New Trilobites from the Maquoketa Beds of Fayette County, Iowa Volume Fieldiana, Geology, Vol. 4, No. 3

Analyses of Iron Meteorites Compiled and Classified; Volume Fieldiana Geology V. 3, No. 5

New or Little Known Titanotheres from the Lower Uintah Formations, with Notes on the Stratigraphy and Distribution of Fossils