■( 742 ) 



ploratîons for a railroad route from Mississipi river to the 

 Pacific Océan; for E. Durand and T. C. Hilgard. Washington, 

 1855;in-4°. 



Memoir ofthe late Thomas Nultall; by Elias Durand. Phi- 

 ladelphie, 1860; in-8». 



r 



FIN DU TOME X DE LA 2"^ SÉRIE. 



