XXIV. 
XXYV. 
XXVI. 
XXVIII. 
XXVIII. 
XXIX. 
JbJSIE Qua PILLAI aS, 
Presacral Vertebree of Type of Haplocanthosaurus priscus. 
. Vertebre of Type of Haplocanthosaurus utterbacki. 
. Nineteen Anterior caudals of Haplocanthosaurus priscus. 
. Pelvis of Brontosaurus ; Pelvis of Diplodocus ; Pelvis of Haplocanthosaurus. All 
seen from left side. 
. Inferior, Anterior and Posterior views of Pelvis of Haplocanthosaurus priscus. 
. Restoration of Diplodocus carnegiet. 
. Diagram showing Position in which the Elements of the Specimen of Baptanodon 
discus Marsh were found Imbedded in Concretion. 
. Side view of Skull of Baptanodon discus Marsh. 
. Skull of Baptanodon discus. 
. Side view of Skulls of Baptanodon discus. 
. Posterior Views of the Skull of Baptanodon discus. 
. Anterior, Dorsal, and Ventral Views of Pectoral Girdle of Baptanodon discus. 
. Taoperdix keltica Kastman. 
. Taoperdix keltica Kastman. Restoration. 
. Taoperdix pessieti (Gervais). 
XVI. 
XVII. 
XVIII. 
XIX. 
XX. 
XXII. 
XXIT. 
XXIII. 
Taoperdix pessieti (Gervais). 
Fossil Rodents from the Upper Miocene, Harrison Beds. 
Fossil Rodents from the Upper Miocene, Harrison Beds. 
Restoration of Steneofiber fossor. 
Mounted skeleton of Steneofiber fossor. 
Microscopic Sections of Cellular Structures in Deemonelix. 
Lower White River Mammals. Ictops and Xenotherium. 
Side view of Skulls of Diplodocus longus Marsh, Preserved in the United States 
National Museum. 
Top view of Skulls of Diplodocus longus Marsh, Preserved in the United States 
National Museum. 
Back view of Skulls of D. longus Marsh, United States National Museum. 
Photograph of Skull of Diplodocus Preserved in the American Museum of Natural 
History. 
Posterior and Anterior View of Back Part of Skull of Diplodocus. 
Superior view of Back Part of Skull of Diplodocus. 
Posterior Caudal Vertebree of Diplodocus carnegie: Hatcher. 
xi 
