14 DEPARTMENT OF AGRICULTURE BULS. 901-925. 



Ohio — Continued. Bulletin 



Washington County — No - Page. 



farm profits, 25 farms, 1912-1918 920 3, 5, 7-33 



farming, profits and losses 920 3, 5, 7-22 



Oil- 

 corn — 



chemical properties, and utilization 904 13-14 



crude, filtering, buying and selling 904 11-12 



expelling from germs, method, and machines used 904 8-11 



production and utilization, bulletin by A. F. Sievers . 904 1-23 



production cost 904 17-20 



production operation in different mills, comparison 904 16 



refining for food use : 904 20-22 



sardine packing, tests 908 66-68 



cottonseed, losses in quantity and quality 918 30-31 



lubricating, requirement for motor trucks of different sizes. . . 910 27 



f 4-5 10 



use in sardine packing, food value, quantity, and kinds 908< RO-fiR 'i 19 



Oklahoma — 



cabbage flea-beetle, occurrence and injuries to crops. . . .■ 902 4, 5 



hail insurance — 



companies, and amount of risks 912 < ' O o 9 X 



law enactment and provisions 912 8, 9 



walnut, stand and quality 909< ' X 9 j 



water rights, officials 913 3 



Okra, infestation with pink bollworm 918 33 



Olive oil, use in sardine packing 908 119 



Onions, freezing, effect of handling 916 4 



Oranges, tear-stain, investigations, and cultural work 924 1, 5-11 



Orchards, irrigation from distributing hydrants 906< rX ' ^X ' l\ 



Oregon , water rights, officials 913 2,3 



Orleans Hill Vineyard, California, historical notes 903 6 



Packing, sardines — 



in cans, details 908J 10 ' 5S ~^A_ 



f 6-12, 

 98-101, 

 103-105, 



{ 124 



Parasites, leaf-folder, list 914 10-12 



Pasture — • 



dairy cows, requirements and cost in milk production 923< iq'i7 ik 



f 4,6,10, 



requirements for dairy herd, per 100 pounds of milk produced. 919J 11-12, 



[ 15, 19 



Pasturing, cotton fields for bollworm control 918 54 



Peas, injury by western cabbage flea-bettle 902 5, 6 



Pediculoides ventricosus, occurrence on larvae of pink bollworm 918 47 



Pedigree, live stock, consideration in selection of breeding-animals. 905 50-54 

 Pennsylvania- 

 farmers experiecne with motor trucks (with other Eastern 



States), bulletin by H. R. Tollev and L. M. Church 910 1-37 



[ 9, 10, 



walnut, stand and quality 909< 16-17 , 



{ 19,21 



Pepper-grass, injury by western cabbage flea-beetle 902 6 



Phvlloxera — 



methods and precautions 90Si 



grape- 

 biology in California 903< 



i 



27-44, 98, 



124-126 



biology in Eastern United States and Mediterranean 1 anc ,/ 28, 95-98, 



region f M6 \ 124 



