Depa7-t7ne)jt of Vertebrate Palceontology. 



is done in the department, as carefully as possible, but the 

 more delicate casts and models cannot be absolutely guaran- 

 teed against breakage. 



2. Models of Extinct Animals. — These are plaster casts of 

 reduced models (from i to 3 feet in length) made by the animal 

 painter and sculptor, Mr. Charles Knight, under direction of 

 Professor Osborn. The casts are made in the same manner 

 as those of specimens and colored under Mr. Knight's personal 

 supervision. 



3. Photographs of Mounted Skeletons of Extinct Animals. — 

 These are bromide enlargements, 18x22 inches, mounted on 

 card, with descriptive labels, from photographs by Mr. Ander- 

 son of mounted skeletons in this Museum. These enlarge- 

 ments are not available for purposes of exchange and are sold 

 at $4.00 each. 



4. PJiotographs of Restorations of Extinct Animals. — These 

 are bromide enlargements, 18x22 inches, on card, with de- 

 scriptive labels, from photographs of the series of water-color 

 restorations by Charles Knight. These restorations are drawn 

 from the models above mentioned, and in almost every case 

 based upon a careful study of the complete mounted skeleton, 

 made by Mr. Knight under direction of Professor Osborn, 

 and with advice and assistance of other specialists in Verte- 

 brate Palaeontology. The bromides are sold at $4.00 each 

 and are not available for exchange. 



The models and photographs are copyrighted and are sold 

 upon the express tinder standing that they are not to he copied 

 or adapted for publication. 



Orders should be addressed to the Curator. 

 Payments, either by draft or by postal money-order, should 

 be made to the order of Treasurer of the American Museum 

 of Natural History. 



Henry Fairfield Osborn, 



Curator. 



W. D. Matthew \ 



O. P. Hay v Associate Curators. 



Bashford Dean ) 



