AHEBICA. 143 



Account of Coal Mining Operations in Alabama since 1863, by T. H. 

 Aldricli (Cahaba, Coosa, and Warrior Pields), 28-45. Geological 

 Features of the Fields and Character of the Coals (Alabama Coal and 

 Iron, by R. P. Rothwell [reprint]. Analyses of coals), 45-65. Pro- 

 duction, 65, 6Q. Kecords of 4 borings, 66-74. Partial List of Coal- 

 Plants, and Geological Station marked by the Specimens, by Prof. 

 Lesquereux, 75-82. Details of Bibb, Shelby, Talladega, Calhoun, and 

 Coosa Counties (sections ; many analyses of iron-ores, limestones, and 

 copper-ores ; notes of minerals), 83-190. Chemical lleport, with 

 analyses, 190-198. Appendix, Description of the Eastern side of the 

 Cahaba Coal Field, by M. Tuomey (1855, ? reprint. Estimate of yield, 

 analyses of coals), 205-212. W. W. 



Stevenson, J. J. Report of Progress in the Greene and Washington 



District of the Bituminous Coal-fields of Western Pennsylvania. 



Second Geological Survey of Pennsylvania. Pp. x, 420, plates 



(2 maps, 3 sections). 8vo. Harrishurg. 



Part i.. Introduction, pp. 1-22, describes the physical features and 



surface Geology. Part ii., Systematic Geology, pp. 23-89, describes the 



stratified rocks (Coal Measures). Part iii.. Geology by Townships, 



pp. 90-349, gives details under about 70 heads. Part iv.. Tables of 



Depth, pp. 350-375, gives the calculated depths of coals at many 



places. Part v., Economic Geology, pp. 376-397, gives notes and 



analyses of coals, iron-ores, limestone, petroleum, &c. W. W. 



Tiffany, A. S. Discovery of Human Remains in a SheU-bed on 



Rock Island. Proc, Davenp. Ac. Nat. Sci. vol. i. p. 42. 

 Note of discovery in stratified shelly sand. 



Wallace, Charles M. On Flint-implements from the Stratified 

 Drift of the vicinity of Richmond, Virginia. Amer. Journ. ser. 3, 

 vol. xi. pp. 195-199. 

 Gives 2 sections of deposits (soil, brick-earth, clay, gravel, and sand) 

 near the James River, whence the implements were derived. 



Warren, G. K. Report on the Transportation route along the Wis- 

 consin and Fox Rivers, in the State of Wisconsin between the 

 Mississippi River and Lake Michigan. Pp. 114, maps. Senate 

 Ex. Document, no. 28, 44th Congr. Washington. 



Describes the physical geography, noticing the oscillations which 

 determined it, and the sandbars of the Wisconsin. 



Warren, Major. Report on the Minnesota River. In the Annual 

 lieport of the Chief Engineers to the Secretary of War for the year 

 1875. Map. 

 Much geological information, including a map showing the Mis- 

 sissippi when its head was Lake Winnipeg. 



Wiener, Prof. C. [Notes on Shell-heaps on the Coast of Peru.] Mitth, 



I'.-k. yeogr. Ges, pp. 486-489. See Geol. Mag. 1877, p. 28. 

 The ago of these sambaquis, or ancient kitchen-middens, is in pro- 



