INDEX OF ENGRAVINGS. 



Plate Page 



1, 2, L. L. Langstroth I, II 



3,4, Charles Dadant V, VI 



o Queen, drone, worker 2 



6 F. Huber 8 



7 Gaetano Barbo 20 



8 Legs of worker-bees 21 



9 F. R. Cheshire 33 



10 Ovaries of the queen 56 



11 Dzierzon 60 



12 A. J. Cook 96 



13 Gaston Bonnier 122 



14 M. Quinby 140 



15 A. I. Root 178 



Plate j 'age 



16 E. R. Root._ 178 



17 Amary in California 216 



18 W. Z. Hutchinson 242 



19 Cell-cups and queen-cells 278 



20 G. M. Doolittle. 282 



21 T. W. Cowan 356 



22 J. Mehring . .334 



23 Foundation moulding table 390 



24 E. F. Phillips._„ 400 



25 C. C. Miller.__ 438 



26 F. Di Hruschka 454 



27 Ed. Bertrand.__ 478 



28 N. E. France 486 



557 



