CROSSINQ EUSCHISTUS VARIOLARIUS AND EUSCHISTUS SERVUS. 373 



Plate 34. 



Photo 58. The pure male variolarius tliat was raised in the laboratorj^ iu 1912, and the 



same season fertilized both a pure female variolarius and the Fi hybrid 



female of Kecord XI., and pages 345, 353. 

 Photos 59-61. Ten males from the above mentioned pair of pure variolarius. See 



photo 58 for the male of this pair. 

 Photos 62-66. Eighteen males from the above mentioned Fi hybrid female, fertilized bv 



the pure variolarius male of photo 58, Record XI. and pages 345, 352-3. 



31^ 



