12 DR. CUETIS TO. THE STATE GEOLOGIST. 



forms the north and south limits of many interesting 

 productions in Natural History, belonging both to 

 the vegetable' and animal kingdoms ; and it has been 

 regarded an important Avork to fix definitely the true 

 north and south boundaries of species belonging to 

 these kingdoms.* 



In view of these considerations, together with 

 many others which will, no doubt, be suggested on 

 reflection upon the whole subject, it is hoped that 

 your Excellency, with the Honorable Gentlemen 

 constituting the Literary Board, will give pub- 

 licity to the labors of Dr. Curtis, who has consented 

 to assist me in this part of the State Survey. 

 I am, Sir, 



Your obedient Servant, 



E. EMMONS, 



State Geologist. 



Dr. Curtis to the State Geologist. 



To Prof. E. Emmons, Geologist 



of the State of Noi'tTi Carolina : 



Dear Sir : In compliance with your request, that 

 I would furnish, in connection with your general 

 Survey of the natural resources of the State, an ac- 

 count of its vegetable productions, I have prepared 

 the following paper upon the Woody Plants of 



