HERMAPHRODITISM IN EURVCEA BISLINEATA. 



363 



though of smaller size, were perfectly normal in appearance. 

 They have the typical relationship to the testicular lobules, and, 

 owing to their earlier stage of growth, do not bulge out so con- 

 spicuously from the surface of the gonad as in the case of the 

 metamorphic stage (cf. Fig. 6 B and C}. 



JM^y^-w 



';/; 'SA-H ' -i--' \>v v ; ;- -'<" 

 -'r> ji'&K xi*; '^9 '"'<i>- ! 



^'^V->J*^" -ji j ' ^'.^^T "^ I 



? '^^S^,7 



| :-pMo!t^''S ^--yV , W 







*-- T^' 'fej .'K!@-, ) * 

 I, /^fe.^ 



P- 



O--- 



Mmm Pi 

 "----ml&i^- '-''- 



#...->:-<.. - . - .' -, >:- 

 r.^V'Jv^i; K 



' 'fesf^:;.;; ': ^ - :. \ 



siSsStf;: * ':' : ' V.,.- 



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FIG. 8. Horizontal sections through corresponding regions of the gonads 

 shown in Fig. 7 of (A) male; (B) hermaphrodite; (C) female (X 356). Cc, 

 central cavity ; /, follicles ; o, ova (primary oocytes) ; p, peritoneal investment ; 

 pi, polymorphonuclear germ cells (primary spermatogonia) ; tl, testicular 

 lobule ; yo, young primary oocytes. 



