41? 



tubes. The ovaries of Arixenia (text-fig. 26) and Heminierus 

 are of the second type. In both genera there are but few ovarial 

 tubes, each of which matures only one egg-cell, and the wall of the 

 oviduct is very thick and folded to admit considerable expansion. 



Fig. 26. — Reproductive organs of .¡nxenia jac^bwiii J 

 seminis ; clu, clutch. 



rs, receptaculum 



When first examining the ovaries of Arixi-nia I liad before 

 me only one specimen and the torn-oit tail-end of another female, 

 and these gave me the impression that Afixonn was oviparous, 

 but produced an uncommonly large egg. On applying to Herr 

 Jacobson for some more females I promptly received several 

 examples of both sexes (of the original batch), which enabled 

 me to rectify my statement expressed at the Congress. Arixenia 

 53 



