166 THE ROYAL SOCIETY OF CANADA 
WALCOTT, CHARLES D. 
1. The Cambrian and its problems in the Cordilleran region. Problems of 
American Geology, pp. 162-233, 2 pls., 8 figs. Yale University Press, New 
Haven, 1915. ; 
2. Pre-Palæozic algal deposits. Abstract: Science new ser., vol. 41, p. 879, 
June 11, 1915; Abstract: Wash. Acad. Sc. Jour., vol. 5, no. 20, p. 649, 
December 4, 1915. 
WALKER, T. L. 
1. Certain mineral occurrences in the Worthington mine, Sudbury, Ontario, 
and their significance. Econ. Geol., vol. 10, no. 6, pp. 536-542, 5 figs., 
September-October, 1915. 
2. Minerals from Baffin land. Ottawa Naturalist, vol. 29, nos. 5 and 6, pp. 
63-66, August-September, 1915. 
WALLACE, R. C. : 
1. Gypsum and brines in Manitoba. Canada, Dept. of Mines, Geol. Surv., 
Summary Rept., 1914, pp. 73-80, 1915. 
2. Gypsum and salt in Manitoba. See MacLean and Wallace. 
WATSON, THOMAS L. 
The rutile deposits of the eastern United States. U.S. Geol. Surv., Bull. 
580, pp. 385-412, 5 figs., 1914. 
WHEELER, ARTHUR O. 
1. Motion of the Yoho glacier. Can. Alpine Jour., vol. 6, pp. 133-138, 1 pl., 
1915. 
2. Robson glacier. Can. Alpine Jour., vol. 6, pp. 139-142, 1 pl., 1915. 
WHITBECK, R. H. 
The St. Lawrence river and its part in the making of Canada. Am. Geog. 
Soc., Bull., vol. 47, no. 8, pp. 584-593, August, 1915. 
WHITE, I. C. 
_ Discussion of Charles E. Decker’s ‘Preliminary paper on recent crustal 
movements in the Lake Erie region.” Geol. Soc. Am., Bull., vol. 26, no. 1, 
pp. 66-67, March, 1915. 
WHITMAN, ALFRED R. 
Structural features of the Porcupine ore deposits. Can. Min. Jour., vol. 
36, no. 19, pp. 589-596, 14 figs., October 1, 1915. 
WIGGLESWORTH, EDWARD. 
The serpentines of Vermont. Boston Soc. Nat. Hist., Proc., vol. 35, no. 3, 
pp. 95-107, pl. 9, 1 fig., July, 1915. 
Witiiams, M. Y. 
1. Arisaig-Antigonish district, Nova Scotia. Canada, Dept. of Mines, 
Geol. Surv., Memoir 60, 173 pp., 2 maps, 1914. 
2. An Eurypterid horizon in the Niagara formation of Ontario. Canada, Dept. 
of Mines, Geol. Surv., Museum Bulletin, no. 20, 21 pp., 5 pls., October 8, 
1915. 
