Proceedings of the American Association for the Advancement of Science, Volume 33, Part 2

American angular aperture animal appear Association beds bone brook trout calcaneum Carboniferous cells character Clepsydrops Committee common conglomerate consciousness Coteau Cretaceous crystalline rocks D. C. ABSTRACT deposits described distal distinct energy evidence exhibited existence F. W. PUTNAM facet fact feet fish fossils gabbro genera genus geological geologists gneiss granite Huronian important inch Indian intercentrum known lake land Laurentian limestone living Mammalia Mass meeting method microscope miles Miocene Missouri moraine mounds nature navicular nearly object observed Ohio organs origin paper pearls Pennsylvania Penokee Philadelphia pipes plants portion present President probably produced Prof protoplasm quadrate bone quartz quartzite region river sand sandstone schists scientific Secretary shales shell side Silurian SOCIETY species specimens strata structure surface Survey Taconic thickness tion tribe trout United valley W. H. DALL York