74 



OVIDUCTS OF MARSUPIALS 



Fig. 48. — Female urino - genital 

 apparatus of various Marsu- 

 pials. A, DiiJdjihjis dorsigera 

 (young) ; B, Tricliosurus ; 

 C, Phoscolomys wombat, B, 

 Urinary bladder ; CT, 

 " cloaca " ; Fiiii, fimbriae ; 

 <7, clitoris ; iV", kidney ; Od, 

 Fallopian t^lbe ; Ot, aper- 

 ture of Fallopian tube ; Ov^ 

 ovary ; r, rectum ; *S^, sep- 

 tum dividing vagina ; AV'//, 

 iirino - genital sinus ; ^V, 

 ureter ; U(, uterus ; Ut\ 

 opening of the uterus into 

 the median vagina ( VgB) ; 

 Vy, lateral vagina ; Vg\ its 

 opening into the urino-genital 

 sinus ; f (in B), point of 

 approximation of uteri ; t (in 

 C) and*, rectal glands. (From 

 Wiedersheim's Comparative 

 Anatomy.) 



extruded ova to follow. This series of steps in the perfectino- 

 of the mode of safe extrusion of the ova is highly interestino- 



