xii Preface. 



with our publications as well as for lecture and illus- 

 trative purposes. 



Museum Photographs. — These include photo- 

 graphs of mounted skeletons of skulls, of feet and 

 other portions of fossil mammals and reptiles number- 

 ing altogether 590 negatives, also photographs of the 

 restorations of fossil mammals and reptiles by Charles 

 R. Kniaht. 



RESTORATIONS AND MODELS. 



The work of the department would be incomplete 

 without reference to the very interesting series of res- 

 torations of fossil mammals and reptiles executed by 

 the artist Mr. Charles R. Knight, chiefly under the 

 direction of Professor Osborn, a complete list of which 

 is given at the close of this volume and in a new cata- 

 logue which will be issued in 1904. 



December, 1903. 



