INDEX TO VOLUME i8 



701 



Page 

 (jREEXE county. Occurrence of Wa.vnes- 



biirg limestone in '. . , . 42 



. Pennsylvania, Measurements of 



section in 43 



, Section in 121 



— formation. Character of deposits of. . 97 



Green river. Origin of 301 



Greensburg basin, Location and extent 



of the .")4 



, Measurements of the 54 



"Green shales." Occurrence of .'. . 190 



Gregory, H. E., elected Councilor .570 



Grenville rock. Relations of syenite 



to ; . 483-484 



GRiswrtLn, L. S., cited on novaculites 



of Arkansas and Indian Territory. . 40(5 

 GRfNDY county, Tennessee, Limestone 



in 14G 



Guild. F. N., Reference to paper bv. . . . .504 

 GfLLivER. F. P. : Graded surfaces" (ab- 

 stract) 609-610 



— ; Ice present during the formation of 



glacial terraces (abstract) 040 



— , Record of remarks bv 62.S 



Gxp.snMj Change of anhydrite to 22 



— , Occurrence in red beds of .380 



'Haenke glacier. Changes in 261 



, Condition in 1905 and 1906 of. . 



266, 267 



. View in 1895 of plate 11 . 265 



showing plate 12 . 266 



Hague. Arnold, cited on the Eureka 



section ,399 



Hall, C. AV.. cited on ?aunal conditions 



of the (lalena series 182 



Trenton limestone 188 



— , Reference to descriptions by 192 



Hall, .Ta.mes, Name Galena limestone 



used by 184 



Trenton limestone used by 184 



— , Iteference to reports of 192 



Hallock, William, Acknowledgments 



to .323 



Hamiiiea ncviiltn. Location of 520-521 



— solitaiea. Location of 520-521 



Hanging valleys. Definition of 418 



, Headward erosion of 422-424 



in the Northfiord 418-424 



, Origin of 418 



Harle.m coal bed. Occurrence of 157 



Harrison- count.v, Ohio. Section at. . . . 67 



^. West Virginia. Section in 85 



Harvard ITniversitv, Appropriations 



made by 304 



Hatcher. .T. B.. Paunal specimens in 

 Patagonia collected by 



Haug. E.mile. Reference to 



Haverhill. Massachusetts. Occurrence 

 of non-f ossilif erous clays at 



. Old till exposures at 



, Section of till at 



Hayden glacier. Malaspina glacier con- 

 tributed to by 



— survey of Cordilleran region 



Haypord. .T. F.. cited on depth of North 



American continent 



isostatic ad.iustment in the 



Appalachians 



Hecker. O., cited on density of ocean 



bottoms 



Heilprin. a.. Record of remarks by. 624, 



Herod gravel. Correlation of 



Hidden glacier. Changes in 



'High and low level clays. Distinctions 



between -"^Sl 



High-level clay. Age of 535-536 



. , Analysis at Portland, Maine, of . 534 



236 

 241 



.529 

 516 

 540 



260 

 289 



389 



405 



402 

 635 

 512 

 261 



486 



Page 

 High-level clay at Boston, Massachu- 

 setts, Sections of 535, 536 



, Period of deposition of 532 



— clays. Correlations of 532 



, Exposures in Maine and Massa- 

 chusetts of 533-534 



not of Wisconsin age 532-533 



, Relations of 531 



, Unconformity of 532 



Hill. R. T., cited on stream erosion in 



the Rio Grande valley 213 



the Comanche bed of southern 



New Mexico 216 



Hilleeeand, W. p.. Analysis of norite 



rock by 



IIi.malayas. Comparison of Appalachian 



mountains with 475. 476 



Hitchcock. C. H.. cited on occurrence 



of peat underlying till 544 



post-Wisconsin deposits 554 



— . Fossiliferous clays described by. 509. 538 

 — : Glacial lake Memphremagog (ab- 

 stract) 641 



— , "Leda clays" studied by 530 



— , Record of remarks by 641 



Hobes, William Herbert, cited on 



depth of Hudson River gorge 513 



— ; Origin of ocean basins in the light 



of the new seismology 233-250 



— , Record of remarks bv 610, 612 



— . Title of paper by 612, 621 



Hogrending hanging valley. Location 



and character of 419 



Holsinger, S. .L, Acknowledgments to. 494 



— cited on age of cedars on Meteor 



crater 496 



origin of name "Coon butte" . . 503 



— quoted on Meteor crater, Arizona... 504 



— . Reference to 494 



HoLWAY. RuLiFF S.. Title of paper by. 660 

 HOMEWOOD sandstone, Occurrence of. . . 



149. 153 

 Hopkins, T. C, Record of remarks by. 613 

 'Hornblende. Occurrence in Adirondack 



syenite of 479 



Hostetter coal bed, Occurrence of . . . . 



107. 122, 128 

 HovEY, Edmund Otis, elected Secre- 

 tary 569 



— : Volcanoes of Colima. Toluca, and 



Popocatepetl (abstract) 



HovEY, H. C, Record of remarks by . 



613. 637. 

 Howell, E. E., cited on Canyon Dia- 



bolo irons 501, 502 



Hubbard glacier. Condition of 261 



Hudson river, Depth of buried gorge.'if. 513 

 — • — , Perspective view of the subma- 

 rine canyon of 649 



Hull. Edward, quoted on appearance 



of "desert sandstone" 388 



Hunt. Walter F., Acknowledgments to. 248 

 HtTNTiNGDON, Ellsworth, elected Pel- 

 low , 570 



— . Record of remarks by 621 



— : Some characteristics of the Glacial 



period in non-glaciated regions. 351-388 

 Huron mountains. Effect of crystalliza- 

 tion in 645 



— river. Character of 343 



.Comparison with Battle run of.. 



342, 343 



HuRONiAN sediments. Thickness of 401 



Hi/aliiin var. danrersieiisis. Location 



■ of 520-.521 



Hi/CIS aninea. Location of 520-521 



Hydration. Examples of 22 



Hydrogen a result of volcanic activity. 20 



635 

 640 



LVIII— Bull, Geol. Soc. Am., Vol. 18, 1906 



