“Cope. ] 308 [Jan. 19, 
emy of Natural Sciences of Philadelphia, the editors of the 
Medical Journal, News and Library, and Penn Monthly, Mr. 
Hii K. Price, the Secretary of the U.S. Treasury, the De- 
partment of the Interior, the Engineer Department, and the 
Librarian of Congress. 
Mr. B.S. Lyman offered for publication, in the Transac- 
tions, a map of the Punjaub Oil region, with explanatory 
text. On motion, this paper was referred to a committee, con- 
sisting of Dr. Genth, Mr. Lesley and Dr. Horn. 
Mr. Cope communicated the following paper on a new 
Testudinate from the chalk of Kansas. 
On a new Testudinate from the Chalk of Kansas. 
By E. D. Corn. 
(Read before the American Philosophical Society, Jan. 19, 1872.) 
Associated with the remains of Clidastes, and other saurians, and at a 
distance of two or three hundred yards from the locality of the fossil 
Protostega gigas, were found some vertebre of a Testudinate reptile, 
which approaches the type of Vrionye and Chelydra. It ditfers go 
strikingly from both, and from all others yet known, as to require no- 
tice, and as the parts preserved (caudal vertebra) are those most likely 
to recur in a well-preserved state in strata of this age, I propose to 
establish a species and genus on them, to aid in the future identification 
of both strata and animal type. 
The vertebrae have elongate centra concave below, and have well-de- 
veloped diapophyses. A more anterior has transversely oval articular 
extremities ; in another they are much less depressed. The former is 
the more anterior, being known as such by its larger diapophyses and 
much smaller articular surfaces for chevron bones ; it appears probable, 
indeed, that this one has been without these appendages. It is, there- 
fore, from the anterior part of the series, from no great distance behind 
the sacrum. Its position being thus determined, it may be described in 
detail as follows : 
As observed, the centrum is elongate and depressed. The inferior 
surface at the cup is flat, but is arched upwards, descending again to the 
rim of the ball. The posterior two-thirds has a median groove, which 
terminates in a deep notch of the ball, which involves one-third of its 
vertical diameter, and widens backwards. The ball is transverse oval, 
and only moderately convex; near its upper margin a small deep pit 
interrupts its surface, having the appearance of an unusually large liga- 
mentous insertion ; its border slightly excavates the margin of the ball. 
The cup is a transverse oval, wider below. Its inferior and superior 
margins are so deeply (but openly) emarginate, as to reduce the concay- 
ity in the vertical direction very much. From the superior emargina- 
