48 ROYAL SOCIETY OF CANADA 



Trionychid^. 



35. 36. Trionyx foveatus, Leidy. 1856. Ci-etaceous, Belly RivÇr 



series. Alberta. 

 10. Trionyx leucopotamicus, Cope. 1891. Oligocène. Assini- 



boia. 

 3. 4. 35. 36. Trionyx vagans, Cope. 1874. Cretaceous, Belly River 



series. Assiniboia and Alberta. 

 3. 4. Trionyx sp. 1875. Cretaceous, Belly River series. Assini- 



boia. 



SUBCLASS DIAP8IDA. 



ORDER CHORISTODERA. 



Champsosaurid^e. 



36. Champsosaurus annectens, Cope. 1876. Cretaceous, Belly 



River series. Alberta. 



ORDER DINOSAURIA. 

 SUBORDER THEROPODA. 



A NCHIS AURID^. 



40. Bathygnathus borealis, Leidy. 1854. Triassic. Prince Ed- 



ward island. 

 Arctosaurus osborni, Adams. 1875. Mesozoic. Bathurst 

 island, District of Franklin. 



M EC ALOS AURID .î:. 



86. Deinodon horridus, Leidy. 1856. Cretaceous, Belly River 



series. Alberta. 

 36. Deinodon explanatns (Cope). 1876. Cretaceous, Belly 



River series. Alberta. 

 11. .36. 37. Dryptosaurus incrassatus (Cope). 1870. Cretaceous. Eil- 



monton series. Alberta. 



Ornithomimid^. 



30. 38. Ornitbomimus altus, Lambe. 1902. Cretaceous, Belly 



River series. Alberta. 



SUBORDER ORTHOPODA. 



Stegosaurid^. 



3(). Palseoscincus asper. Lambe. 1902. Cretaceou ■, Belly River 



series. Alberta. 

 30. Palseoscincus costatus, Leidy. 1856. Cretaceous, Belly 



River series. Alberta. 

 36. 57. Stereocephalus tutus, Lambe. 1902. Cretaceous, Belly 



River series, Alberta. 



