n - TABLE OF CONTENTS. 



SECTION III. 



PAGE 



/. The Origin of Crpstallme Rocks, bp T. Stt&uuy HvHT ; 1 



//. On the Density/ and Thermal Expansion of Solutions of Copper Sulphate, by J. G-. 



MacGreCtOR 69 



III. Blowpipe Reaef ion s on Plaster of Paris Tablets, b>/ ¥. Haanel tY 



IV. A Particular Case of Hydraulic-Ram or Water- Ham mer, bi/ C. BaillairgÉ 81 



V. Motes sur un fait météorologique particulier d Québec, par Jj' ABBÉ Laflamme 87 



VI. Essai sur la constitution atomique de la matière, par l'abbé Hamel 91 



SECTION IV. 



I. On some Relations of Geological Work in Canada and the Old World, by Sir J. W. 



Dawson 1 



II. Notes on tlie Manganese Ores of Nova Scotia, by Edwin Gilpin 1 



III. Revision of the Canadian Ranunculaceœ, by George Lawson 15 



IV. On Geological Contacts and Ancient Erosion in Southern and Central Neio Bruns- 



ivick, by L. "W. Bailey 91 



V. Illusfrations of the Fauna of the St. John Group continued : On the Corocoryphea, 



with further remarks on Paradoxides, by Or. F. Matthew 99 



VI. A Historical Account of the Taconic Question in Geology, with a Discussion of the 

 Relations of the Taconic Series to the Older Crystalline and to the Cambrian 



Rocks, Part II, by T. Sterry Hunt 125 



VII. On some Deposits of Tifaniferous Iron Ore in the Counties of Haliburton and 



Hastings, Ontario, % E. J. Chapman 159 



VHI. On Mimetism in Inorganic Nature, by 'El. J. Chapman 161 



IX. Canadian Filiciniœ, by J . Macoun and T. J. W. Burgess 163 



X Note sur certains dépôts aurifères de la Beauce, par l'abbé Laflamme 22t 



XI. Note sur un gisement d'émeraude au Saguenay, par l'abbé Laflamme 2-31 



XII. Notes on the Occurrence of Certain Butter/lies in Canada, by W. Saunders 233 



XIII. Note on a Decapod Crustacean from the Upper Cretaceous of Higliu'ood River, 



Alberta, N.W.T., by J. F. Whiteaves 23t 



XIV. Description of a New Species of Ammonite from the Cretaceous Rocks of Fort St. John, 



on the Peace River, by J . F. Whiteaves 239 



ABSTRACTS IN SECTION IV. 



/. The Geology and Economic Minerals of Hudson Bay and Northern Canada, by 



Robert Bell 241 



II. Notes on Observations, 1883, on the Geology of the North Shore of Lake Superior, by 



A. E. C. Selwyn ., 245 



