142 ANNALS NEW YORK ACADEMY OF SCIENCES 



Antrodesmus valens Leidy 



[Poicilopleuron] (Antrodesmus) Leidy, Phila. Acad. Nat. Sci., Proc, 

 vol. for 1870, p. 3 (4), 1870. 



Labrosaurus ferox Marsh, Principal Characters of American Jurassic 

 Dinosaurs. Pt. VIII. The Order Theropoda. Amer. Journ. Sci., 3rd 

 ser., vol. xxvii, p. 329 (333), 1884. 



Antrodesmus valens Hay, Bibliography and Catalogue of the Fossil 

 Vertebrata of North America. IJ. S. Geol. Surv., Bull. No. 179, p. 

 (490), 1902. 



From Middle Park, Colorado. Small part of skeleton known. 



Coelurus agilis Marsh 



Coelurus agilis Marsh, Principal Characters of American Jurassic Dino- 

 saurs. Pt. VIII. The Order Theropoda. Amer. Journ. Sci., 3rd ser., 

 vol. xxvii, p. 329 (335), 1884. 



"Jurassic, Colorado." Probably the middle part of the Morrison for- 

 mation, near Caiion City, or near Morrison, Colorado. Small part of 

 skeleton knoAvn. 



Coelurus fragilis Marsh 



Coelurus fragilis Marsh, Notice of new Jurassic Eeptiles. Amer. 

 Journ. Sci., 3rd ser., vol. xviii, p. 501 (504), 1879. 



"Jurassic." Probably from the Morrison formation. Small part of 

 skeleton known. 



This species was about the size of a wolf, being unusually small for a 

 dinosaur. 



Tichosteus lucasanus Cope 



Tichosteus lucasanus Cope, On Eeptilian Eemains from the Dakota of 

 Colorado. Amer. Philos. Soc, Proc, vol. xvii, p. 193 (195), 1877. 



From near Caiion City, Colorado. Probably from the uppermost beds 

 of the Morrison formation. Only small part of the skeleton is known. 



Tichosteus sequifacies Cope 



Tichosteus cequifacies Cope, Descriptions of new Extinct Vertebrata 

 from the Upper Tertiary and Dakota Formations. IT. S. Geol. and Geog. 

 Surv. Terr., vol. iv, p. 379 (392), 1878. 



Probably from the uppermost beds of the Morrison formation near 

 Canon City, Colorado. Only a small part of the skeleton is known. 



