6 DEPARTMENT OP AGRICULTURE, BULLS. 76-100. 



Creameries — Continued. 



local, management, operation, etc., 98, 82-84. 



refrigeration, practices, equipment, operations, etc., 98, 78-88. 



refrigeration systems, 98, 17-30. 

 Cream-pasteurizing apparatus, tests, 85, 6-12. 



Crop rotation, value in tobacco wireworin control, experiments, 78, 16-19, 29. 

 Curing — 



leaf tobacco, research studies, 77, 1-40. 



tobacco, effect of external conditions, experiments, 79, 36-39. 



tobacco, nature of process, 79, 2-3. 



tobacco on stalk, comparison with curing of picked leaves, 79, 30-33. 

 Cyanamid, calcium. See Calcium cyanamid. 



Dairies, refrigeration systems, 98, 17-30. 

 Dairy — 



apparatus, pasteurizing, tests of five city plants, 85, 2-12. 



farm, Beltsville, Maryland, milk-cooling method, cost, etc., 98, 67-69. 

 Daisy, oxeye, description, control methods, etc., 78, 15, 23-24, 29. 

 Dartmoor sheep, origin, development, description, value, 94, 50-51, 57. 

 Davidson, W. M., bulletin on "Walnut aphides in California," 100, 1-48. 

 De Cew, statement on soda process in production of wood cellulose, 80, 5, 7. 

 Delaine Merino sheep, development, distribution, value, 94, 8. 

 Delaware — 



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



farmers' institute work, officials, statistics, 83, 5-6, 20, 24, 26-32. 

 Demuth, George S., and E. F. Phillips, bulletin on "The temperature of the 



honeybee cluster in winter," 93, 1-16. 

 Dipping fluids — 



arsenical, assay, laboratory methods, 76, 4-10. 



arsenical, changes in strength and nature from various causes, 76, 2-3. 



arsenical, laboratory and field assay, 76, 1-17. 



determination of arsenious oxid, methods, 76, 4-8, 10-15. 



determination of "total arsenic," methods, 76, 9-10, 16-17. 

 Diseases — 



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



potato, of foreign origin, some important, descriptions, etc., 81, 2-4. 



potato, review of situation, 81, 2. 

 Dishley Leicester sheep. See Bakewell Leicester sheep. 

 Dokii quatz. See Udo. 



Donhoff, discovery of Nosema disease of bees, 92, 5. 

 Dorset horn sheep — 



origin, development, distribution, value, etc., 94, 24-26,57. 



scale of points, 94, 26. 

 Dosjen. See Udo. 

 Dotooki. See Udo. 



Douglas fir, mining timbers, crushing and bending tests, 77, 5, 6, 21, 23, 25, 28. 

 Dried blood, use in commercial fertilizer, optical constants, 97, 12. 

 Dynamite, efficiency of different preparations for stump blasting, 91, 7-8. 



Eaton, William, first importer of Tunis sheep, management, etc., 94, 30-31. 

 Ellman, John, connection with Southdown sheep development, note, 94, 14. 

 Engelmann spruce, mining timbers, crushing and bending tests, 77, 5, 6, 21, 23, 25, 27. 

 England, agricultural extension work, notes, 83, 13-14. • 



Entomology Bureau, cooperative studies of tobacco wireworm in Virginia, 78, 1-29. 

 Enzyms in tobacco curing, 79, 33-36. 



