724 



REPORT OF NATIONAL MUSEUM, 1!H>4, 



Page. 



Hitchcock, Edward, sketch of 70J 



survey of Massachu- 

 setts.... 307 

 Vermont. 469 

 views ou distorted peb- 

 bles 315 



drift 274,471 



erosive power 



of rivers 310 



inversion o f 



strata 471 



living animals 



in rocks 472 



meta morph- 

 ism and 

 elonga t ion 

 of quartz 

 pebbles . . 470, 510 

 origin of con- 

 cretions 315 



theTaconic.663,668 

 Hobbs, B. C, assistant, survey of Indiana.. 548 

 Hodge, James T., assistant, survey of Penn- 

 sylvania 490 



collections by 355 



sketch of 700 



Holl, H. D., assistant, survey of Pennsyl- 

 vania 490 



Holmes, Ezekiel, natural-history survey of 



Maine 511 



Holmes, F. S., geology of Charleston, ,S. C. . 409 

 Holmes, William H., artist, Hayden survey. 596 

 geologist, Hayden sur- 

 vey 603 



sketch of 700 



Hooker, Sir Joseph, with Hayden survey.. 602 



Hopkins, F. V., geology of Louisiana 558 



Hot springs, origin of, by D. D. Owen 482 



Houghton, C, mineralogist, on Maine sur- 

 vey "511 



Houghton, Douglass, sketch of 361, 701 



work in Michigan . . . 360 

 Howell, Edwin E., assistant, Wheeler sur- 

 vey 616 



sketch of 701 



work on Wheeler sur- 

 vey 618 



Howley, James P., work in Newfoundland. 520 



Hubbard, Bela, assistant to Houghton 360 



sketchof 701 



Hubbard, Oliver P., on rock decay 435 



sketchof 701 



Hudson River, geology of 249 



origin of bed 299 



Palisades, origin of 377 



Human footprints (supposed) in sandstone, 

 views of Schoolcraft, D. D. Owen, Man- 

 tell, and others 262-264 



Humphreys, A. A., fortieth parallel survey. 607 

 Hunt, T. Sterry, assistant, survey of Can- 

 ada 517,549 



survey of Penn- 

 sylvania 582 



Vermont survey 391 



sketch of 701 



views on Eozoon cana- 



dense 636 



Hunt, T. Sterry. views on Tacohic 666 



Hutton, James, reference to 208 



Hyatt, Alpheus, sketch of 701 



Ichnology of New England, by Edward 



Hitchcock. (531 



Illinois, geology of, by C. U. Shepard • 340 



survey of, by D. I>. owen 351 



work of Amos H. Worthen 496 



J. G. Norwood 432 



A. H. Worthen, State geologist of. 433 



Illustrations of surface geology 462 



Inclination of rocks indicative of age 291 



views of Jackson 359 



strata, cause of 277 



views of Hitchcock, 

 Cleaveland, a n d 



Maclure 389 



Index to Geology of North America, second 



edition 251 



the Geology of the Northern 



States 234 



Indiana geological survey by D. D. Owen. 349, 507 



under E. T. Cox.. 548 



second geological survey 433 



Infusory stratum, discovery of 342 



Inland seas, views of Schoolcraft 245 



Inversion of strata, views of Edward Hitch- 

 cock 471 



H.D.andW. B. 

 Rogers .... 342, 370 



Inverted dip 315 



views of William Aiken 321 



Iowa, geological surveys of 351, 465, 532 



Iron ore at Cumberland, Rhode Island, 



eruptive nature of 348 



of Lake Superior, origin of 404 



Missouri , origin of 556 



origin of, by C. T. Jackson 289 



Irving, Roland D., assistant, survey of Wis- 

 consin 570, 571 



sketch of 701 



work in Wisconsin 573 



Isostacy 500 



Itacolumite, views of O. M. Lieber 445 



Ives' expedition up the Colorado 477 



Jackass Creek, inverted beds of 599 



Jackson, Charles T., survey of Maine 346 



New Hamp- 

 shire 358 



Nova Scotia 288 

 Rhode Isl- 

 and 347 



on inclination of strat- 

 ified rocks 359 



origin of coal 360 



reservation of min- 



. eral lands 415 



source of trap and 



origin of iron ores 289 



sketch of 290, 702 



views on drift .. 347, 348, 359 



volcanoes... 359 



work in Michigan 414 



Jackson, R. M., assistant, survey of Penn- 

 sylvania -190 



