35 



(20). 1908. Eastman, Charles R. Devonian Fishes of Iowa, etc. Iowa Geological Survey, 

 vol. XVIII. 



(21). 1909. Ells, R. W. Bituminous Shales of Nova Scotia and New Brunswick; with notes 

 on the Geology of the Oil-Shales of Scotland. Summary Report of the Geolo- 

 gical Survey Branch of the Department of Mines for the year 1908, p. 132. 



(22). 1909. Lambe, Lawrence M. Albert Shales Fish Fauna. Ibid, p. 176. 



