350 FOSSIL BIRDS. 
GRACULAVUS PUMILUS Marsh. 
American Journal of Science, iii, 364. May, 1872. 
A smaller species, from the same formation and locality. The remains 
are in the Yale museum. 
GRACULAVUS ANCEPS Marsh. 
American Journal of Science, iii, 364. May, 1872. 
Apparently a species.of Cormorant, about as large as Graculus violaceus. 
From the Cretaceous of Western Kansas. Remains in the Yale College 
museum. 
ICHTHYORNIS DISPAR Marsh. 
American Journal of Science, iv, appendix, 344. Oct., 1872. 
A bird about as large as a pigeon, and differing from all known birds in 
having biconcave vertebre. The remains were found in the Cretaceous shale 
of Kansas, and are in the museum of Yale College. 
PUFFINUS CONRADII Marsh. 
American Journal of Science, xlix, 212. March, 1870. 
A shearwater about the size of P. cinereus. From the Miocene of Mary- 
land, and now preserved in the museum of the Philadelphia Academy. 
CATARRACTES ANTIQUUS Marsh. 
American Journal of Science, xlix, 213. March, 1870. 
A Guillemot rather larger than the Common Murre (Lomvia trotle). From 
the Miocene of North Carolina. Deposited in the Philadelphia Academy. 
CATARRACTES AFFINIS Marsh. 
American Journal of Science, iv, 259. Oct., 1872. 
A species about as large as the preceding, and nearly related. From the 
Post-pliocene of Maine. The original specimen is in the Philadelphia 
Academy. 
HESPERORNIS REGALIS Marsh. 
American Journal of Science, iii, 360. May, 1872. 
This bird was a gigantic Diver, related to the Loons (Colymbide). The 
skeleton measured about five feet nine inches in length. The known remains 
were found in the upper Cretaceous shale of Western Kansas, and are now 
in the Yale museum. 
LAORNIS EDVARDSIANUS Marsh. 
American Journal of Science, xlix, 206. March, 1870. 
This species was nearly as large as a Swan. The remains were discovered 
in the Middle Marl bed, of Cretaceous age, at Birmingham, New Jersey, 
and are now in the museum of Yale College. 
