TADPOLES AND FROGS. 195 
OEREBRUM 
MEDULLA 5 
OBLONGATA_} 
CEREBELLUM 
SPINAL CORD 
SPINAL OOLUMN 
—— 
és a OuT ENDS OF 
i WOE SPINAL NERVES 
e 
Fic. 154.—Brain and Spinal Cord of Man. 
