LETTER OF TRANSMITTAL. 



AMERICAN MUSEUM OF NATURAL HISTORY, 



New York, May 6, 1901. 



SIR: I have the honor to transmit herewith a Bibliography and 

 Catalogue of the Fossil Vertebrata of North America. 



I take pleasure in acknowledging the interest which you have shown 

 at all times in the preparation of this work. 



I am, with great respect, your obedient servant, 



O. P. HAT. 

 Hon. C. D. WALCOTT, 



Directed of the U. S. Geological Survey, 



Washington, D. C. 



