326 The American Geologist. 
November, 1905 
(Bull. Dept. Geol., Univ. Cal., vol. 4, pp. 163-169, pis. 24-25, July, 
1905.) 
GRABAU, A. W. 
Physical characters and history of some New York formations. 
(Science, vol. 22, p. 528, Oct. 27, 1905.) 
GRANT, U. S. 
Water resources of the Mineral Point quadrangle, Wisconsin. 
(Wat. Sup. Ir. Pap., 145, pp. 67-73, 1905.) 
GRATON, L. C. (and W. F. SCHALLER). 
Purpurite, a new mineral. (Am. Jour. Sci., vol. 22, p. 146, Aug., 
1905.) 
GROVER, N. C. (See NEWELL, F. H. in October No.) 
GUILD, F. N. 
Petrography of the Tucson mountains, Pima county, Arizona. 
(Am. Jour. Sci., vol. 22, pp. 313-318, October, 1905.) 
HAMLIN, HOMER. 
Underflow tests in the drainage basin of Los Angeles river. 
Wat. Sup. Ir. Pap., 112, pp. 54, pis. 7, 1905. 
HEADDEN, W. P. 
Cubanite on a rubble incrustation. (Eng. & Min. Jour., vol. 80, 
p. 293, Aug. 19, 1905.) 
HEWETT, FOSTER. 
Timiskaming. (Eng. Min. Jour., vol. 80, p. 447, Sept. 9, 1905.) 
HICE, R. R. 
The clays of the upper Ohio and Beaver river region. (Trans. 
Am. Cer. Soc, vol. 7, 1905.) 
HILL, ROBT. T. 
Enrichment in fissure veins. (Eng. Min. Jour., vol. 80, p. 645, 
Oct. 7, 1905.) 
HOBBS, WM. H. 
Contributions from the Mineralogical Laboratory of the Uni- 
versity of Wisconsin. (Am. Geol., vol. 36, pp. 179-186, Sept., 1905.) 
HOLLISTER, G. B. 
Waters of a gravel filled valley, near Tully, New York. (Wat. 
Sup. Ir. Pap., 145, pp. 179-184, 1905.) 
HOLLISTER, G. B. (See LEIGHTON, M. O.) 
HORTON, R. E. 
Drainage of ponds into drilled wells. (Wat. Sup. & Ir. Pap. No. 
145, pp. 30-39, 1905.) 
HORTON, R. E. (See NEWELL, F. H.) 
