Qe 
2-HI 
1217 
Vf/IL 
U. S. GEOGRAPHICAL SURVEYS WEST OF THE ONE HUNDREDTH MERIDIAN, 
1st I;Ieut geo. M. wheeler, Corps op Engineers, U. S. Army, in charge. 
EEPORTS 
UPON 
THE INVERTEBRATE FOSSILS COLLECTED IN PORTIONS OF NEVADA, UTAH, 
COLORADO, NEW MEXICO, AND ARIZONA, BY PARTIES OF THE 
EXPEDITIONS OF 1871, 1872, 1873, AND 1874, 
AND 
I (\tp\ THE EXTINCT VERTEBRATA OBTAINED IN NEW MEXICO BY PARTIES OF 
^ ' THE EXPEDITION OF 1874,y 
CHARLES A. WHITE, M. D., 
AND 
PROF. E. r>. dbPE. 
/// 
m TWO PARTS. 
ILLtrSTEATED BY EIGHTY-THREE PLATES AND ONE WOOD CUT. 
