IV. CONTENTS. 



The Native Copper Mines of Lake Superior. By James Douglas 318 



Notes on the Marine Fisheries, and particularly on the Oyster Beds of the 



Gulf of St. Lawrence. By J. F. Whitkavks. F.G.S 336 



The Carnivorous Habit? of Plants. By Dr. Hookkr. C.B., D.C.L 349 



The Theory of Atoms in the general conception of the Universe. By M. Wurtz. 373 



On a Collection of Himalayan Birds. By J. F. Whiteaa'KS, F.G.S 394 



On Fluctuations of Level in Lake Erie. By CoL Chas. Whittlksey 407 



Life on the Deep-Sea Bottom. By Dr. W. B. Carpkntkr, F.R.S 421 



Surface Geology of New Brunswick. By G. F. Matthkw, F.G.S 433 



Notes on some of the Galena or Sulphuret of Lead Deposits connected with 



the Laurentian Rocks of Ontario. By H. G. Vennor, F.G.S 455 



Geological Sketches of the Neighborhood of Hamilton. By J. W. Spencer. . 463 



American Association, Meeting at Portland. 



Address of the President 148 



The Evolution Theory 152 



Calvert's supposed Relics of Man in the Miocene of the Dardanelles 155 



On the Relations of the Niagara and Lower Helderberg Groups of Rocks 

 and their Geographical Distribution in the United States and 



Canada 157 



Breaks in the American Palaeozoic Series. 160 



The Metamorphism of Rocks 162 



On Staurolite Crystals and Green Mountain Gneisses of Silurian Age. . . . 163 



On Circles of Deposition in Sedimentary Strata 163 



The Proximate Future of Niagara 164 



New Theory of Geyser Action as illustrated by an Artificial Geyser 165 



The Chemical Composition of a Copper Ma tte 166 



Embryology of Limulus. with notes en the Affinities 167 



Genitalia and Embryology of the Brachiopoda 168 



On some Extinct Types of Horned Perissodactyles 169 



On a Sigillaria showing marks of Fructification 171 



On the question " Do Snakes swallow their Young ? " 171 



Gbological Society op London. 



The Upper Coal Formation of Eastern Nova Scotia and Prince Edward 

 Island in its relation to the Permian 303 



Natural History Society. 



Annual Meeting 100, 106, 277 



Annual Address of the President 1, 106, 277 



Monthly Meetings 104, 273 



Sommerville Lectures 109, 274 



Reports of Chairman of Council 100, 111, 291 



Reports of the Scientific Curator and Recording Secretary 101, 113, 294 



Treasurer's Statement 102, 119, 299 



Donations to the Museum and Library (1873-74), 275, 276 



Field Day at Isle Perrot 103 



Address to the Governor-General 106 



