104 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-190*?. 
International Geological Congress. 
1276. X Reunion del Congreso geologic*) international. (Extracto de las 
actas de sesiones d&l Consejo y Generales del Congreso.) — Mexico, Secretaria 
de Fomento, Boletin, Seg. epoca, ano 6, VI, no. 3, pp. 45-48, no. 4, pp. 49-56, 
no. 5, pp. 75-79, 1900; no. 6, pp. 81-89, 1907. 
A report of the proceedings of the Tenth International Geological Congress held in the 
City of Mexico, September, 1906. 
Irving, John Dner. 
1277. Review of "The geological map of Illinois," by Stuart VYeller (111. 
State Geol. Survey, Bull. no. 1).— Econ. Geology, vol. 1, no. 8, pp. 816-818, 1906. 
The Downtown district of Leadville, Colorado.— See Emmons and Irving, 
no. 803. 
Description of the Ouray quadrangle, Colorado. — See Cross, Howe, and 
Irving, no. 607. 
Issel, Arturo. 
1278. A proposito del recente disastro delle Antille, proposta e voti. — Soc. 
ligustica di sc. nat. e geogr., Atti, vol. 13, no. 2, pp. 77-90, 1902. 
•Describes phenomena connected with the eruption of Mont Pele, Martinique 
Jaccaci, August F. 
1279. Pelee, the destroyer. Splendors and terrors of an eruption at close 
range. — McClure's Mag., vol. 19, no. 5, pp. 401-416, 13 figs., September, 1902. 
Jaggar, Thomas A., jr. 
1280. The eruption of Mount Pelee, 1851. Translated from the French of 
Le Prieur, Peyraud, and Rufz. — Am. Naturalist, vol. 38, pp. 51-73, January, 
1904. 
1281. How should faults be named and classified V — Econ. Geology, vol. 2, 
no. 1, pp. 58-62, 1 fig., 1907. 
1282. Current methods of observing volcanic eruptions. — Abstract : Science, 
new ser., vol. 25, pp. 764-765, May 17, 1907. 
1283. Experiments illustrating erosion and sedimentation. — Abstract: 
Science, new ser., vol. 25, p. 765, May 17, 1907. 
James, F. Wilton. 
1284. Notes on the Minnewaska region of Ulster County, N. Y. — Abstract: 
New York Acad. Sci., Annals, vol. 17, pt. 3, pp. 580-581, 1907. 
Jar vis, May M. 
1285. On the fossil genus Porocystls Cragin. — Biol. Bull., vol. 9, no. 6, pp. 
388-390, 6 figs., November, 1905. 
Jefferson, Mark S. W. 
1286. The scaurs on the river Rouge [Michigan |. — Science, new ser., vol. 19, 
pp. 150-151, January 22, 1904. 
1287. Lateral erosion on some Michigan rivers. — Geol. Soc. America, Bull., 
vol. 18, pp. 333-350, 5 figs., 1907. 
1288. Material for geography of Michigan. Ypsilanti, Michigan. 1906. 90 
pp., illus. Reprinted from Normal College News. 
Contains an account of the physiography, including old beaches and moraines. 
1289. Uplift increases rainfall, denudation diminishes it. — Science, new ser., 
vol. 25. pp. 909-910, June 7, 1907. 
Jeffrey, Edward C. 
1290. Affinities of certain Cretaceous plant remains commonly referred to 
the genera Dammara and Brachyphyllum. — New York Bot. Garden, Contr. no. 
79, 1906. 
Recent identification of Cretaceous gymnosperms from Kreicherville, N. Y. — 
See Hollick and Jeffrey, no. 1213. 
