382 The American Geologist. June. 1901. 
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Nitrates in cave earths. (Jour. Geol., vol. 9. pp. 236-243. Apr.-Maj', 
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Owen, Luella Agnes. 
The bluffs of the Missouri river. (Vcrhandl d. vii Intern. Geog. 
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Pearson, H. W. 
Oscillations in the sea level. II. (Geol. Mag., vol. 8, pp. 223-231. 
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Peck, F. B. 
Preliminary notes on the occurrence of serpentine and talc at East- 
ton, Pa. (Ann. N. Y. Acad. Sci., vol. 13, pp. 419-427, pi. xvi. 1901.) 
Prosser, C. S. 
The classification of the Waverly series of central Ohio. (Jour. 
Geol., vol. 9, pp. 205-231. Apr. -May, 1901.) 
Reid, H. F. 
The variations of Glaciers, vi. (Jour. Geol., vol. 9, pp. 250-25.1. 
Apr.-May. 1901.) 
Sardeson, F. W. 
Fossils in the St. Peter sandstone. (Bull. Minn. Acad. Sci., vol. 3, 
p. 318. 1901.) 
Sardeson, F. W. 
The Lower Silurian formations of Wisconsin and Minnesota com- 
pared. (Bull. ]\Iinn. Acad. Sci., vol. 3, pp. 319-326. 1901.) "■ 
Sardeson, F. W. 
The range and distribution of the Lower Silurian fauna of Minne- 
sota, with descriptions of some new species. (Bull. Minn. Acad. Sci., 
vol. 3. pp. 326-343. 1901.) 
Sardeson, F. W. 
Paleozoic fossils in the Glacial drift of Minnesota. (Bull. Minn. 
Acad. Sci., vol. 3, p. 317. 1901.) 
Siebenthal, C E. 
On the use of the term Bedford limestone. (Jour. Geol., vol. 9, pp. 
234-235- Apr.-May. 1901.) 
Smith, Herbert W. 
Preliminary notes on the conglomerate and amygdaloids of the 
Snake river valley. Abstract. (Bull. Minn. Acad. Sci., vol. 3, j). 312. 
1901.) 
Smith, James Perrin (and Stuart Weller). 
Prodromites, a new Ammonite genus from the Lower Carbonifer- 
ous. (Jour. Geol.. vol. 9, pp. 255-266. Apr.-May. 1901. pis. vi-viii.) 
Stevenson, John J. 
The section at Schoharie. N. Y. (Ann. N. Y. Acad. Sci.. vol. 13. 
op. 361-380. igoi.) 
