292 The Ottawa Naturalist. [March 



vol, 6, 1872, pp. 19-42, 166 — 187, 241 — 259, 369 — 416. Maps and plates. 

 Montreal. Published as separate, 112 pp. 1872. Montreal. 



0)i the Physical Geography of Prince Edivard Island. Can. Nat. & Quart. 

 Journ. Sci., vol. 6, 1872, pp. 342 — 344. Montreal. 



Notes on the Geology of Pritice Ed7vard Island, in the Gulf of St. La^vrence. 

 Geol. Mag., vol. 9, 1872, pp. 203 — 209. London, Eng-. 



Note on Footprints from the Carboniferous of Nova Scotia in the collection of 

 the Geological Survey of Canada. Geol. Magf., vol. 9, 1872, pp. 251 — 253. 

 London, Eng. 



1873. 



Note on a New Sigillaria, showing scars of fructification. Proc. Amer. 

 Assoc. Adv. Sc, vol, 22, 1873, pt. 2, pp. 75-76. 



On the Geological Relations of the Iron Ores of Nova Scotia. Proc. Amer. 

 Assoc. Adv. Sci., vol. 22, 1873, pt. 2, pp.138 — 146. Ibid. Can. Nat. & Quart 

 Journ. Sci. No. 3. vol. 7, 1873, pp. 129-138. Montreal. 



Impressions and Footprints of Aquatic Animals and hnitative Markings on 

 Carboniferous Rocks, .^mer. Journ. Sci. vol. 5, 1873. pp. 16 — 24. New Haven, 

 Conn. Can. Nat. & Quart. Journ. Sci., vol. 7, No. 2, 1873, pp. 65 — 74. 

 Illustrated. Montreal. 



Note on the Relations of the Supposed Carbon iferozis Plants of Bear Islatid, 

 7vith the Pal ceozoic flora of North America. Quart. Journ. Geol. Soc, vol. 29 

 1873, pp. 24-25. London, Eng. 



Note on the Vindication of Leptophleum ihombicum, and Lepidodendron 

 Gaspianum. Quart. Journ. Geol. Soc, vol. 29, 1873, pp. 369 — 371. London, 

 Eng. 



American Lake Basins and Arctic Currents. Geol. Mag., vol. 10, pp. 

 137-138- 1873. London. 



Fossil Plants of the Lower Carboniferous and Millstone Grit Formations of 

 Canada. Geol. Sur. Can. 47 pp. 10 pi. Montreal. 



On a Sigillaria Shoiving Marks of Fructif cation. Can. Nat. & Quart. 

 Journ. Sci., vol. 7, No. 3, p. 171. (Note.) 



Notes on Prototaxities, Can. Nat. & Quart. Journ. Sci., vol. 7, No. 3, 

 PP- '73 — 178- Montreal. 



Remarks on Mr. Carruthers vie^vs of Prototaxites, Monthly Microsc. 

 Journ,, vol. 10, 1873, pp. 66—71. (Published as a separate pamphlet, 7 pp. 

 August, 1873.) 



On the Introduction of Genera and Species in Geological Time. Quart. Journ. 

 Sci., vol. 3, 1873, pp. 363-366. 



A'ote on Eozoon Canadense. (1871) Proc. Irish Acad., vol. i, 1873-74, 

 pp. 117— 123, 129 — 131. Dublin, Ireland. 



Notes on flie Fossil Plants collected by Mr. J. Richardson in 1872. Geol 

 Survey, Canada, Rep. of Progress for 1872-73, (Appendix I to Mr. Richard- 

 son's Report, pp. 66—71. (Plate.) 1873. Montreal. 



