Full text: Problems in eugenics

24Exhibit C 54 
Pearson endeavoured to prove a high degree of inferiority in 
the first born, physically and intellectually as well as morally. But 
his results are very open to attack, as Weinberg has recently shown; 
one is reminded of Pearson’s results in Crzellitzer’s Figure C 54— 
first and later born. Crzellitzer writes thus about this — “ A high 
degree of myopia is more frequent amongst first born than among 
later children. The disadvantage of the first born in respect of 
myopia is based on a greater hereditary taint and on no other 
factor. Where there is no hereditary taint about one quarter to 
one-third are affected, no matter whether first, second, third, etc.,
	        

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