UMNOGENITAL ORGANS 



369 



Only slight remnants of the mesonephros and Wolffian duct persist 

 in female Reptiles, and these undergo fatty degeneration. They are asym- 

 metrical, and are arranged in a single row on either side, between the oviduct 



Fig. 294.— Female Urinogenital Appabatus of Lacerta mm-alU. 



V kidnevs • Ur^ apertures of the ureters into the cloaca (CI) ; B, urinary bladder ; 



" ' R> neck of the latter (cut open) ; R, rectum ; B\ opening of rectum into the 

 cloaca • Of ovaries ; t, remains of mesonephros ; Od, oviducts, which open 

 into the cloaca at Od} ; Ot, abdominal openings of oviducts. 



and vertebral column. The remains of^ the Wolffian duct are more 

 marked in female Snakes, Chelonians, and m Geckos than m the majority of 

 Lizards. g ^ 



