INDEX. 



[Black-face figures denote the number of the Department bulletin referred to; light-face figures showlth* 



page in the bulletin.] 



Adalia melanopleura, predaceous, on walnut plant lice, activities, 100, 39—40. 

 Agricultural Colleges — 



and Experiment Stations, American, Association, work, scope, officers and com- 

 mittee, etc., 83, 10-11. 



extension work, kind of schools, methods, publications, income, growth, States 

 reporting, etc., 83, 8-10. 

 Agricultural extension — 



aid by railroads, scope, amount, etc., 1913, 83, 12-13. 



work in foreign countries, 1913, by countries, 83, 13-19. 



work in United States, 1913, 83, 8-13, 34-41. 



work, movable and correspondence schools, increase, 83, 10, 11-12. 



work, 1913, statistics by States, 83, 34-41. 

 Alabama — 



agricultural extension work, 1913, statistics, 83, 34-40. 



farmers' institute work, officials, statistics, 83, 5-6, 19, 24, 26-32, 

 Alaska — 



agricultural extension work, 1913, statistics, 83, 34—40. 



farmers' institute work, officials, statistics, 83, 19, 24, 26-32. 

 Alpine fir, mining timbers, crushing and bending tests, 77, 5, 6, 21, 23, 24, 25. 

 Ammonia, compressing-refrigeration machines, installation, operation, etc., 98, 30-34. 

 Ammonium sulphate, optical constants, 97, 10. 

 Ants, attendants of European walnut aphis, note, 100, 19. 

 Aoudad — 



ewes, fecundity, 94, 56. 



sheep, description, value, etc., 94, 56. 

 Apatite, optical constants, 97, 10. 

 Aphides, walnut, in California, 100, 1-48. 

 Aphis — 



rose, 90, 1-15. 



See also Rose aphis. 

 Apiaries, temperature of bee colonies, observations and experiments, 96, 1-29. 

 Apple growing, codling-moth control, Pecos Valley, New Mexico, spraying experi- 

 ments, etc., 88, 2-8. 

 Arabi sheep. See Karakule sheep. 

 Aralia — 



calif ornica, description, 84, 6-7. 



cordata. See Udo. 



racemosa, description, 84, 6. 

 Arizona — 



agricultural extension work, 1913, statistics, 83, 34—40. 



farmers' institute work, officials, statistics, 83, 5-6, 19, 24, 26-32. 



sheep raising, value of Tunis breed, 94, 32. 



70931—14 2 1 



