I 



Huot f'02), Ryder (*&>), - -^s, 



it the fertilization t 

 ulation, while A. f'53) think .hat 



it follows lat Ekstroem f ' 31 ) believes it takes place 



m belief is t 

 sperras and ova ar - lultaneoui I have 



no direct Evidence, I wish to adduce t. facts cor- 



robor • conclusi 



I believe th extra 



L excitation of t es, descri -ve, 



is intended to pr 

 sexual :':s. In the desci 



ttention to . 

 excitements in Amphibia, Ganoidei a 

 preparatory t s as well as of eggs. 



But thefeecond set of 3na is still more strongly 



corroboratory, 



during the night I ,ted, i 



aquarium for four days, and then the fe ed, her 



ovaries excised, cut up, and put into fixing fluids while 

 some of the ov i fell intc . cavity, 



were also :il . When these s xamined s 



later, a - ■ 



closed, other eggs 



