CONTENTS. xv 



Page 



48. A NEW GALLERY OF PRACTICAL SCIENCE . . . 394 



" We challenge all the nations." Insect artisans, whose tools of 

 divine adaptation, and works divinely guided, defy, unpresumingly, 

 all human competition 403 



49. TWO THINGS OF DIFFICULT DEFINITION . . .404 



" More ways than one of getting at the bottom of a secret" A portly 

 Humble Bee, one too bulky for entrance at the spring door of the 

 Snapdragon, leading to its nectary, bores a hole at the bottom of the 

 floral cask to obtain its honeyed wine 413 



50. THE SPIRITS OF HEARTH AND HOME . . . .414 



" Memory, painter of the past, let us invoke thee" Acheta, in a re- 

 view of past stages, traces the development of his own imago, his 

 present self 430 



