Index 
451 
Courses in beekeeping, 225. 
Cowan, 113. 
Critical temperature, 90. 
Crop reports on honey, 434. 
Cross-pollination, 6, 365. 
Cultivation of plants for nectar, 363. 
Cut comb-honey, 319. 
Cutter, comb-foundation, 33. 
Cycle of duties of worker, 104. 
of the year, 54. 
Cyprian bees, 196. 
Dadant apiaries, 219. 
hive, 10. 
Danger from poor investigation, 36. 
Dead bees in cellar, 352. 
Decrease in comb-honey, 303. 
Defence of colony, 117. 
Delayed swarms, 71. 
Demand for fancy comb-honey, 303. 
Demuth, 301. 
Demuth’s observations on swarming, 
77. 
Dequeening, 281. 
for European foul brood, 409. 
Desertion of swarms, 278. 
Developmental stages, 93, 102. 
Digestion, 141. 
Disadvantages of comb-honey, 304. 
of extracted-honey, 287. 
Disease, effects of, 215. 
Diseases of bees, 397. 
Disinfection of hives, 406. 
of honey, 407. 
Disposal of combs after extracting, 
300. 
Dissolving wax, 337. 
Disturbance, effect, 60. 
harmful, 234. 
in winter, 347. 
Distribution of bees, 213. 
Division of labor, 106. 
in gathering, 120. 
Domestic animals, bees not, 38. 
Donhoff, 108. 
Doolittle cell cups, 422. 
Door for honey-house, 24. 
Double-walled hives, 352. 
Drainage in cellar, 354. 
Drawn combs, 290. 
Dreyling, 109. 
Drifting in spring, 256. 
Drone cell, 46. 
description, 44. 
duties, 106. 
food, 116. 
killing, 86. 
-laying queens, 70. 
selection, 428. 
Drones, retained in queenless colo¬ 
nies, 45. 
Dufour, 57. 
Duration of life, 126. 
Dysentery, 356, 409. 
Dzierzon, 8, 9. 
theory, 187. 
Early embryonic development, 96. 
Educational work, 434. 
Egg, 95. 
-laying, normal, 41. 
-laying restriction, 281. x 
origin, 181. 
Eggs which fail to hatch, 191. 
Egyptian bees, 194. 
Embryology, 93. 
Emulsion of wax, 338. 
Enemies of bees, 411. 
English hive, 10. 
Entrance in winter, 352. 
Enzymes in ripening, 85. 
Equalizing colonies, 259, 313. 
Equipment, importance of, 22. 
Essentials in beekeeping, 251. 
European foul brood, 401. 
Excretion, 153. 
Experience in behavior work advan¬ 
tageous, 36. 
Extracted-honey marketing, 320. 
-honey production, 286. 
wax, 337. 
Extracting, 298. 
Extractors, 296. 
Extra-floral nectaries, 370. 
Eyes, 166. 
Fall treatment for disease, 408. 
Fanning in winter cluster, 91. 
of swarming bees, 66. 
Farmer-beekeepers, disadvantages of, 
2, 3. 
Fat body, 153. 
