■i 



\^ 



\ 



\i 



%,■ 







'■'■p^M^-: 



© 



XCI. 



RANA PIPIENS. 



TRANSVERSE VERTICAL SECTION THROUGH THE 

 MIDDLE OF THE CEREBRUM. 



Gelatine Negative No. 151. Miller Bros. 2 1-2 Inch. 



