Sixty photo^7-af>hs illustrating the Flora of the Coal Measures, 



by E. A. Ne%vell Ai-ber, Hf.A., F.L.S., F.G.S., Demonstrator 



in Palceobotany in the University of Cambridge 



GOWANS & GRAY, Ltd. 



5 Robert Street, Adelphi, London, W.C. 



58 Cadogan Street, Glasgow 



1909 



