Cope. } 554 (Oct. 18, 
the following named gentlemen were declared to be duly 
elected members of the Society : 
Mr. Andrew Jackson Cassatt, of Philadelphia. 
Mr. Clarence King, U. 8. Geologist. 
Mr. Iloratio Hale, of Canada. 
M. Paul Broca, M.D., of Paris. 
Herr Franz Joseph Lauth, of Munich. 
Dr. Isaac Norris, Jr., of Philadelphia. 
And the meeting was adjourned. 
ON A NEW VERTEBRATE GENUS FROM THE NORTHERN PART 
OF THE TERTIARY BASIN OF GREEN RIVER. 
By Epwarp D. Corn, A.M. 
(Read before the American Philosophical Society, Oct. 18, 1872.) 
ANAPTOMORPHUS AOMULUS. Cope. 
Dentition of the ramus mandibuli, In. 2, C. 1, P.M. 2, M.:3, total, 16; 
identical in number to those of Simia and Homo. It differs in many re- 
is no interruption in the series near the canine, 
spects from these ; there 
Further details 
and the symphysis though massive, is not co-ossified. 
the last molar is three-lobed and elongated behind. The composition 
ns of the preceding molars consists of four opposed lobes, which 
or in 
are, 
of the crow 
are very stout, and connected transversely by a thin ridge behind, 
tact in front. The premolar tooth which is best preserved, is a 
close con 
hich 
perfect second, which, while having two roots, possesses @ crown W 
stands almost entirely on the anterior, presenting a curved sectorial crest 
forwards and upwards. 
Measurements. M. 
Length dental lime, 61-5: -- ea 0.0148 
ee OLAS WNOLAIs ssi s Sok ed Ce cior acti Boe eee iae .0030 
a (eambe-pemtllte: . ie aes eae ee EY -0025 
Width of Ue hed 1s oe ene Es ees 0020 
Length of three molars PYESCrVed......-sseeesereees 0070 
DESCRIPTIONS OF NEW EXTINCT REPTILES FROM THE 
UPPER GREEN RIVER EOCENE BASIN, WYOMING. 
3y E. D. Cops. 
Crocopitus (ICHTHYOSUCHUS) SUBULATUS. Jope, sp. nov. 
Some of the cervical vertebrae without hypapophyses. Their cups 
round. Dentition peculiar. One or two very long smooth compressed 
teeth in the front of the ramus mandibuli. These are followed 
th of not one-fourth the 
straight 
abruptly by a closely set series of sub-equal tee 
