GENITAL ORGANS 



481 



E 



F 



FIG. 361. VARIOUS FORMS OF UTERI. A, B, C, D, diagrams showing the 

 different stages in the fusion of the Miillerian ducts : A, uterus duplex ; B, 

 uterus bipartitua ; C, uterus bicornis ; D, uterus simplex ; E, female urino- 

 genital apparatus of Muxtditia, containing embryos (* *) in the uterus ; F, 

 ditto of Hedgehog (Erinaceus). 



B, urinary bladder ; Ge, cervix uteri ; JV, kidney ; Wii, adrenal ; Od, Fallopian 

 tube ; Of, abdominal aperture of Fallopian tube ; r, rectum ; Sug, iiri no- 

 genital canal ; Ur, ureter ; Ut, uterus ; Vg, vagina ; t, t, accessory glands. 



where the Wolffian duct persists in the female, it passes from the 

 parovarium to the urinogenital canal, and is spoken of as Gartners 

 duct (Fig. 339, H). 



A fold of the skin of the abdomen, forming a pouch or mar- 

 mpium is present in Echidna and to a greater or less extent in 



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