1 30 The American Geologist. August, i9oo 
Gilbert, G. K. 
Rhythms and Geologic time. (Science, N. S., vol. ii, pp. 1001-1012, 
June 29, IQOO.) 
Girty, G. H. 
Devonian and Carboniferous fossils, [Yel. Nat. Park.] (Mon. 32, 
Part 2, pp. 580-599, pis. 66-71, 1899.) 
Gould, C. N. 
Non-conformities at the mouth of the Platte river. (Am. Geo!., vol. 
25, pp. 364-369, June, 1900.) 
Gregory, H. E. 
Volcanic rocks from Temiscouata lake, Quebec. (Am. Jour. Sci., 
vol, 10, pp. 1-14, July, 1900.) 
Gresley, W. S. 
Possible new coal plants in coal. Part II. (Am. Geol. vol. 26, pp. 
49-55. 4 plates, July, 1900.) 
Hague, Arnold, 
Descriptive geology of Huckleberry mountain and Big Game ridge. 
(Mon. 32, Part 2, U. S. G. S., pp. 165-203, pis. 24-26, 1899.) 
Herrick, C. L. 
Report of a geological reconnoissance in western Socorro and Val- 
encia counties. New Mexico. (Am. Geol., vol. 25, pp. 331-346, 2 pis.. 
June, 1900.) 
Hershey, O. H. 
The upland loess of Missouri — its mode of formation. (Am. Geol., 
vol. 25, pp. 369-374, June, 1900.) 
Hovey, E. O. 
Oliver Payson Hubbard [Portrait.] (Am. Geol., vol. 25, pp. 360-364, 
June, 1900.) 
Hovey, E. O. 
The Wind cave of South Dakota. (Sci. Am. Sup., June 16, 1900.) 
Iddings, J. P., and W. H. Weed. 
Descriptive geology of the northern end of the Teton range. (Mon. 
32, Part 2, U. S. G. S., pp. 149-165, pi. 23, 1899.) 
Iddings, J. P. 
The igneous rocks of Electric peak and Sepulchre mountain. (Mon. 
32, Part 2, U. S. Geol. Sur., pp. 89-149, pis. 12-22, 1899.) 
Iddings, J. P. 
The igneous rocks of the Absaroka range and Two Ocean plateau, 
and of outlying portions of the Yellowstone National Park. (Mon. 32, 
Part 2, U. S. G. S., pp. 269-325, pis. 35-36, 1899.) 
Iddings, J. P. 
Absarokite-Shoshonite-Banakite series [Yellowstone Nat. Park]. 
(Mon. 32, Part 2, pp. 326-355, pis. 37-38, 1899.) 
Iddings, J. P. 
Recent basalts [Yel. Nat. Park]. (Mon. 32, Part 2, pp. 433-439, pi, 
59, 1899.) 
