104 



THE GENESIS OF SPECIES. 



[CHAP. 



In other cases, however, there is not even the help of 



HORNED FLIES. 



protective action to account for the phenomenon. Tims 

 we have the wonderful birds of Paradise, 1 which agree in 



THE MAGNIFICENT BIRD OF PARADISE. 



developing plumage unequalled in beauty, but a beauty 



1 See "Malay Archipelago," vol. ii. chap, xxxviii. 



