198 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 



Gilbert, G. K. 



a. Report on the Geology of Portions of Nevada, Utah, California, and Ari- 



zona, examined in the years 1871 and 1872. Engineer Dep't U. S. 

 Army. Report upon Geog. and Geol. Expl. W. of 100th Merid. Vol. 

 III., Washington, 1875. Part I. pp. 17-187- 



b. The Colorado Plateaux Province as a Field for Geological Study. Amer. 



Journ. Sci., Vol. XII., 1876, 16-21, 85-103. 

 c Report on the Geology of the Henry Mountains. Dep't of the Interior, 

 U. S. Geog. and Geol. Survey Rocky Mountain Region, Washington, 

 1877. 



d. Lake Bonneville. Monogr. I., U. S. Geol. Suit., Washington, 1890. 



e. Flagstaff to Grand Canyon. Geol. Guide-book for an Excursion to the 



Rocky Mountains. Compte-rendu 5th Internat. Congr. of Geol. New- 

 York, 1894, pp. 472, 473. 



Hayes, C. W. 



Physiography of the Chattanooga District in Tennessee. 19th Ann. Rep. 

 U. S. Geol. Surv., Part II., 1899, pp. 1-58, (58). 



Hayes, C. W., and Campbell, M. R. 



Gemorphology of the Southern Appalachians. Nat. Geogr. Mag., Vol. VI., 

 1894, pp. 63-126, (105-107). 



Holmes, W. H. 



The Drawings by which the Colorado Canyon is so finely illustrated in 

 Dutton's Reports (b. c), are from the pencil, pen, and brush of this 

 artist-geologist. 



Howell, E. E. 



Report on the Geology of Portions of Utah, Nevada, Arizona, and New 

 Mexico, examined in the years 1872 and 1873. Engineer Dep't U. S. 

 Army, Rep. upon Geog. and Geol. Expl. W. of 100th Merid., Vol. III., 

 Washington, 1875. Part III., pp. 227-301. 



Ives, J. C. 



Report upon the Colorado River of the West. Senate, 36th Congress, 1st 

 Session, in Washington, 1861, Part I. General Report, pp. 13-131. 



Jefferson, M. S. W. 



The Antecedent Colorado. Science, Vol. VI., 1897, pp. 293-295. 



Jukes, J. B. 



On the Mode of Formation of Some of the River Valleys in the South of 

 Ireland. Quart. Journ. Geol. Soc, Vol. XVIIL, 1862, pp. 378-403. 



King, C. 



U. S. Geological Exploration of the Fortieth Parallel. Vol. I. Systematic 

 Geology. Washington, 1S78. 



