EDIBLE FROG (RANA ESCULENTA) 



PLATE XX1L 



F14.2 Atfaary region si 



J ~ 



Fit. 4. Essential farts at* Hitman Ear 



Fi*.8 Jtenal & Reproductive organs 



&, Reprodutixes organs (Male*} 



Ftfc.lO Section -of UrinJf'fTdus Tubule. 



Fifc.lZ Ovum 



of ROTLOJ ttmpoj-aria; 



K 



RJI3 TaJpoU.si<U*U~ ^.,4 Tht^am^altrul. 



'Jfaeai sac. 



CTj* _- - 



IjH&urt/ "" " 

 ^ 



"EactfrnttL branzhLas 



Fig.15 Tadpole> farther advanced; 

 SucJws -j 



Rudiment, &f- 

 JKndf- larib 



~\-n Tadpole* fftad; enlarged' sid& 1 



^Pp-w fy> ---. 



&vm*i*> <Mls j*s 



' A 



Sa&ernaJt brtijirjiijas- 



Tubules 



WiAK.Jolm.t0n. Edinborgh I London 



