) 
MORGAN EXPEDITIONS, 1870-71. 
DEVONIAN TRILOBITES AND MOLLUSKS 
ERERE, PROVINCE OF PARA, BRAZIL. 
By PROF. CH. FRED. HARTT, 
AND 
RICHARD RATHBUN. 
[Reprinted from the Annals of the Lyceum of Natural History, N. Y., Vol. xi, 
May, 1875.] 
