HALL 



MESONEPHllOS AND MULLERIAN DUCT IN AMPHIBIA. Ill 



Figures 0-T. 



Six dia^^ammatic figures representing the relation of the Mulleria^^^^^^^^^^^^ 



nephrostomes, the MuUerian duct to the A\ olfhau, etc ^he M llerian e^ a 



are somewhat below the nephrostomes in each case and the Mulleuan duct is below 



Figu^t: O^fp'epresent two stages in elasmobranchs; Figure Q a hypothetical primit^^^ 

 condition in Amphibia; Figure R shows the condition m Amblystoma, Fij,ure b, that 

 in Hyla; and Figure T, that in Rana. 



