626 PROCEEDINGS OF THE WASHINGTON MEETING 



C. W. HALL 



1837. Distribution of the Keewatin in Minnesota. 



1838. Exploration for Gold in the Central States. 



1839. The Geological Club of the University of Minnesota. 



C. H. HITCHCOCK 



1840. Geology of Oahu, etcetera. 



1841. Sketch of W. W. Mather. 



1842. William Lothian Green, etcetera. 



1843. Review of Animal Report of the Geological Survey of Canada for 1804. 



1844. The Eastern Lobe of the Ice Sheet. 



1845. The Geology of New Hampshire. 



GEORGE E. LADD 



1846. Geological Phenomena Resulting from the Surface Tension of Water. 



J. H. PRATT 



1847. On the Associated Minerals of Rhodonite (with W. E. Hidden). 



1848. The Occurrence, Origin, and Chemical Composition of Chromite. 



F. B. TAYLOR 



1849. The Great Ice Dams of Lakes Maumee, Whittlesey, and Warren. 



1850. The Highest Old Shore Line on Mackinac Island. 



1851. The Ancient Strait at Nipissing. 



1852. Reconnaissances of the Abandoned Shore Lines of Green Bay, etcetera. 



1853. The Limit of Postglacial Submergence in the Highlands east of Georgian 



Bay. 



1854. The Mnnuscong Islands. 



1855. Changes of Level in the Region of the Great Lakes, etcetera. 



1856. The Second Lake Algonquin. 



1857. Niagara and the Great Lakes. 



1858. The Nipissing Beach on the North Superior Shore. 

 1859-1861. Three small pamphlets. 



1862. Notes on the Quaternary Geology of the Mattawa and Ottawa Valleys. 



1863. The Scoured Boulders of the Mattawa Valley. 



1864. Correlation of Erie-Huron Beaches with Outlets, etcetera. 



1865. Lake Adirondack. 



1866. Notes on the Abandoned Beaches of the North Coast of Lake Superior. 



1867. Moraines of Recession and their Significance, etcetera. 



1868. Origin of the Gorge of the Whirlpool Rapids at Niagara. 



C. D. WALCOTT 



1869. Algonkian Rocks of Grand Canyon, Colorado. 



1870. Fossil Jelly Fishes from the Middle Cambrian Terrane. 



1871. Note on the Genus Lingulepis. 



1872. The Post- Pliocene Elevation of the Inyo Range, etcetera. 



1873. Cambrian Brachiopoda; Genera Iphidea and Yorkia, etcetera. 



1874. Braehiopod Fauna of the Carboniferous Conglomerates of Rhode Island. 



1875. Cambrian Brachiopoda; Obolus and Lingulella, etcetera. 



