado — 



Cache la Poudre — 



Kiver, water diversions, 1916, 1917 1026 19-23 



Valley, description, meteorology, soils, etc 1026 2-12 



Valley, irrigation development 1026 2-79 



A^'alley, irrigation of various crops 1026< 8V84 



A^'allev, topographv, climate, soil, etc 1026 2-12 



Fort Collins, climate records, 1887-1917 1026 3-5 



irrigation canals, water rights, comparisons 1026 13-19 



northern, irrigation, bulletin by Robert G. Hemphill 1026 1-35 



water resources, for irrigation in Cache la Poudre Valley 1026 6-10 



Conifers, ■"bluing," cause, discussion 1037 7-12 



Copper spravs, metal deposits on fruits and vegetables, investiga- 

 tions ■. 1027 4-9 



Com — 



acreage under irrigation, Colorado, Cache la Poudre Vallev, 



1916, 1917 ■. . 1026 43 



crop area and uses in south Georgia 1034 12-13 



fat, blended, digestibility experiments 1033 11, 13, 14 



losses from specified causes in various localities. 1909-1918. . . 1043 6, 8, 10 



silage ^ields, comparison with sunflowers 1045 18 



Cotton— 



Egj-ptian, industrj- increase by Department work. 1030 17 



losses — 



causes in Sumter County, Ga 1034 20 



from specified causes, in various localities, 1909-1918. . . . 1043 7, 9, 11 

 Meade — 



characteristics, substitute for sea-island, etc 1030 2-6, 8-22 



comparison with long-staple and short-staple varieties. . . 1030 4, 23 



growing experiments 1030 4-17 



growing methods 1030 15-20 



seed supply 1030 6-9 



spinning tests, comparison with sea-island 1030 20-22, 24 



substitution for sea-island, bulletin bv G. S. Melov and 



C.B.Doyle '. ." 1030 1-24 



\-ield and prices, comparison with sea-island 1030 2-3, 20-22 



' production — 



cost, relation to farm organization 1034 58-72 



in southern Georgia, importance as farm crop 1034 9-13 



sea-island — 



production decline 1030 1-2 



spinning tests, comparison with Meade 1030 20-22. 24 



substitute, need for 1030 1-2. 23 



Cottons, spinning tests of sea-island and Meade 1030 20-22, 24 



Cottonseed — 



{fi7 ^Q 

 70 79 



f 11-1"'' 



fat, blended, digestibility experiments 1033-^ y^ ^J^ 



meal, feed value for calves 1U42 7-11 



Coturnixs'pp. See Quail. 



Cowpeas, crop area and uses in south Georgia 1034 12, 14 



