INDEX. 



397 



Composition for coruors of liives, to 

 sucLiru thorn from moths, 78. 



CwiifaotioaLTs, how tUoy may provout 

 iiiiaoyauoQ from boos, 277. 



Control of comb, ossoutial to a true sye- 

 tfia of bee-culturo, 205^ 



Corsica, aaciont, yield of honey of, 804. 



Dampuosa, injurious to boos, 90, 05, S38- 

 342, 346,348 J produces dysentery, 258. 



Dandelion, I'uruishoa honey and poUon, 

 292. 



Dangers of too rapidly multiplying stocks, 

 176-178 ; of usiag hives of uniform 

 size, shape, and color, 214. 



Daylight, uoedod for operations on bees, 

 167. 



Denmark, its honey-produce, 304. 



Desertion of hives by swarms, indications 

 and prevention of, 115. 



Diseases of bees, 255-260. 



Dishonesty, as poor policy in, bees as in 

 men, 262. 



Dissection of queen bees 34, 213 (note). 



Disturbing bees in cold weather, inju- 

 rious, 256, 335, 347, 355. 



Dividing hives, worthless for artificial 

 swarming, 149, 150. 



Donhoff, Dr., on artificial impregnation 

 of a drone-egg, 41 ; on thickness of 

 sides of cells, 71 (note); his mode of 

 forced swarming, 163 ; his experiment 

 indicating a division of labor among 

 bees according to age, 194 ; on food of 

 bee -moth larvae, '233 (note); on eggs 

 of bee-moth, 334 (note 2). 



Double-stocks, produce a urge yield of 

 honey, 135. 



Doubling stocks yearly, 185. 



Draining combs of honey, 288. 

 iterawings, explanation of, for making 

 mov. comb hive, 371. 



Drone-comb, wood-cut of, PI. XV., Fig, 

 48 J the cause of excess of, 51 ; excess 

 of, should be removed from breeding 

 apartments, 51, 225 ; if new, advanta 

 geous in boxes for surplus honey, 130. 



Drone-eggs, not impregnated, 37; attempt 

 ■ of bees to rear a queen from, 39 ; arti- 

 ficial impregnation of, 41 ;, laid by 

 superannuated queens, 49. 



Drone-Iaymg queens, 38,40,213 (note); 

 use to be made of, 214 (note), 327. 



Drones, or male-bees, produced by re- 

 tarded impregnation of queens, 36 ; 

 always by unfecundated eggs, 37 ; 

 often by unfecundated queens, 37, 127 

 (note) ; their development from egg 

 to insect, 46 ; description and wood- 

 cuts of, 49 : PI. Xn., Figs. 33, 34 

 (natural and magnified size) ; office 

 of, to impragnate young queens, 49 ; 

 ttei6 of their appearance, 50 ; often 



very numerous, 60 : how to prevent 

 excessive multiplication of, 51 ; why 

 destroyed by workers, 62, 224 ; wis- 

 dom displayed in providing so many, 

 63; length of life, 58:4)eri8h in im- 

 pregnation of queen, 125, 126 (note); 

 never molest queens in hive, VAI 

 (note); on leaving the hive, are filled 

 with honey, but on returning are 

 empty, 224 ; Butler's description of, 

 224 ; destroyed by ancient bee-kecpers. 

 51, 226 ; easily destroyed by use of 

 mov. comb hive, 225 ; their anxiety 

 when excluded from the hive, 225 ; 

 their odor, 226 (note 1): how to pre- 

 vent common, from impregnating 

 Italian queens, 326 ; refrigerated 

 queens produce only, 327. 



Drought, failure occasioned by, 178 

 (notej) . 



Drumming on hive subdues bees, 210 

 (note). 



Dunbar, his description of how queen 

 lays, 43. 



Dysentery- from bad ventilation, 90 ; 

 from dampness and sour honey, 256 ; 

 how prevented, 256 ; makes bees cross, 

 310 ; caused by want of water in 

 Winter, 343. 



Dzierzon, facts connected with the inven- 

 tion of his hive, 19 ; rise of his system, 

 19 ; his apiary nearly destroyed by 

 " foul brood," 19 ; committee of apia- 

 rian convention report favorably on 

 his system, 20 ; it creates a revolution 

 in German bee-keeping, 20 ; profits 

 of his apiary, 21 ; discovered that un- 

 fecundated eggs produce males, 37; 

 thinks some brood may be raised 

 without pollen, 81 ; discovered rye- 

 meal to be a good substitute for pol- 

 len, 84 ; supposes sound of queen's 

 wings excites -drones, 127 (note) ; his 

 mode of forcing swarming, 186 ; his 

 estimate of the value of a queen, 192 

 (note); his treatment of foul brooil, 

 2&7 ; recommends the cultivation of 

 buckwheat, 296 ; on the difficulty of 

 estimating profits of bee-culture, 306 

 (note); his experiments with the Ital- 

 ian bee, 320 ; thinks bees not injured 

 by the opening of their hives; 321 

 (note) ; his mode of wintering bees, 

 348. 



E. 



Eggs of bees, how fecundated, 35 ; fecun- 

 dated produce females, unfecundated, 

 males, 37; sex of, determined by queen, 

 38 : what is necessjiry to their impreg- 

 nation, 41 ; no difference in size be- 

 tween drone and worker eggs, 42 ; 

 process of laying, 43 ; description of, 

 44 ; PI. Xm., Eig. 39 ; degree of heat 

 necessary to hatch them, ,46; power 



