ILLINOIS BIOLOGICAL 

 MONOGRAPHS 



Vol. VI January, ixjio No, i 



THE NASAL ORGAN IN 

 AMPHIBIA 



WITH 10 PLATi:S 



liY 



GEORGE MARSH HIGGINS 



Price $1.00 



PUBIISIIED BY THE UnIVERSTTY OF ILLINOIS 

 TJNDEH THE AUSPICES OF THE GRADUATE SCHOOL 



UsBANA, Illinois 



