STKUCTURE AND MODE OF ACTION OF "OVAL." 



563 





•Ou-fen. Layei* 

 Fia.?». Ol^cn Ovrtl[«-n vttticnj. C«i.|pilUry (sle^us 



yS<y. £|5iH»cl 



^^=-Rd»A.N*v!^lc 





n.*\5ae*e/nt» AH aha A 

 ^bsffenct* cbcni-nj. 



Pro>.cmal |>©rhtm o|- 



Cavity c>|- OvaI 



bladders oj- oH>er' -V*"!^) 

 All ^'^ »>'<H ovaIs- 



rt^.S". ^trivAhon ol- OvaI , ^ccorA'i-ng ho Tracy. 



