INDEX. 3 



Bee — Continued . 



cluster, temperature of center, comparison with outside air, 96, 14-15. 



clusters, formation, 93, 14. 



clusters, heat production and conservation, studies, 93, 13-16. 



colony, temperature, 96, 1-29. 



diseases, infectious, destruction of germs by heating, 92, 1-8. 

 Beekeeping — 



temperature of bee cluster in winter, 93, 1-16. 



temperature of colony, 96, 1-29. 

 Bees — 



American foul brood, description, cause, distribution, 92, 3-4. 



behavior of cluster in winter, observations on check colony, 96, 16-18. 



brood diseases, distribution, causes, and destruction of germ by heat, 92, 2-5. 



dysentery, cause, 93, 12-13. 



effect of storms on behavior and temperature, 96, 24-26. 



egg-laying period, behavior of cluster, temperature, etc., 96, 18-19. 



European foul brood, cause, destruction of germ by heat, experiments, 92, 2-3. 



feces, effect of accumulation on activities and health, 93, 6-13. 



Nosema disease, description, investigations, 92, 5-7. 



"orientation" flights, habits, purpose, effect on colony, 96, 22-23. 



"play flights," habits, purpose, effect on colony, 96, 22-23. 



sacbrood, description, distribution, etc., 92, 4-5. 



temperature in winter, observations, experiments, etc., 96, 10-19. 



temperature of cluster in winter, 93, 1-16. 



temperature of cluster, measuring method, 93, 2-4. 



temperature of colony, determination, apparatus used, description, etc., 96, 1-6. 



transportation, effect on colony, 96, 26-29. 



wintering, considerations, 93, 1. 



wintering, consumption of stores, changes in weight, etc., 96, 6-10. 



wintering, suggestions, 93, 16. 

 Beetles, cone, description, habits, damage to pine" cones, 95, 4. 

 Belgium, agricultural extension work, notes, table, 83, 15-16. 

 Berkshire Knots, progenitors of Hampshire sheep, description, 94, 19. 

 Betts, Norman de W., bulletin on "Rocky Mountain mine timbers," 77, 1-34. 

 Beveridge, experiments in varying cooking conditions in production of esparto pulp, 



80, 7-8. 

 Bibliography — 



powdery scab of potatoes, 82, 15-16. 



pulp making, 80, 61-63. 



sheep breeds, 94, 59. 



tobacco insects, 78, 29-30. 

 Black scab, potato. See Wart disease. 

 Black-faced Highland sheep — 



horn growth, peculiarities and danger, 94, 52-53. 



origin, description, distribution, value, 94, 51-53. 

 Black-leg, potato, introduction, cause, and control, 81, 3. 

 Blanching udo, directions, 84, 10-12. 



Bone meal, use in commercial fertilizer, optical constants, 97, 12. 

 Bordeaux mixture, use in seed treatment for potato powdery scab control, 82, 12. 

 Border Leicester sheep, origin, comparison with Bakewell Leicester breed, etc., 



94, 41, 42, 57. 

 Bowen, John T. — 



bulletin on "The application of refrigeration to the handling of milk," 98, 1-88. 



bulletin on "The cost of pasteurizing milk and cream," 85, 1-12. 



