UNITED STATES GEOLOGICAL EXPLORATION OF THE FORTIETH PARALLEL. 

 CLARENCE KING, GEOLOGIST-IN-CHARGE. 



ODONTOENITHES: 



MONOGRAPH 



EXTINCT TOOTHED BIRDS OF NORTH AMERICA 



WITH THIRTY-FOUR PLATES AND FORTY WOODCUTS. 



OTHNIEL CHARLES MAESH, 



PROFESSOR OF PALEONTOLOGY IN YALE COLLEGE. 



WASHINGTON: 



GOVERNMENT PRINTING OPPIOE. 



1880. 



