BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, L906-1907. 81 
.Gilbert, Grove Karl — Continued. 
954. Israel Cook Russell, 1852-1906.— Jour. Geology, vol. 14, no. 8, pp. 663- 
667, 1 pi., 1906. 
Gives an account of his life and work. 
955. Rate of recession of Niagara Falls. — U. S. Geol. Survey, Bull. no. 306, 
pp. 5-25, 11 pis., 8 ngs., 1907. 
Explains the cause of the recession, cites records as to former positions of the falls, 
and discusses the rate of recession. 
956. The [San Francisco] earthquake as ;i natural phenomenon. — 1'. S. Geol. 
Survey, Bull. no. 324, pp. 1-13, 8 pis., 2 figs., 1907. 
Discusses the fault trace, the dislocations of surface material, the motions constituting 
the earthquake, and the distribution of intensity. 
The investigation of the California earthquake of 1906. — See Jordan, no. 1325. 
Gilder, Robert F. 
957. A primitive human type in America. The finding of the "Nebraska 
man." — Putnam's Monthly, pp. 407-409, 2 ults.. January. 1907. 
Giles, W. B. 
958. Bakerite (a new borosilicate of calcium) and howlite from California. — 
Mineral. Mag., vol. 13, pp. 353-355, December, 1903. 
Gilmore, Charles W. 
959. Notes on the osteology of Baptanodon. With a description of a new 
species. — Carnegie Mus., Mem., vol. 2, pp. 325-342, 3 pis., 13 figs., 1906. 
960. Notes on some recent additions to the exhibition series of vertebrate 
fossils.— U. S. Nat. Mus., Proc, vol. 30, pp. 607-611, 6 pis., 1900. 
961. Notes on a newly mounted skeleton of Morycoidodon, a fossil mammal. — 
U. S. Nat. Mus., Proc. vol. 31, pp. 51:5-514, 1 pi.. 1906. 
962. The type of the Jurassic reptile Morosaurus agilis redescribed will) a 
note on Camptosaurus. — U. S. Nat. Mus., Proc, vol. 32, pp. 151-165, 2 pis.. 9 
figs., 1907. 
963. A new species of Baptanodon from the Jurassic of Wyoming. — Am. Jour. 
Sci., 4th ser., vol. 23, pp. 193-198, 2 figs., March. 1907. 
Gilpin, Edwin. 
964. Report on the mines of Nova Scotia. — Nova Scotia, Department of 
Mines, Report for 1906, 99 pp., 1907. 
Giroux, Joseph P. 
965. The Giroux mines, Nevada. — Eng. and Min. Jour., vol. 82, pp. 985 986, 
November 24, 1906. 
Describes the ore bodies at Ely, New 
Girty, George II. 
966. Report on fossil invertebrates [of the Cape Lisburne region, Alaska].— 
U. S. Geol. Survey. Bull. no. 27s, pp. 22 20, L906. 
Gives lists of fossils identified from various localities, considered to l>" of lower Mis 
sissippian age, and notes upon the faunas. 
967. Report on marine Carboniferous fossils from the coal fields of Arkan- 
sas.— U. S. Geol. Survey, Bull. no. 320. pi-. ::i :;:>. L907. 
Gives lists of invertebrate fossils identified from various localities. 
Glenn, Leonidas Chalmers. 
968. Erosion at Ducktown, Tennessee. Abstract: Science, new ser. vol. 23, 
p. 288, February 23, 1906; Am. Assoc. Adv. S«i.. Proc. vol. 55, p. '■>''. L906. 
66836— Bull. 372—09 
