FOSSIL BIRDS. 361 



11. Ichthyomis anceps Marsh. 



Graculavus anceps Marsh, Am. Journ. Sci. III. 1872, 364. 

 Ichthyomis anceps Marsh, Odontornithes, 1880, 198. 



Gray shale of the Middle Cretaceous, Smoky Hill River, Western 

 Kansas. 



12. Ichthyornis lentus Marsh. 



Graculavus lentus Marsh, Am. Journ. Sci. XIV. 1877, 253. 

 Ichthyornis lentus Marsh, Odontornithes, iS8o, 198. 



Middle Cretaceous beds, near Fort McKinney, Texas. 



13. Ichthyornis tener Marsh. 



Ichthyornis tener Marsh, Odontornithes, 1880, 198, pi. xxx. fig. 8. 

 Pteranodon beds, Middle Cretaceous, Wallace County, Kansas. 



14. Ichthyornis validus Marsh. 



Ichthyornis validus Marsh, Odontornithes, 1880, 198, pi. xxx. figs. 

 11-14. 



Yellow chalk of the Middle Cretaceous, near SDlomon River, North- 

 western Kansas. 



15. Ichthyomis victor Marsh. 



Ichthyornis victor Marsh, Am. Journ. Sci. XI. 1876, 511. 

 Middle Cretaceous of Kansas, in various localities. 



IG. Laomis edvardsianus Marsh. 



Laornis edvardsianus Marsh, Pr. Ac. Nat. Sci. Phila. 1870, 5. 

 Middle marl bed. Upper Cretaceous, Birmingham, New Jersey. 



17. Palseotringa littoralis Marsh. 



Palceotf-inga littoralis MARSir, Pr. Ac Nat. Sci. Phila. 1870, 5. 

 Greensand of the Upper Cretaceous, near Hornerstown, New Jersey. 



