[MALCOLM] BIBLIOGRAPHY OF CANADIAN GEOLOGY 143 
CusHING, H. P. 
1. Age of the igneous rocks of the Adirondack regions. Am. Jour. Sc., vol. 39, 
pp. 288-294, March, 1915. 
2. Discussion of paper by Miller and Knight on “Revision of Pre-Cambrian 
classification in Ontario.” Geol. Soc. Am., Bull., vol. 26, no. 1, p. 88, 
March, 1915. 
DALE, NELSON C. 
The Cambrian manganese deposits of Conception and Trinity bays, New- 
foundland. Am. Phil. Soc., Proc., vol. 54, no. 220, pp. 371-456, 47 figs., 
October-December, 1915. 
DaLy, REGINALD ALDWORTH. 
1. A geological reconnaissance between Golden and Kamloops, B.C., along 
the Canadian Pacific railway. Canada, Dept. of Mines, Geol. Surv., 
Memoir 68, 260 pp., 46 pls., 4 figs., 7 maps, 1915. 
2.’ The glacial-control theory of coral reefs. Am. Acad. Arts and Sc., Proc., 
vol. 51, no. 4, pp. 157-251, illus., November, 1915. 
DaRLING, S. M. 
The carbonizing and briquetting of lignite. Board of Highway Commis- 
sioners, Government of the Province of Saskatchewan, 48 pp., illus., Regina, 
1915. 
Davis, N. B. 
1. Metal oxide and sulphide impregnation of fire-brick. Econ. Geol., vol. 10, 
no. 7, pp. 663-675, 4 pls., 1 fig., November-December, 1915. 
2. The plasticity of clay and its relation to mode of origin. Am. Inst. Min. 
Eng., Bull. 98, pp. 301-330, February, 1915. 
3. The plasticity of clay. Am. Ceramic Soc., Trans., vol. 16, pp. 65-79, 2 figs, 
1914, 
4. The effect of lime on certain cracking clays. Am. Ceramic Soc., Trans., 
vol. 17, pp. 497-504, 1 fig., 1915. 
DECKER, CHARLES E. 
Preliminary paper on recent crustal movement in the Lake Erie region. 
Abstract: Geol. Soc. Am., Bull., vol. 26, no. 1, p. 66, March, 1915. 
DELURY, JusTIN S. 
The principles underlying the occurrence of oil and gas and their application 
to western Canada. Can. Min. Jour., vol. 36, no. 11, pp. 331-333, June 
L'HOTS: 
Denis, THEO. C. 
1. Preliminary statement of the mineral production in the Province of Quebec 
during 1914, 7 pp. Quebec Dept. of Colonization, Mines and Fisheries, 
Mines Branch, 1915 
2. Report on mining operations in the province of Quebec during the year 1914, 
151 pp. Quebec Department of Colonization, Mines and Fisheries, Mines 
Branch, Quebec, 1915. 
