256 The American Geologist. October, i9(H) 
Ordonez, Ezekiel. 
Un voyage a la Sierra Madre del Sur. (Mem. Soc. Cien. Antonio 
Alzate. 1899.) 
Penfjeld, S. L. (and W. E. Ford) 
Interesting developments of calcite crystals. (Am. Jour. Sci., vol. 
10, pp. 237-244. Sept. 1900.) 
Prosser, C S. 
Classification and distribution of the Hamilton and Chemung series 
of central and eastern New York, part 2. (17th Ann. Rep., State 
Geologist of New York, pp. 65-316. Geol. map, numerous plates and 
sections. 1899 ) 
Prosser, C. S. (and Richard B. Rowe) 
Stratigraphic geology of the eastern Helderbergs. (17th Ann. Rep.. 
State Geologist of N. Y., pp. 330-354, plates. 1899.) 
Prosser, C. S. 
Notes on the stratigraphy of the Mohawk valley and Saratoga 
county.- (Bull. N. Y. State Museum, vol. 7, pp. 469-482, plates. May. 
1900.) 
Ries, Heinrich. 
Limestones of New York and their economic value. (17th Ann. 
Rep., State Geologist of New York, pp. 355-467; 1899.) 
Rogers, A. F. 
Annotated list of the minerals occurring in the Joplin lead and zinc 
district. (Kans. Univ. Quart., vol. 9, pp. 161-165. April, 1900.) 
Rowe, Richard B. fC S. Prosser and) 
Stratigraphic geology of the eastern Helderbergs. (17th Ann. 
Rep., State Geologist, N. Y., pp. 330-354, plates. 1899.) 
Salisbury, R. D. 
The local origin of glscial drift. (Jour. Geol., vol. 8, pp. 426-432, 
July-Aug. 1900.) 
Sherzer, W. H. 
Geological report on Monroe county. Michigan. (Geol. Sur. Mich., 
vol. 7, part I, pp. 1-240, maps and plates. 1900.) 
Smith, James P. 
The biogenetic law from the standpoint of paleontology. (Jour. 
Geol., vol. 8, pp. 413-425, July-Aug. 1900.) 
Smith, James H. 
The Eocene of North America west of the looth meridian. (Jour. 
Geol. vol. 8, pp. 444-471. July-Aug. 1900.) 
Smith, C. H. Jr. 
Report on the crystalline rocks of the western Adirondacks. (17th 
Rep. N. Y. State Geologist, pp. 469-497. 1899.) 
Strahorn, R. E. 
Volcanic scenery of the Northwest. (Am. Rev. t)f K., Aug. 1900. 
vol. 22, pp. 202-208- 
Springer, Frank. 
On the presence of pores in the ventral sac in fistulate crinoids. 
(.Am. Geol., vol. 26, pp. 133-150, plate. Sept. 1900.) 
