Plate 21. 



T. W. COWAN, F. G. S., F. R. M. S. 



Editor of the '^British Bee Journal." 



Author of "The British Bee-Keeper's Ouide Book" and of "The 



Honey-Bee." 



This writer is njentioned pages 12. 146, 195, 239, 356, 469, 479, 480. 



481, 487. 



