Il6 MY STUDIO NEIGHBORS 



fact which, singularly enough, the latter's own 

 pages proved without his suspicion. 



Thus we see the four successive steps in pro- 

 gressive knowledge, from Grew in 1682, Linnaeus, 

 1735, Sprengel, 17S7, to Darwin, 1857-1858, and 

 realize with astonishment that it has taken over 

 one hundred and seventy-five years for humanity 

 to learn this apparently simple lesson, which for 

 untold centuries has been noised abroad on the 

 murmuring wings of every bee in the meadow, 

 and demonstrated in almost every flower. 



This infinite field now open before him, Dar- 

 win began his investigations, and the whole world 

 knows his triumphs. He has been followed by a 

 host of disciples, to whom his books have come as 

 an inspiration and ennobling impulse. Hilde- 

 brand, Delpino, Axell, Lubbock, and, latest and 

 perhaps most conspicuous, Hermann Muller, to 

 whom the American reader is especially referred. 

 " The Fertilization of Flowers," by this most 

 scholarly and indefatigable chronicler, presents the 

 most complete compendium and bibliography of the 

 literature on the subject that have yet appeared. 

 Even to the unscientific reader it will prove full of 

 revelations of this awe-inspiring interassociation 

 and interdependence of the flower and the insect. 



Many years ago the grangers of Australia de- 



