weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 19 
Bain (H. Foster) — Continued. 
6. Lead and zinc deposits of Illinois. 
U. S. Geol. Surv., Bull. no. 225, pp. 202-207, 1904. 
Describes the general geology, character, occurrence, and origin of the ore 
deposits of lead and zinc. 
7. Fluorspar deposits of the Kentucky-Illinois district. Grades of 
ore, geology of the district, and genesis of the ores. 
Mines & Minerals, vol. 25, pp. 182-183, 1 fig., 1904. 
Describes the character, occurrence, geologic relations, genesis, and produc- 
tion of fluorspar deposits of southern Illinois and western Kentucky. 
8. The zinc deposits of Missouri. 
Lead & Zinc News, vol. 8, pp. 223-225, 1904. 
Describes the general geology of the zinc districts of Missouri, with a general- 
ized section of the Boone formation, the geological structure, and the char- 
acter, occurrence, and origin of the zinc-ore deposits. 
Baker (M. B.). 
1. On the occurrence and development of corundum in Ontario. 
Can. Mg. Inst., Jour., vol. 7. Advance separate, 12 pp., 1904. 
feall (Sydney H.). 
p.. The deposition of the Carboniferous formations of the north slope 
of the Ozark uplift. 
Jour. Geol., vol. 12, pp. 335-343, 3 figs., 1904. 
Describes the occurrence and character of Carboniferous strata and the geologic 
history of their deposition. 
IBall (Sydney H.) and Smith (A. F.). 
1. The geology of Miller County [Missouri]. 
Mo. Bur. Geol. & Mines, 2d ser., vol. 1, pp. 1-197, 18 pis., 56 figs., 1903. 
Describes the physiography and drainage, the character, occurrence, geo- 
logic relations, and economic resources of Cambro-Ordovician and Carbonif- 
erous formations, including numerous sections of strata, and discusses the 
general geologic structure and the origin of chert and dolomite. 
JBall (S. H.) and Smith (A. F), Buckley (E. R.). 
1. Glacial boulders along the Osage River in Missouri. 
See Buckley (E. R.), Ball (S. H.), and Smith (A. F.), 1. 
Barber (William Burton). 
1. On the lamprophyres and associated igneous rocks of the Rossland 
mining district, British Columbia. 
Am. Geol., vol. 33, pp. 335-347, 6 pis., 1904. 
Barbour (Erwin H.). 
1. Memoir of Wilbur Clinton Knight. 
Geol. Soc. Am., Bull., vol. 15, pp. 544-549, 1 pi. (port.), 1904. 
Includes a list of his published writings. 
Barlow (Alfred Ernest). 
L Report on the origin, geological relations, and composition of the 
nickel and copper deposits of the Sudbury mining district, 
Ontario, Canada. 
Can. Geol. Surv., Ann. Rept, vol. 14, pt. H, 236 pp., 24 pis. and 5 maps, 1904. 
