SUPPLEMENT TO THE FIFTH ANNUAL REPORT 



UNITED STATES GEOLOGICAL SURVEY 



THE TERRITORIES FOR 18T1. 



F. V. HAYDEN, 



UNITED STATES GEOLOGIST IN CHARGE. 



REPOET ON FOSSIL FLORA.— By Leo Lesquereux. 



CONDUCTED UNDER AUTHORITY OF THE SECRETARY OF THE INTERIOR. 



WfASHINGTON: 



GOVBB,NMI5NT PEINTTNG OFFICE. 



1872. 



