532 ^ CONTENTS. 



TABLE OF CONTENTS— Continued. 



Nos. Titles. Pages. 



ART. XXVL— Notes on tlie Ornitliology of the Region about tlie 

 Source of tlie Red River of Texas, from observa- 

 tions made during tlie Exploration conducted 

 by Lieut. E. H. Ruf&ier, Corps of Engineers, U. S. 

 A. By C. A. H. McCauley, Lieutenant TMrd 

 United States Artillery. Annotated by Dr. El- 

 liott Coues, U. S. A 655-695 



ART. XXVII— Catalogue of the Land and Fresb-water Shells of 



Nebraska. By Samuel Augbey, Pb. D 697-704 



ART. XXVIIL— Notes on tbe Greograpbical work of tbe United 

 States Geological and Greograpbical Survey of 

 tbe Territories. By A. D. Wilson, Chief Topog- 

 rapher. (Plates 35-39) 705-737 



