454 
Index 
Net weight of sections, 327. 
Non-essential manipulations, 251. 
Non-swarming appliances, 269. 
Nosema apis, 410. 
Nucleus, a part of the cell, 94. 
for mating queens, 425. 
defined, 39. 
Nursery cages, 425. 
Ocelli, 168. 
Odor, American foul brood, 400. 
effects in uniting, 243. 
European foul brood, 402. 
in entering hive, 68. 
in swarm clustering, 65. 
in swarming-out, 81. 
Odors of colony, 172. 
(Enocytes, 153. 
Olfactory sense, 169. 
Opening a hive, 235. 
Organizations of beekeepers, 431. 
Orientation, 244. 
Out-apiaries, 232. 
-apiary house, 25. 
-door colonies, 52. 
-door wintering, 350. 
Outside work of workers, 118. 
Ovaries, 181. 
Overproduction, fear of, 5. 
Overstocking, 218. 
Packing cases, 351. 
in winter, 350. 
Palestine hives, 5, 8. 
Paralysis, 410. 
Parent colony, 69. 
Parthenogenesis, 186. 
Petersen, 114. 
Pharyngeal glands, 111. 
Philosophy, bees as basis for, 35. 
Pickled brood, 402. 
Pipe, German beekeeper’s, 30. 
Plain sections, 308. 
Plan of body of bee, 133. 
Planta, v., 115. 
Plant honey-dew, 370. 
Plateau, 117. 
Play flights, 105. 
Poetic conception of bees, 35. 
Point of view in behavior investiga¬ 
tions, 35. 
Poison, 160. 
immunity to, 13. 
Poisonous honeys, 369. 
Pollen, cells for storage, 50. 
gathering, 85, 123, 365. 
in larval food, 115. 
in winter, 358. 
plants, 359. 
source of enzymes, 85. 
substitutes, 263. 
Popular works on bees often faulty, 
36. 
Portable extracting outfits, 293. 
Porto Rican apiary, 19. 
Position of supers, 314. 
Post-constructed queen cells, 62. 
Power extractors, 297. 
Pre-constructed queen cells, 62. 
Premature swarms, 74. 
Presses for wax, 335. 
Preventive manipulations, 270. 
measures, 268. 
Professional beekeepers, 2. 
beekeeping, advantages, 16. 
Profits in beekeeping, 19-21. 
Propolis, 85, 117. 
collection, 126. 
removal, 325. 
used in natural nest, 52. 
Protection in spring, 257. 
in winter, object, 344. 
of larva, 100. 
of nest, 52. 
Proteid digestion, 147. 
Protoplasm, 94. 
Proventriculus, 113. 
Pump for honey, 300. 
Puncturing of fruit, 368. 
Pupa, external changes, 102. 
Purity of comb-honey, 301. 
of race, 429. 
Queen and drone trap, 32, 273. 
breeders, 417. 
cells, 49, 62. 
cells, saving of, 419. 
description, 40. 
-excluder, 277. 
food, 116. 
in swarming, 63. 
mating flight, 69. 
