^57,5 



UNITED STATES GEOf/XlKJAL SURVEY 



CHARLES D. WALCOTT, DIKECTOK 



FOSSIL FLORA 



LOWEE COAL MEASUEES 



MISSOUEI 



D ^ A^ I D A^^ l-I I T E 



WASHINGTON 



GOVERNMKNT PRINTING OFFICE 

 18 9 



