4 DEPARTMENT OF AGRICULTURE BULS. 826-850. 



Cattle — Continued. Bulletin 



tick. See Tick, cattle. No. Page. 



" topping, " practices in South 827 11 



winter feeding in South, recommendations 827 43-46 



Cedar — 



incense — 



injury by cypress bark scale 838 3-6 



range in California 838 5 



lumber production, 1918, by States 845 31, 44 



Cement, use in construction of city milk plants 849 10, 11, 12 



Cenocoelius populator, parasite of apple-tree borer 847 29 



Cephus — 



cinctus. See Sawfly, western grass-stem. 



genus, key to North American species 841 22 



pygmaeus, occurrence, description, and habits 841 26-27 



Cerataphidini, genera, description and key 826 9, 86-87 



Chaitophorina, genera, description and key 826 7, 33-35 



Cherries — 



cooling, effect on resistance to wounding, tests 830 2, 4, 6 



wounding in transit, and small fruits, relation of temperature, 



bulletin by Lon A. Hawkins and Charles E. Sando 830 1-6 



Chestnut, lumber production, 1918, by States 845 27-28, 45 



Chittenden, F. H., H. O. Marsh, and A. C. Mallory, bulletin 



on "The bean ladybird" 843 1-24 



Chrysanthemum — 



midge, bulletin by C. A . Weigel and H, L. Sanford 833 1-23 



See also Midge, chrysanthemum 833 4 



varieties affected by midge 833 4 



Clement, Clarence E., and Ernest Kelly, bulletin on "City 



milk plants: Construction and management' ' 849 1-35 



Clover — 



Mexican, pasture value in the South, and hay 827 30, 36 



sweet — 



flowers, structure and development 844 4-8 



seed, bulletin by H. S. Coe and J. N. Martin 844 1-39 



seed, coat structure and microchemistry 844 31-34 



seed production, field conditions, and insect work 844 13-22 



seed production, pollination studies 844 1-25 



Coastal Plain, pasture and hay crops, recommendations 827 31 



Coe, H. S. f and J. N. Martin, bulletin on " Sweet-clover seed' '.. . 844 1-39 



f 12 ^0 9 4 



Cold storage, milk, requirements in city milk plants 849< ^k "ok "32 



Colorado — 



bean ladybird — 



in 1919, article by A. E. Mallory 843 21-24 



occurrence and seasonal history 843< , „ 'oil^i 



Fort Collins, siphon spillways, studies 831 19-21 



Grand River, rolling dam, description 831 14-15 



f 6-10, 14, 



lumber production, 1918, by mills and by woods 845^ 16, 23, 24, 



I 38, 42-47 



southeastern, description, soil, and climatic conditions 836 2-10 



f 6-10, 



Connecticut, lumber production, 1918, by mills and by woods .... 845] 14, 16, 21, 



1 28, 42-47 

 Corn — 



and velvet beans, silage, value in South, analyses 827 42-43 



silage value in South 827 42 



stover, winter feed for cattle in South 827 34 



Cottonwood, lumber production, 1918, by States 845 34, 46 



"Cow Country." See Piney Woods region. 



Cowpeas, value for hay in South 827 35 



Cows, "Piney Woods," grading-up with purebred bulls 827 j iq-90 



Crab grass, susceptibility to mosaic disease 829 15 



Crimson clover, use as temporary pasture in South, and for hay 827 30, 36 



