26 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, [bull.203. 
148 Clarke (John M.). The Maryland Eocene hook. 
Science, new ser., vol. 14, p. 27, 1901. 
Gives a brief review of this publication. 
149 Claypole (E. W.). Notes on petroleum in California. 
Am. Geol., vol. 27, pp. 150-159, 1901. 
Describes the physiographic features of the oil areas, the general geol- 
ogy, and the source of the oil and gas. 
150 The Sierra Madre near Pasadena [California]. 
Abstracts: Jour. Geol., vol 9, pp. 69-70, 1901; Geol. Soc. Am., Bull., 
vol. 12, p. 494, 1901. 
Contains notes on the Tertiary strata and igneous rocks of the region. 
151 Clements (J. Morgan), Van Hise (C. R.) and. The Vermilion 
iron-bearing district. 
See Van Hise (C. R.), 759. 
152 Coleman (Arthur P.). Glacial and interglacial beds near Toronto 
[Canada]. 
Jour. Geol., vol, 9, pp. 285-310, figs. 1-2, 1901. 
Describes the glacial history, the variations in climate and their effect 
on the then existing faunas and floras, and the glacial deposits of the 
region. 
153 Marine and fresh-water beaches of Ontario. 
Geol. Soc. Am., Bull., vol. 12, pp. 129-146, figs. 1-2, 1901. 
Abstract: Science, new ser., vol. 13, p. 130, 1901. 
Describes the marine deposits, shell gravels, and beaches of the region. 
154 The Vermilion River placers [Ontario]. 
Ontario Bureau of Mines, Kept, for 1901, pp. 151-159, 1 fig., 1901. 
Describes the character and distribution of the placers. 
155 Iron ranges of the Lower Huronian [Ontario]. 
Ontario Bureau of Mines, Rept. for 1901, pp. 181-211, pis. 25-28, 1991. 
Describes the character and occurrence of the iron-ore bodies of vari- 
ous localities, and the petrographic characters of some of the associated 
rocks. Discusses the origin of some of the ores and includes notes on 
the Pleistocene geology. 
156 — — Sea beaches of eastern Ontario. 
Ontario Bureau of Mines, Rept. for 1901, pp. 215-227, pis. 29-30, 1901. 
Contains notes on the Leda clay and Saxicava sand, and describes the 
character and occurrence of the beach sands and gravels and their 
faunas. 
157 Collie (George Lucius). Wisconsin shore of Lake Superior. 
Geol. Soc. Am., Bull., vol. 12, pp. 197-216, figs. 1-2, 1901. 
Describes the general geology of the region, the shore formations and 
beach phenomena, and the characters of the wave erosion and its 
topography. 
