iv Contents. 
Review of Recent Geological Li^rature.—KaXenAer fiir Geologen, 
Pakeontologen und Mineralogen, herausgegeben, Dr. K. Keilhack, 
]20. — Traite de Geologie, A. de Lapparent, 120.— Be Sydskdneka 
Rullstensasarnes Vittnesbord in fr&gan om Istidens Kontinuitet, 
Jno. C. Moberg and N. O. Holst, 121. — Preliminary Notice of the 
Etcheminian Fauna of Cape Breton, G. F. Matthew, 121.— A Dic- 
tionary of altitudes in the U. S., Henry Gannett, 121.— Granites 
of Southern Rhode Island and Connecticut, with observations on 
Atlantic Coast Granites in general, J. F. Kemp, 122.— Geological 
Survey of Michigan; Upper Peninsula, 1893-1897, Alfred C. Lane, 
Lucius L. Hubbard, Charles Palache, 122. 
Monthli/ Anlhors^ Catalogue of American Geological Literature, 126. 
Personal and Scientific Neivs, 129. 
MARCH ^'UMBER. 
Gas-well Sections in the Upper Mohawk Valley and Cen- 
tral New York. Charles S.Prosser 131 
The Blue Mound Quartzyte. Geo. D.Hubbard 163 
The Esmeralda Formation. H. W. Turner 168 
Editorial Comment. — The Marsh Collection of Vertebrate Fossils, 171. 
Reineiv of Recent Geological Literature. — The Geography of Chicago 
and its Environs, R. D. Salisbury and W. C. Alden, 174. — Some 
New Minerals from the Zinc Mines at Fi-anklin, N. J., and Note 
concerning the Chemical Composition of Ganomalite, S. L. Pen- 
field AND C. H. Warren, 174. — Andesites of the Aroostook Vol- 
canic Area of Maine, Herbert E. Gregory, 175. — On a new mode 
of Occurrence of Ruby in North Carolina, J. W. Judd and W. E. 
Hidden, 175. — Note on a New Meteoric Iron found near Iredell, 
Bosque County, Texas, U. S. A., Warren M. Foote. 176.— On a 
New Occurrence of Nepheline Syenite in New Jersey, F. Leslie 
Ransome, 176. — On Graftonite, a new mineral from Grafton, N. H., 
and its intergrowth with Triphyllite, S. L. Penfield, 176.— Some 
Analyses of Italian Volcanic Rocks, II, Henry S. Washington, 
177. — Geological Survey of Canada. Annual Report, New Series, 
Volume X, 1897, George M. Dawson, Director, 177.— On the build- 
ing and ornamental stones of Wisconsin, Ernest R. Buckley, 179, 
— Indiana Departmentof Geology and Natural Resources, Twenty- 
thu-d annual Refjort, 1898, W. S. Batchley, State Geologist, 182.— 
A General Report on the Physiography of Maryland, Cleveland 
Abbe, Jr., 182. —The Ward-Coonley collection of meteorites. Henry 
A. Ward. 187. —Some Higher Levels in the Postglacial Develop- 
ment of the Finger Lakes of New York State, Thomas L.Watson, 187. 
Monthly Authors^ Catalogue of Amei'ican Geological Literature, 188. 
Correspondence. — Appendix to a note on the San Jacinto Earthquake, 
