Smithsonian Contributions to Knowledge. 
192 
CRETACEOUS REPTILES 
UNITED SLATES. 
BY 
JOSEPH LBEIDY, M.D., 
PROFESSOR OF ANATOMY IN THE UNIVERSITY OF PENNSYLVANIA, CURATOR OF THE ACADEMY OF 
NATURAL SCIENCES OF PHILADELPHIA, - 
Wa ave Ey LNG TOON <C in yi: 
PUBLISHED BY THE SMITHSONIAN INSTITUTION, 
MAY, 1865. 
NEW YORK: D. APPLETON & CO. 
