INDEX. 
Amphorosteus Brumbyi, 30, 32, 37, 118. Drepanodon impar, 30, 33, 68, 117. 
Atlantochelys Mortoni, 30, 43, 117. 
Astrodon, 102, 119. Elliptonodon compressus, 30, 63, 117. 
Astrodon Johnstoni, 102, 119. Emys, 106, 119. 
Emys beatus, 107, 119. 
Baseodon, 118. firmus, 106, 119. 
Baseodon reversus, 118. pravus, 108, 120. 
Batrachiosaurus, 30, 117. 
Batrachiosaurus missouriensis, 30, 117. Gavialis clavirostris, 5, 115. 
Batrachiotherium, 30, 117. neocesariensis, 5, 115. 
Bothremys, 110, 120. macrorhynchus, 5. 
Bothremys Cookii, 110, 120. Geosaurus, 30, 32, 117. 
Bottosaurus, 12, 13, 115. Mitchelli, 30, 64, 117. 
Bottosaurus Harlani, 12, 115. 
Hadrosaurus, 76, 118. 
Chelone, 104, 119. Foulkii, 76, 118. 
Chelonia, 104, 119. Holeodus, 118. 
Chelone ornata, 105, 119. Holeodus acutidens, 18, 21, 30, 32, 71, 116, 118. 
Chelone sopita, 104, 119. Hyposaurus, 18, 32, 116. 
Cimoliasaurus, 25, 76, 103, 116. _ Rogersii, 18, 116. 
Cimoliasaurus magnus, 25, 27, 116. 
Ccelosaurus, 119. Ichthyosaurus missouriensis, 30, 117. 
Ceelosaurus antiquus, 119. 
Conosaurus, 32. Leiodon, 30, 68. 
Corax appendiculatus, 29. Lesticodus impar, 47, 62, 64, 65, 72, 117. 
Cretaceous formation of Alabama, 3. Lizard of the Meuse, 31. 
New Jersey, 3. 
Texas, 4. Macrosaurus, 74, 118. b 
the Upper Missouri, 2. levis, 74, 118. 
Crocodile, extinct species of, 12, 115. Maestricht Monitor, 31. 
Crocodiles, undetermined species of, 14. Mosasaurus, 33. 
Crocodilus, 115. Mississippi Mosasaurus, 41. 
Crocodilus basifissus, 5, 10, 115. Missouri Mosasaurus, 33. 
basitruncatus, 12, 14, 115. Mosasaurus, 30, 31, 116, 117. 
celavirostris, 5, 115. Camperi, 30, 117. 
Harlani, 12, 13, 115. carolinensis, 30, 32, 117. 
macrorhynchus, 12, 13, 115. Couperi, 30, 32, 117. 
obseurus, 115. Dekayi, 30, 117. 
tenebrosus, 115. Hoffmani, 30, 117. 
major, 30, 117. 
Discosaurus, 22, 76, 103, 216. Maximiliani, 30, 117. 
Discosaurus vetustus, 22, 29, 116. minor, 30, 32, 118. 
16 April, 1865. ( oat ) 
