216 



NEW YORK STATE MUSEUM 



Dal, Adolf, cited. 42% 59^ 86^ 



Dale, T. Nelson, map by, 195- ; men- 

 tioned, T. 



Dana, J. D., cited, 86^ 167\ 179^ 

 196\ 



Dana, S. L., cited, 861 



Davy, Sir II., cited, 157\ 



Day, David T., work of, 21 0<. 



Denel swamp, 73"-74-. 



Diatomaceons earth, 17r-72'; bib- 

 liography, 179°. 



Dieulafait, cited, 157''. 



Dingier, cited, 44^ 48", 49^ 



Dutchess county, Pre-Cambrian 

 highlands, 195'. 



Eckel, Edwin C, cited, 136". 179^ 



surveys by, 195\ 

 Economic geology, 12''-13'. 

 Ells, R. W., acknowledgments to, 



12^ ; cited, 86*. 

 Emerson, cited, 197\ 

 Emery, 163«-70« ; bibliography, 179'. 

 Entomology, report on, 202"'-4\ 



Fairchild, H. L., cited, 83^ m\ 99^ 

 Farr, M. S., work of, 202^ 

 Feldspars, 194*, 194'". 1971 

 Fibrolite, 194\ 



Fitzgerald, Francis A., cited, 175'. 

 Fluor Jte, 187=-88\ 

 Fox, C. F., cited, 179'. 

 Freenian, John K., cited. 71". 

 Fruh. cited, 86\ 



Garnet, 158^-(J3\ 193«, 194"'; bibliog- 

 raphy, 178''; uses, 163'. 



(rcddes, George, cited, 100". 



Geologic map, G'. 



Goldthwait, J. W., work of, S\ 



Gowenlock. N., cited, 86''. 



(Jrabau, A. W., cited. 100*^; work of. 

 200\ 



Gregory, mentioned, 7'. 



Greycourt meadows, 72^ 



Grimsley, G. P., cited, 91^ 133^ 134^ 

 150«. 



Gypsum, analyses, 148''-55^; bibliog- 

 raphy, 156'-57^ ; Credner's theory, 

 94"'-95'' ; theories of formation of 

 deposits, 93*'-97- ; geography and 

 topography, 97'-105'- ; geology, 105-- 

 14"; history, 114^-17*; processes of 

 manufacture, 126^-30'; list of 

 firms and individuals that mine 

 and manufacture, 155*; list of 

 manufacturers in New York who 

 use gypsum from outside of this 

 state, 156; New York mines and 

 mills, 137*-48^ ; physical proper- 

 ties, 131'-37*; production, 148*; 

 sources of supply, 116' ; tech- 

 nology of, 130^-55^ uses, 117'-25\ 



Gypsum industry in New York, by 

 A. L. Parsons, 89-157. 



Hall, James, cited, 106\ 



Harlem quadrangle, remapping, 8-'. 



Harrison diorito in the Westchester 

 county area of the Oyster Bay 

 ({uadrangle, by F. J. H. Merrill 

 and H. O. Magnus, 193'-94'. 



Hartnagel, C. A., work of, 200*. 



Highlands, crystalline rocks, 6^ 



Hill, Benjamin F., surveys by, 195*. 



Hindshaw, H. H., tracings prepared 

 by, 6=^; work of. 13", 210^ 



Hitchcock, C. II., cited, 86''. 



Hitchcock, E., cited, 86°. 



Hobson, Joseph, acknowledgments 

 to, Vl\ 



Holland, John, cited, 86''. 



Hooper, F. C, cited, 178". 



Hornblende, 194*, 1971 



Hudson schist in the Westchester 

 county area of the Oyster Bay 

 quadrangle, by F. J. H. Merrill 

 and H. C. Magnus, 193'-94'. 



Hulett, George A., cited. 131", 156". 



Hull, E., cited, 86". 



Hunt, T. Sterry, cited. 8(V\ 1571 



Hypsometric map, 6^ 



Infusorial earth, 63'. 

 Inundated lands, 20"-21*. 

 Iron pyrites, 180''-82\ 



