c:^-^ 



posterior pocket of coelom, 



anus 

 abdominal pore 

 genital pore 

 urinary pore 



bladder 



oviduct 

 bladder (drawn out to side) 



nephric duct 

 J J ovary — - 



coelom_ 

 gut- 



bladder 



/g) @ nephric duct 



(/y^^:^- oviduct 



nephric duct 

 bladder,. ® _ ® 

 oviduct- 

 coelom '' 



testis (cross-hatched)- ^nnmnffl^ 

 coelom_ 

 gut— 



bladder 



H 



Figure 10-42. Structure of the reproductive tracts of teleosts. A, semidiagrammatlc ventrolateral 

 view of typical female system; B, C, D, E, cross sections at the levels indicated in A; F, sagittal sec- 

 tion of typical female; G, sagittal section female salmon; H, sagittal section of male salmon. (After 

 von den Broek, 1933) 



bladder. 



caudal vein 

 nephric duct 

 kidney 



swim bladder 



oviduct opening into coelom 



tubular ovary 



bladder- 



swim bladdi 



seminiferous tubules 



coelom 



intestine 



bladder 



A B 



Figure 10-43. Three cross sections showing interrelationships of parts of female, A and B, and 



mole, C, of the lantern fish l.ompanycfus /eucopsarus. 



330 • THE UROGENITAL SYSTEM 



