Ov. 



ModLd 



ANG 

 Foal, 



MG 



CI 



Fig. 288. — Ukinogenital Organs of Pi oloptenii, annecfmjs. A, Female; B, 

 i'ouNG Male. From the' ventral side. (After W. N. Parker.) The peritoneum 

 is removed on the riglit side in A, and on the left in B. 



In both fifjiires : N,N^, kidneys ; Ost, coelomic aperture of Miillerian duct ; ly, Ig, 

 lymphatic tissue in connection with the kidneys ; jN^t?, kidney ducts : ANO, 

 apertures of kidney ducts into the cloaca {CI) ; Pap, genital papilla in the 

 cloaca formed by the fusion of the base of the Miillerian ducts ; PD, cloaoal 

 cseoum ; Pc, rectum ; Poab, abdominal pore ; Cp, postcaval vein, connected 

 bj' transverse anastomoses (a?7s) with the left posterior cardinal vein (Ilcarci!). 

 The veins from the gonads are also indicated. 



In A . OV, Oi'^, ovaries ; ord, ord', oviducts. 



In B : Hod, testes, with their investment of lymphoid and adipose tissue {LG) ; 

 Hod. O, free portion of sperm-duct, uniting with the Miillerian duct (MO) 

 at *. 7'(r, peritoneum. 



