GEOLOGICAL SURVEY OF THE TERRITORIES. 9 



approval of the students of geology and natural history all over the 

 country. I trust, therefore, that they may be continued from year to 

 year, as long as the survey shall receive the sanction of the Govern- 

 ment. 



The annual report will contain catalogues of species which will be 

 useful in determining the geographical distribution of plants and ani- 

 mals in the West, the meteorological observations, and all the notes of 

 a more practical character on the agricultural and mining resources, &c. 



The final reports will be in quarto form, and will contain only the new 

 and little-known species of that region requiring detailed description 

 and illustration, the general geology, with maps, sections, and other 

 illustrations. 



The type series of the collections in all departments are arranged in the 

 museum of the Smithsonian Institution, according to act of Congress. 



The duplicate specimens are then separated into sets, and distributed 

 to the various museums and institutions of learning in our country. 



I would respectfully call the attention of the Secretary to the names 

 of men. eminent in the scientific world, connected with the special arti- 

 cles in my annual report of this year as well as that of last year. The 

 investigations of such men as Leidy, Cope, Lesquereux, l^ewberrry. Meek, 

 Porter, Uhler, Horn, and Edwards, will give to these reports a lasting value 

 for all time. These gentlemen have generously consented to become col- 

 laborators for the final reports, and are now preparing memoirs on special 

 branches, which will form solid and permanent contributions to knowl- 

 edge. The obligations to these gentlemen are increased from the fact 

 that the greater part of the work is a ^' labor of love," without any com- 

 pensation from the Government. 



In conclusion, I beg permission to extend to the Secretary of the Inte- 

 rior and to General B. R. Cowen, Assistant Secretary, my most grateful 

 thanks for the generous facilities they have placed at my command, and 

 for the kindly interest they have ever felt in the progress of the work. 

 If these explorations in the far West shall tend to the honor of our 

 country or to the increase of human knowledge, the main object will be 

 attained. 



Very respectfully, your obedient servant, . 



F. V. hayde:n^, 



United States Geologist. 

 Hon. 0. Delano, 



Secretary of the Interior. 



