m the tropics : m. 



169 



ponding recessive, yielded 50 per cent. — more or less — of the 



heterozygote and of the recessive types respectively. The 



results are expressed as percentages of the heterozygote 



(usually dominant) type throughout. 



Grand total : 56,028 Het. : 55,669 R. ; together 111,697. 



That is : 50*17 per cent. Het. (Expectation 50*11).± 



The individual percentages shown by the 247 samples were 



as follows : — * 



Percent. 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 

 No. 1, — — 5, 3, 5, 13-5, 13-5, 30, 31-5,41, 30,22-5, 



Percent. 53, 54, 55, 56, 57, 58, 59, 60 

 No. 19-5,14-5, 7, 3, 2, 1, 3, 1. 



The series is shown graphically in the accompanying 



diagram : — 



Fig. 4. 



* The numbers are derived from Tables 3, 4, 5, 6, 7, 8, 9, 10, 11, 

 12, 28, 30, 31, 33, 35. 



