SUPPLEMENTARY CHAPTERS. 



Page. 



CHAPTER XVIII. 



General description of the country traversed by the exploring Expe- 

 dition, extracted from a report of Major Long to the Hon. J. C 

 Calhoun, Secretary of War; dated Philadelphia, January 20th, 

 1821, ....... 331 



I. Of the country situated between the Ohio river and the Alleghany 

 Mountains, ' - - - - - - 332 



II. Of the country situated between the Ohio, Mississippi, and the 

 Lakes, .._.--- 333 



III. Of the country situated between tlie Mississippi and Missouri 

 rivers, - -._ . _..- 340 



IV. Of the country situated between the Missouri and Red rivers, 

 west of the Mississippi, and east of the meridian of the Council Bluff, 342 



V. Of the country situated between the meridian of the Council 

 Bluff and the Rocky Mountains, - - - - 350 



VI. Of the Rocky Mountains, - - - 361 



VII. Of the Indians inhabiting the section of country last described, 363 



VIII. Of the Arrapahoes, Kaskaias, Kiaways, letans, and Shiennes, 367 



IX. Observations embracing several traits of character common to 



the Indians of the Western country, _ _ _ 368 



X. Of the Mississippi, Missouri, and Ohio rivers, - - 376 



XI. Of the Great Valley, or basin of the Mississippi, - - 379 



CHAPTER XIX. 



Observations on the geology of the country traversed by the Expe- 

 dition, - - - - ' - - - 384 



SECTION I, Of the Secondary formations connected with the Rocky 

 Mountains — 1, Of the Great American Desert — 2, Sandstones of 

 the Rocky Mountains — 3, Floetz trap rocks, _ - . 386 



SECTION II. Of the Primitive parts of the Rocky Mountains, - 405 



SECTION in. Of the Ozark Mountains— 1, Carboniferous limestone — 

 2, Argillaceous sandstone — 3, Petrosilex — 4, Native argil? — 5, In- 

 clined sandstone — 6, Argillite — 7, Granite, - - 408 



SECTION IV. Of the Alleghany Mountains — 1, Granular limestone — 

 2, Metalliferous limestone-^3. Transition argillite — 4, Transition 

 sandstone, - _.-_ . -- 432 



APPENDIX — Containing 

 Astronomical and Meteorological records— Vocabularies of Indian 

 languages, and a general Indexj^conclusion of the volume- 



