'eeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 29 
Bureau (Ed.). 
1. Sur une collection de vegetaux fossiles des Etats-Unis. 
Mus. d'Hist, Nat., Paris, Bull., t. 9, pp. 250-251, 1903. 
Gives a brief account of a collection of fossil Cretaceous plants from Kansas 
and Colorado. 
Burns (David). 
1. On the phenomena accompanying the volcanic eruptions in the 
West Indies. 
Brit. Assoc. Adv. Sci., Kept, 73d meeting, pp. 567-568, 1904. 
Burrows (John Shober). 
1. The Barnesboro-Patton field of central Pennsylvania. 
U. S. Geol. Surv., Bull. no. 225, pp. 295-310, 1904. 
Describes location and stratigraphy of the field, the character and occurrence 
of the coal seams, composition and value of the coal, and the mining 
developments. 
Butts (Charles). 
1. Coal mining along the southeastern margin of the Wilmore basin, 
Cambria County, Pa. 
U. S. Geol. Surv., Bull. no. 225, pp. 325-329, 1904. 
Describes the location and geologic structure of the field and the mining oper- 
ations. 
2. Kittanning folio, Pennsylvania. 
U. S. Geol. Surv., Geol. Atlas of U. S., folio no. 115, 1904. 
Describes physiographic features, the character, occurrence, and relations of 
Carboniferous strata and particularly of the coal beds, the geologic structure 
and geologic and geographic history, and the economic resources, mainly 
coal, petroleum, and natural gas. The section on glacial gravels is contrib- 
uted by Frank Leverett. 
Byrne (John). 
(L. Geography, history, production, fissure systems, distribution of 
ores, character of ores [of the Butte, Montana, mining district]. 
Mont, Inspector of Mines, 14th Ann. Kept., pp. 26-33 [1903]. 
Includes a brief account of the general geology of the vicinity of Butte, Mon- 
tana, of the fissures and veins, and the occurrence of the ore deposits of silver 
and copper ores. 
C. 
Caballero (Gustavo de J.). 
L. El vanadio de Charcas, E. de San Luis Potosi, Mexico. 
Soc. Cient. Ant. Alz., Mem. y Rev., t. 20, pp. 87-98, 1903. 
Describes the occurrence and character of deposits containing vanadium in the 
state of San Luis Potosi, Mexico. 
Cahill (Edward G.). 
L. The method used in working the silver-lead mines of Santa Eulalia, 
Chihuahua, Mexico. 
Cal. Jour. Techn., vol. 3, pp. 145-149, 1 pi., 1904. 
Gives notes on the occurrence and geologic relations of the silver-lead ore 
deposits. 
