230 Scientific Intelligence. 
museum. 
Hesperornis regalis Marsh. This Journal, ili, 360, May, 1872. 
This bird was a gigantic Diver, related to the Colymbide. The 
skeleton measured about five feet nine inches in length. The 
known remains were found in the upper eer shale of 
Western Kansas, and are now in the Yale m 
Laornis Edvardsianus Marsh. This Viathar xix, 206, March, 
1870. 
This species was nearly as large as a Swan. The remains were 
discovered in the Middle Marl bed, of Cretaceous a e, at Birmin 
ham, New Jersey, and are now in the museum of Yale College. 
Sub-class ODONTORNITHES, or AVES DENTAT&. 
rder IcHTHYORNITHES. 
Tehthyornis dispar Marsh. wt od Journal, iv, 344, Oct., 1872; 
406, Nov., 1872; v, 161, Feb., 
A bird about as large as a Piso ahd differing from all known 
birds in having teeth and biconcave vertebree e known remains 
were found in the Upper on shale of Kansas, and are 
‘preserved in the museum of Ya 
Apatornis celer Marsh ; (ehthyornis celer Marsh).—This Journal, 
v, 74, Jan., 1873; 163, Feb., 
nN species about the same size fe above, but of more slender 
preportions, From the upper REPROCOUR shale of Kansas, and 
now in the Yale S talleee museu 
6. Note on the Ereraosatts of a ing ; by Prof. Cops, (slip 
from the ise Phil. Soe. Philadelphia, published on February 
setae had settled the question of age, concerning which there 
constitute an upper member of t retaceous series. the 
ctions made, he had succeeded in Spacing the line of demarcation 
Speier these and the lower beds of the Green River epoch, an 
had found the leaf beds of the former to be immediately covered 
by deposits of mammalian remains, with an interval of a few feet 
only. In the same way, the close approximation of the Evanston 
epi ng 
Bitter Cred | locality. So far as is vet known, the hast one 
are diagnostic of the Green River formation, and on this and 
other grounds the Wahsatch beds of Evanston were regarded 
