INFLUENCE OF AGE OF MOTHER. 



379 



These males were classified as genitalia aberrant, one; genitalia 

 lacking, nineteen; digestive tract deficient, nine. Four females 

 were deficient in digestive tract, one in genitalia and digestive 

 tract. 



STRAIN SHOWING HEREDITARY DEFICIENCY IN GENITALIA AND 



ANTENNAE. 



Deficiency in genitalia and in antennae characterized cultures 

 derived from a female of Lancaster stock 10. Deficiency in 

 digestive tract did not occur among these with the exception of a 

 single male (of fraternity FiA in Table C). This specimen was 

 also deficient in genitalia and antennae. 



TABLE C. 



MALES SHOWING DEFICIENCY IN ANTENNA AND GENITALIA. THREE GENERATIONS 

 DESCENDED FROM "MUTANT" FEMALE FROM STOCK 10. 



* Sixteen unclassified deficient of vial a are included here. 



