URINOGENITAL ORGANS. 



291 



posteriorly into the side of the cloaca. In the female the 

 miillerian duct forms the oviduct ; its abdominal opening is far 



^^aI lJ:3-—T^rinogenitai organs of the left side of a a male, and b a female salamander partly 

 tl%^^f^%%°.Z^^^M^- ^ prostate glands ; HI longitudinal (mesonephric) dSct of 

 t„H;^o1 H.^ V ' *''°*''* • ^S o^'dnct ; N kidney with collecting tubules passing to tlie lonei- 

 of the ma"e ' "^ °^"^ ' ^'^ ' "' ^^* «ff"entia ; Wff longitudinal (mesone^hriOdu^t 



forward, and posteriorly it opens laterally into the cloaca. It 

 generally persists as a vestige in the male. The cloaca possesses 

 a vesicular ventral appendage— the cloacal or allantoic bladder, 



