MATHEMATICS AND ENGINEERING IN NATURE 457 



ARAPAHOE PEAK 



MAP 



or 

 ARAPAHOE CLACl 



)i *taUe 



Fig. 7. 



of their respective numbers is generally 3 to 1. To explain this fact, 

 first observed by Mendel, the hypothesis is made that in crossing the 

 specific sexual elements merely associate and do not form a new uniform 

 individual element. Among the G- and If -elements, in equal numbers, 

 the following combinations are possible during the act of generation : 



and G, 



G and W, 



W and G, 



W and W. 



Fig. 8. 



