ISrOTE. 



Department of the Interior, 



United States Geological Survey. 



Washington, D. C, May 16, 1890. 

 On the 27th of September, 1882, at the request of Dr. F. V. Hayden, 

 the completion of the pubHcations of the United States Geological and 

 Geographical Survey of the Territories, formerly under his charge, was 

 committed to the charge of the Director of the Geological Survey by the 

 following order from the honorable the Secretary of the Interior : 



Department of the Interior, 



Washington, September 27, 1882. 

 Maj. J. W. Powell, 



Director U S. Geological Survey : 

 Sir: The letter of Prof. F. V. Hayden, dated June 27, beai-ing your 

 indorsement of July 20, relating to the ui:published reports of the survey 

 formerly under his charge, is herewith I'eturned. 



You will please take charge of the publications referred to in the same, 

 in accordance with the snggestions made by Professor Hayden. 



It is the desire of this office that these volumes shall be comjileted and 

 published as early as practicable. 

 Very respectfully, 



H. M. Teller, 



Secretary. 



Of the publications thus placed in charge of the Director of the United 

 States Geological Survey the accompanying volume is the third to be 

 issued, the preceding being " The Vertebrata of the Tertiary Formations 

 of the West," by Edward D. Cope, and "Contributions to the Fossil Flora 

 of the Western Territories," by Leo Lesquereux. 



J. W. Powell, 

 5 Director. 



