TABLE OF CONTENTS. vii 



Coal and Petroleum : New Localities, 93 ; New Variety of Coal, 100 ; in 

 Nova Scotia, 100 ; Origin of, 286. 



Fossils : Caves of Altai, 89 ; Kent's Cave, 90 ; Vegetable, in California, 

 102. See also Zoology ; Botany. 



Miscellaneous : Volcanoes, 82 -, Earthquakes, 98 ; Pre-glacial Heat, 85 ; 

 Land Slides, 98 ; Microscope in Geology, 83, 92 , Guano, 101 , Hydro-geol- 

 ogy, 88 ; Artesian Wells, 92 ; Artesian Borings, 92. 



F. GEOGRAPHY 103 



PHYSICAL GEOGRAPHY. 



General Problems, 103; Ocean Currents in general, 113; of the Mediter- 

 ranean, 111 ; Sargasso Sea, 115 , North America in the Pliocene Period, 91 ; 

 Sea-bottom of the Atlantic, 97. 



EXPLORATIONS. 

 The deep Seas : On the Porcupine, 127 ; in the Baltic, 128 ; in the Adri- 

 atic, 126 ; of the School-ship Mercury, 147 ; of the Hassler, 104, 105 ; of the 

 North Atlantic Bed, 126; of the St. Lawrence River, 139; Gaspe, 275; of 

 Vineyard Sound, 140 ; New Jersey Coast, 276 ; in Florida, 277 ; of the Yacht 

 Noma, 273 ; Waters of the Lakes, 141 -, Gulf of Mexico, 274. 



The Arctic Regions : Payer and Weyprecht, 119, 120 ; Rosenthal, 118 ; 

 Russian Geographical Society, 107, 117; Greenland, 123, 124, 125; Nova 

 Zembla, 122; Spitzbergen, 117, Kara Sea, 116, White Sea, 121. The Ant- 

 arctic Regions, 109. 



North America : Alaska, Yukon, Raymond, 138 ; Rocky Mountains, 

 Hayden, 130, 136 ; Marsh, 131 ; Colorado, Powell, 132 ; Yellowstone, Lang- 

 ford, 134; Hayden, 136; California, King, 137 ; Kansas, Cope, 133. Middle 

 America: West Indies, 141. South America, 142, 143; Darien Canal, 

 143 ; Peru, 145 , Brazil, Hartt, 147 ; Demerara, 148. 



Polynesia Marshall Islands, 108 ; Aurora and Sunday Islands, 109. 

 Asia, 117, 127; Madagascar, 128. Africa, Bayne, 130; Schweinfurth, 130. 



G. GENERAL NATURAL HISTORY AND ZOOLOGY 149 



GENERAL NATURAL HISTORY. 

 Microscopy : Diatoms, 227 ,' Coccoliths, 229 ; Bacteria and Fungi, 269 ; 

 Organic Forms in the Air, 269. Origin of Life, 153, 160, 162, 253. Dar- 

 winism or Evolution, 153, 156 ; Natural Selection, 219 ; Natural History 

 Collections of Darwin, 272. 



Scientific Explorations : Gulf of Suez, 274 ; Gidf of Naples, 274 ; Ger- 

 man Ocean, 275 ; Noma, 273 ; Gulf Stream, 276 ; Gaspe, 275 ; New Jersey 

 Coast, 276 ; Vineyard Sound, Buzzard's Bay, 140 ; Florida Coast, 277. See 

 also Geography ; Explorations. 



GENERAL ZOOLOGY. 



Animal Mechanics, 153 ; Mind in the lower Animals, 174 ; Preservatives 

 of decayed Flesh, 529 ; Injuries to Telegraph Cables by Animals, 271, 272. 



ANATOMY AND PHYSIOLOGY. 



The Nervous System : Theory of Nervous Action, 173 ; a Nervous Ether, 

 232 ; Rate of Mental Transmission, 174 ; the Brain, Relation to the Spinal 

 Marrow, 164 ; Difference of Brain in Animals, 240 ; Extirpation of the 

 Brain of a Frog, 204. 



