196 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Weller, Chas. A. 
2514. Barytes mines of the Commercial Mining and Milling Company [Ten- 
nessee]. — Eng. and Min. Jour., vol. 83, p. 851, 2 tigs., May 4, 11)07. 
Weller, Stuart. 
2515. Classification of the upper Cretaceous formations of New Jersey. — 
Abstract: Geol. Soc. America, Bull., vol. 16, p. 579, 1900. 
2516. Fauna of the Cliffwood clays. — Abstract: Geol. Soc. America Bull., 
vol. 10, p. 580, 1906. 
2517. The geological map of Illinois. — Illinois State Geol. Survey, Bull. no. 1, 
26 pp. and geol. map, 1906. 
The letterpress accompanying the map gives a general account of the stratigraphy of 
the State and of the materials used in compiling the map. 
2518. Geologic structure of the State [of Illinois]. — Illinois State Geol. Sur- 
vey, Bull. no. 2, pp. 21-22, 1 pi., 1906. 
Discusses more particularly the axes of deformation of the State and briefly describes 
the principal geological formations. 
2519. Kinderhook faunal studies. IV. The fauna of the Glen Park lime- 
stone.— St. Louis Acad. Sci., Trans., vol. 16, no. 7, pp. 435^71, 2 pis., 1906. 
A description of the geologic section near Glen Park station, Missouri, from which the | 
fossils were obtained, precedes their systematic descriptions and a discussion of the 
time relations of the fauna and of the distribution of Kinderhook faunas. 
2520. A report on the Cretaceous paleontology of New Jersey, based upon 
the stratigraphic studies of George N. Knapp. — New Jersey Geol. Survey, 
Paleontology series, vol. 4, Text, S71 pp., Plates, pp. 875-1106, 111 pis., 1907. 
Discusses the occurrence and correlation of New Jersey Cretaceous formations, with 
an analysis of their faunas, including lists of species, and the classification and corre- 
lation of the faunas, and gives descriptions of the invertebrate fossils. 
2521. The paleontology. of the Xiagaran limestone in the Chicago area: The 
Trilobita.— Chicago Acad. Sci., Nat. Hist. Survey, Bull. no. 4, pt. 2, pp. 161-281, 
10 pis., 1907. 
2522. The pre-Richmond unconformity in the Mississippi Valley. — Jour. Geol- 
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2523. Notes on the geology of southern Calhoun County [Illinois]. — Illinois 
State Geol. Survey, Bull. no. 4, pp. 219-233, 1907. 
2524. The geological map of Illinois (second edition). — Illinois State Geol. 
Survey, Bull. no. 6, 34 pp. and geol. map (in pocket), 1907. 
Wells, Horace L. 
2525. Samuel Lewis Penfield [died August 12, 1906]. — Science, new ser., vol. 
24, pp. 252-253, August 24, 1906. 
Wemple, Edna M. 
2526. New cestraciont teeth from the west-American Triassic. — California 
Univ., Dept. Geol., Bull., vol. 5, no. 4., pp. 71-73, 1 pi., 1906. 
Wendeborn, B. A. 
2527. Der Ducktown-Kupfergrubendistrict in den Vereinigten Staaten von 
Nordamerika. — Berg- und hiittenm. Zeitung, Jg. 62, no. 7, pp. 86-88, February 
13, 1903. 
Describes the geological relations, characters, and occurrence of the copper ores of 
the Ducktown, Tenn., copper district. 
Westgate, Lewis G. 
2528. Abrasion by glaciers, rivers, and waves. — Jour. Geology, vol. 15, no. 2, 
pp. 113-120, 3 figs., 1907. 
