weeks 1 PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1896. 23 
76 Brewer (William M.). Further notes on the Alabama and Georgia 
gold fields. 
Am . Inst. Mg. Engrs., Trans., vol. xxvi, pp. 464-472, 1896. 
Contains notes on the occurrence of gold ores and associated rocks in 
these States. 
77 - — Mineral resources along the line of the East Tennessee, Vir- 
ginia, and Georgia division of the Southern Bailway. 
Eng. and Mg. Jour., vol. lxi, pp. 65-66, 1896. 
Includes general remarks on the occurrence of bauxite, iron, lead, and 
zinc ores in this region. 
78 Gold mining in Alabama. 
Ala. Ind. and Sci. Soc, Proc, vol. vi, pp. 42-49, 1896. 
Gives a general description of the occurrence of gold in certain 
regions of Alabama. 
79 The manganese ores of Georgia. 
Ala. Ind. and Sci. Soc, Proc, vol. vi, pt. 2, pp. 72-78, 1896. 
Gives general notes on the manganese ore bodies in Georgia. 
80 Broadhead (Garland C). Goal Measures of Missouri. 
Mo. Geol. Surv., vol. viii, pp. 355-395, 1895. 
Describes the general character and distribution of the Coal Measure 
rocks of Missouri and gives several vertical sections. 
81 The Devonian of North Missouri, with notice of a new fossil. 
Am. Jour. Sci., 4th ser., vol. ii, pp. 237-239, figs. 1-7, 1896. 
Mentions the Devonian fossils found in this region and describes 
Pleurotomaria providencis. 
82 Brock (B. W.), Miller (W. G.) and. Some dikes cutting the Lau- 
rentian system, counties of Frontenac, Leeds, and Lanark, 
Ontario. 
See Miller (W. G.) and Brock (R. W.), No. 512. 
83 Brooks (Alfred H.). Preliminary petrographic notes on some meta- 
morphic rocks from eastern Alabama. 
Ala. Geol. Surv., Bull. No. 5, pp. 177-197, 1896. 
Describes the petrographic characters of some metainorphic and 
igneous rocks. 
84 Taff (J. A.) and. Buckhannon folio, West Virginia. 
See Taff (J. A.) and Brooks (A. H.), No. 657. 
85 Brown (Amos P.). The crystallization of molybdenite. 
Phil. Acad. Nat. Sci., Proc. 1896, pp. 210-211, 1896. 
Describes crystallographic characters of molybdenite. 
86 Browne (David H.). Segregation in ores and mattes. 
Can. Rec. Sci., vol. vii, pp. 176-190, 1896. 
Gives a brief description of the Sudbury, Ontario, copper ore deposits. 
87 Bryson (John). Good Ground, Long Island [New York]. 
Am. Geol., vol. xviii, pp. 329-331 (correspondence), 1896. 
Describes the glacial pheuomena of the region. 
