134 



n. Exploration of tlie Territory of Minnesota by Capt. Pope. 



Wash. 1850. 

 o. Report on Sugars and Hydrometers. By Prof. R. S. M'Culloch. 



Wash. 1848. 

 p. Report on Ihe Copper Lands of Lake Superior Michigan. 



By Foster & Whitney. Wash. 1851. 

 q. Reconnoissances in New-Mexico. By Messrs Simpson and 



others. 

 r. Map of Mineral Lands of Lake Superior. 

 s. Map of Arkansas, del Norte and Gila. By Major W. H. 



Emery. Wash. 1847. 

 t. Map of the Upper Missisippi. By I. N. Nicole«. Wash. 1843. 



Fra Professor Quelelet: 

 Notice sur Henri Chrétien Schumacher. Bruxelles 1851. 



