In the female Platana note : — 



(a) The ovaries, a pair of irregularly-lobed organs usually consisting of 



a mass of rounded black and white bodies, the ova. The 

 ovaries are attached to the dorsal wall of the body cavity by a 

 fold of the peritoneum. 



(b) The corpora adiposa lying in front of the kidneys. 



(c) The long convoluted oviducts opening into the body cavity in front 



and into the cloaca behind. 



The ureters open separately into the cloaca in the female. 

 Make a drawing of the urinogenital system. 



Ovary 



Oviduct H 



-Corpora 

 adiposa 



Ova --• 



Oviduct -- 



Ureter 



Ovary- 



Corpora 

 adiposa 



Fig. 10. — Female Urinog-enital System of Xenopus and Rana. 



28 



