36 



THE HOLLOW CURVE 



[CH. IV 



tain range to see his best girl, but marries in his own valley. The 

 result has been a very interesting distribution of surnames. 



1^ 



FAniLICS in ORDtR Of SIZE 

 SHOWmC MUMbERS or CLOEPA 



WITH DirrtRcnT nunBLRi or iPLCiLb. 



00 



0\ 



6135 



cnera 



Fig. 2. Hollow curves exhibited by the grouping into sizes of the genera in 

 the first 15 largest families of flowering plants. Each curve is diagonally 

 above the preceding one, as indicated by the heavy black dots (points of 

 origin). Note that the curve almost always turns the comer between the 

 point marking the number of genera with 3 species, and that marking the 

 number with 5 (indicated by the dotted lines). The number after the name 

 of the family shows the number of genera in it. 



In a great proportion of the villages in the canton, some 

 hundreds in number, there are local names found only (i.e. en- 

 demic) in one village each, sometimes on one farm only, some- 

 times on two or more. Sometimes the names occur in two or 



