INDEX TO VOLUME 13 



573 



Page 

 Geological horizon of the Kanawha black 

 flint; I.C.White 119-126 



— reconnaissances in southeastern Alaska; 



A. H. Brooks 253-206 



— section of the Middle Coast ranges of 



California [abstract] ; Andrew C. Law- 

 son 544-545 



Rocky mountains in northern 



Alaska; F. C. Schrader 233-252 



— Survey of Canada, Work of. 101 



Geology of the northeast coast of Brazil ; 



John C. Branner 41-98 



Potomac group in the middle At- 

 lantic slope; W. B. Clark and A. Bib- 

 bins 187-214 



Snake River plains, Idaho [abstract] ; 



I. C. Russell... 527 



— , Work in, in 1901 100-110 



Georgia, Geological work in 101, 105 



Geothekmal gradient in Michigan, Varia- 

 tion of. 528 



Geysers, Photographs of, Catalog of 457 



Gilbert, G. K., Acknowledgment to 100 



— ; Joint veins [abstract] 521-522 



— , Photographs by, Catalog of.. 381, 399, 415-418, 



424 



— , Record of remarks by 522 



— , Work of. 107 



Girty, G. H., Work of 104, 107, 110 



Glacial deposits, Photographs of, Catalog 



of 458-459 



— lakes, Photographs of, Catalog of. 460 



- scratches, etc., Photographs of, Catalog 



of 460 



— striae, South Dakota, Occurrence of 34 



— topography, Photographs of, Catalog 



of 460-462 



Glaciers, Photographs of, Catalog of 457-458 



Glenn-, L. C, Work of 104 



Gloucester C. H., Va., Record of well at 211 



Goobic sands, Alaska, Character and occur- 

 rence of. 249-250 



, Origin of 250 



Gordon, C. H.,Work of. lo6 



Grabau, A. W., cited on Encrinal limestone 



of western New York 166, 167 



faunas of the Hamilton beds 164 



Hamilton and Marcellus beds in 



New York 163 



— , Record of remarks by 536 



— ; Traverse group of Michigan [abstract].. 519 



— , Work of 105 



— , Shimer, H. W., and; Hamilton group ot 



Thedford, Ontario 149-186 



, Title of paper by 518 



Grabtll Portrait Company, Photographs by, 



Catalog of. 432 



Grainger shale, Tennessee, Geologic place 



of 13 



Grand river, South Dakota, Pleistocene ice 



in valley of. 36-37 



lake in valley of 37 



Granger, Walter, Work of. 106 



Granite in Pernambuco, Brazil, Occurrence 



and character of 60-64 



Grant, U. S., cited on ancient volcanic 



rocks of the Lake Superior region 370 



— ; Junction of Lake Superior sandstone 



and Keweenewan traps in Wisconsin 6-9 



— , Work of ' 106 



Grassy Creek shales, Missouri, Age and 



thickness of 272, 282 



Great plains, Photographs of, Catalog of. 462 



.Physical features of 310 



Great Western railway, Brazil, Elevations 



along 86 



, Topography and geology along..85-92 



Greenbrier limestone, Thickness of, on 



Kanawha and New rivers 123-124 



Gregory, H. E., cited on ancient volcanic 



rocks in New England 370 



Page 

 Gregory, H. E., cited on andesite from 



Maine 365 



— , elected Fellow 1 



— , Work of 104 



Gridley, J. W., Work of. 107 



Grinnell argillite, Montana, Character and 



occurrence of. 316, 318, 3*2-323 



— red beds, Structure of 330 



Gulliver, F. P.; Cuttyhunk island [ab- 

 stract] 538 



— , Work of 109 



Gwinn, J. B., Acknowledgment to 5 



Haines, Ben., Photographs by, Catalog ot 406 



Hall, B. M., Work of. 105 



Hall, Ch. E., cited on taxonomy of the Po- 

 tomac group 190 



Hall, C. W., cited on junction of Lake Su- 

 perior sandstone and Keweenawan 



traps 9 



— , Work of 106 



Hall, James, cited on fauna of the Hamil- 

 ton group 176, 179 



Leiorhyncus laura 160 



rocks of the Mississippi valley 275 



Hallett, S. J., Acknowledgment to 5 



Hamilton group, Discussion and correlation 



of 159-167 



, Fossils of, at Eighteenmile creek, 



New York 180-185 



, at Thedford, Ontario 150-159, 164 



166, 180-1S5 



, Literature of 186 



of Thedford, Ontario ; Hervey W. Shi- 

 mer and Amadeus W. Grabau 149-186 



, Sections of, in Ontario 150-159 



Hanna, George B., cited on assays of ore 



from Yancey mine, North Carolina 373 



copper belt of Person and Granville 



counties, North Carolina 355 



ore deposits of the Virgilina dis- 

 trict 372 



— , quoted on the Virgilina copper dis- 

 trict 357 



— , and Nitze, H. B. C, cited on copper mines 



of North Carolina 356 



Hannibal shales, Missouri, Stratigraphic 



place of. 280, 282 



, Thickness of. 272, 273 



Hanoor, China, Gravel banks near 133 



Hanover, Maryland, Section of Arundel for- 

 mation near 197 



Harden, E. B., Photographs by, Catalog 



of 425-428,447-448 



Hardin sandstone, Character and thickness 



of 12 



Harris, Gilbert D., cited on age of certain 



marine fossils of Brazil 91 



— , cited on the Midway formation of Ten- 

 nessee 14 



— , Work of. 104, 105, 107 



Harrodsburg formation, Indiana, Character 



and position of 519, 520 



Hartt, C. F., cited on age of Maria Farinha 



beds 48 



fossils from Parahyba 43 



Hawaiian islands, Photographs from, Cata- 

 log of 401-402 



Haworth, E., cited on enlargement of feld- 

 spar crystals 522 



— , Work of 106 



Hayes, C. W., cited on geology of south- 

 eastern Alaska 254 



— elected Councillor 487 



— , Work of. 107, 108 



— , and Willis, Bailey, cited on principles 



of structure 338 



Heat of the earth, Internal, Distribution 



of 530-531 



Heavens, mount, Diagram of. 330 



