THE SNAP-DEAGON FAMILY 



371 



(4) The fourth question stated above may be termed 

 Weismann's problem. It has caused more discussion than any- 

 other Darwinian question, and has divided evolutionists into 



Fig. 122 



speciosa (J nat. size). 



two camps. It is by no means solved as yet, though perhaps 

 at times we feel that we have a glimmering of the solution. 



These, and other similar problems, are of the highest interest 

 to biologists, and not without their bearing on human life, but 



