n6 THE WALKS ABROAD OF 



successful conclusion. At this moment when it is 

 ceasing to be an inhabitant of the water, contact with 

 the water that has hitherto been its proper element 

 is fatal to it, by preventing it from taking flight, so 

 that in rough weather many of these living barks are 

 shipwrecked, and the unfortunate insect perishes 

 without having been able to fly at all." 



TINDER SURFACE OF THE PHYLLOXERA OF THE VINE, WINGED FORM. 

 MAGNIFIED ABOUT SIXTY TIMES. 



"I must admit," said Eene, "that the examples 

 of the two orders you have told me about are 

 wonderful. Indeed, I suspect you made a judicious 

 choice on purpose to interest me. Was it not so?" 



" Certainly not ; the choice of these two instances 

 was entirely unpremeditated, and in point of fact, any 

 insect taken by itself affords astonishment to one 



