THE FEMALE FROG. 101 
in size, and becoming much convoluted. The 
lower ends are much dilated, but have thinner 
walls. Unlike the male the female has genital 
ducts distinct from the ureters. 
2. The cloaca: 
Dissect as in the male. 
i. The cloaca: very similar to that of the male. 
ii, The bladder: like that of the male. 
iii, The oviducts: open separately into the dorsal wall 
of the cloaca just above the bladder by two wide 
apertures separated by a narrow median partition. 
iv. The ureters: open by two small apertures placed 
close together into the dorsal wall of the cloaca 
just behind the oviducts. 
