& 



GEOLOGICAL SURVEY OF CANADA. 



FOSSIL PLANTS 



OF THE 



♦ 



DEVONIAN AND UPPER SILUEIAN FOEMATIONS 



OF CANADA, 



% 



* 



BY W: 'jL --'V 



^fr, J. W. DAWSON, LL.D., F.R.S., F.G.S. 



»• 





,^ WITH TWENTY PLATES. ♦ 



■ ' .9 



■■i:*- 



, , ■ Hlonlrcal: 



v-\ ^.,'. ■■■:: . 4,* •-/^■.' '^ '• *• 



DAWSON BROS. '-- 



LONDON:— SAMPSON LOW, SON & MARSTON. 



, 1871. 



* 



