190 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Veatch, Arthur C. — Continued. 
2439. On the origin and definition of the geologic term " Laramie." — Jour. 
Geology, vol. 15, no. 6, pp. 526-549, 1907. Abstract: Am. Jour. Sci., 4th ser., 
vol. 24, pp. 18-22, July, 1907. 
2440. Coal fields of east-central Carbon County, Wyo. — U. S. Geol. Survey, 
Bull. no. 316, pp. 244-260, 1 pi., 1907. 
Veatch, Arthur C, and Bowman, Isaiah. 
2441. Well records on Long Island. — U. S. Geol. Survey, Prof. Paper no. 44, 
pp. 116-337, 11 pis., 7 figs., 1906. 
Veatch, Otto. 
2442. The term " colluvial " as applied to clay deposits. — Science, new ser., 
vol. 24, p. 782, December 14, 1906. 
Defines the term and explains the origin of the material to which it is applied. 
2443. Kaolins and fire clays of central Georgia. — U. S. Geol. Survey, Bull, 
no. 315, pp. 303-314, 1 fig., 1907. 
Verri, A. 
2444. Le eruzioni della Montagna Pelee e del vulcano Laziale. — Soc. geol. 
italiana, Boll., vol. 24, pp. 84-88, 1905. 
Describes phenomena attending the eruption of Mont Pele in 1902. 
Verrill, Addison E. 
2445. The Bermuda Islands. Part IV, Geology and paleontology, and Part 
V, An account of the coral reefs. — Connecticut Acad. Arts and Sci., Trans., vol. 
12, pp. 45-348, 25 pis., 180 figs., 1907. 
Describes the geologic structure, the occurrence and relation of the Tertiary and later 
deposits, the geologic history of the islands, and invertebrate fossils. 
Vicaire, A. 
2446. Les gisements petroliferes des Etats Unis. — Soc. de lTnd. min., St. 
Etienne, Bull., 4 e ser., t. 4, pp. 681-849, 5 pis., 11 figs., 1905; t. 7, pp. 433-188, 
3 pis., 5 figs., 1907. 
An extended account of the petroleum industry and petroleum deposits of the United 
States. 
Vigier, Victor von. 
Sobre la aplicacion de la potasa caustica a la preparacion de fosiles. — See 
Bose and Vigier, no. 269. 
Villafana, Andres. 
2447. El volcan Jorullo. — Mexico, Inst. Geol., Parergones, t. 2, no. 3, pp. 73- 
130, 8 pis., 1907. 
Describes situation, topography, geologic structure, and petrography of the volcano 
Jorullo, in Mexico. 
Villarello, Juan D. 
2448. Descripcion de las minas " Santiago y anexas " de Estado de Michoacan 
[Mexico]. — Soc. cient. "Antonio Alzate." Mem. y Rev., t. 22, pp. 125-140, 3 
pis., 1 fig., 1905. 
Describes the geology, occurrence, and origin of the gold and silver ores. 
2449. Resena del mineral de Arzate (Estado de Durango). — Soc. cient. 
"Antonio Alzate," Mem. y Rev., t. 23, pp. 211-240, 1905. 
Describes the geology, the mines, and the occurrence and origin of the ore deposits. 
2450. Descripcion de algunas minas de Zacualpan (Estado de Mexico). — 
Soc. cient. "Antonio Alzate," Mem. y Rev., t. 23, pp. 251-266, 1906. 
Describes the local geology, and the occurrence, character, and origin of the ore 
deposits. 
