SAYLES: THE SQUANTUM TILLITE. 175 
Willis, Bailey. 
Paleogeographic maps of North America. 8. Latest Paleozoic North 
America. Journ. geol., 1909, 17, p. 403-405. 
Willis, Bailey, Blackwelder, Eliot and Sargent, R. H. 
Research in China. Carnegie inst. Publ., 1907, 54, 1, part, 1. 
Wolff, J. E. 
The great dike at Hough’s Neck, Quincy, Mass. Bull. M. C. Z., 1882, 7, 
p. 231-242. 
Woodworth, J. B. 
Geological expedition to Brazil and Chile, 1908-1909. Bull. M.C. Z., 1912, 
56, p. 1-138, 37 pls. 
Boulder beds of the Caney shales at Talihina, Oklahoma. Bull. Geol. 
soc. Amer., 1912, 28, p. 457-462, pl. 23-24. 
See Shaler, N.S., Woodworth, J. B., and Foerste, A. F. 
