7 o THE POPULAR SCIENCE MONTHLY. 



VOL. PAGE 



Niger, Source of the (Misc.) xvi 860 



Night-Schools in New York and Paris. A. H. Ehine xvii 681 



Nile, The, and its Ancient Channels (Misc.) xvii 861 



Nisbet, 0. Pessimism and its Antidote xi 682 



Nitchy, F. A. Trade, First Stagnation of (Cor.) xii 106 



Nitrifying Organism (Misc.) xiii 638 



Nitrogen, Absorption of, by Plants (Misc.) x 510 



of the Soil (Misc.) v 765 



used by Plants, Source of the (Misc.) viii 503 



Nordenskjold's "Work (Misc.) xvi 137 



Nordhoff, W. Hanoverian Village Life xvi 467 



Normal Schools. Agassiz's Penihese School of Natural History (Ed. Tab.) iii 113 



Northern Exploring Expeditions (Misc.) i 508 



Norton, H. B. Ice, The Age of. xv 833 



Ice, The Age of (Cor.) xvi 534 



Nostalgia. F. Papillon v 215 



Notation, Curious Systems of. T. F. Brownell xiii 420 



Notes : 



Mechanism of Thought ; Aerial Navigation ; Explanation of Show- 

 ers of Blood ; Value of Vaccination ; Nitrate of Ammonia in Res- 

 piration ; Dr. Livingstone ; Lead-Poisoning by Hair-Dyes i 128 



Reproduction of Elbow-Joint after Resection ; Failure of Oxygen- 

 Light in Paris ; Apparent and Real Death ; Snakes in the Na- 

 tional Natural History Collection ; Fossil Skeleton of a Man near 

 Meudon ; Petroleum as Fuel ; Wastefulness of Iron Furnaces ; A 

 new Ship-Light; Tannate of Quinine instead of the Sulphate; 

 Mammoths found in Siberia ; "Water-proofing Leather ; Sir H. 

 Davy ; Benzole and Benzine ; A Pianist's Memory ; Bread made 

 with Sea-Water for Dyspeptics ; Anassthetics in Veterinary Sur- 

 gery ; Removal and Replacement of a Tooth ; Curious Case of 

 Sweating; Photographs of the Sun; Arsenic in Carpets; Chest- 

 Development due to Gymnastics; Lithofracteur in Wrecking; 

 Large Earth-Worms ; Fossil Horses ; Opposition to Vaccination. . . i 253 

 Hatching Fish-Eggs ; Catoptric Lamps ; Exposure of Spiritualist 

 Tricks ; Shellac Cement ; Coloring-Matter in Fungi ; Resistance of 

 Living Muscle to Electric Current ; New Fossil Fish ; Insoluble 

 Glue; Church-Bells from Cannon; Action of Light on Minerals; 

 Grain Storage ; Morphia in Cholera ; Horned Frog ; Disposal of 

 the Dead ; Ostrich Copper-poisoned ; Death of Professor von 



Mold ; Earthquakes i 383 



The Three States of Matter ; Iodine in Sea- Water ; The Weather and 

 Condition of the Insane; Animal Charcoal; Temperance Question 

 in France ; New Safety-Valve ; Machine for fattening Fowls ; Ex- 

 cessive Use of Tobacco; Energy required to raise Water 1 ; Join- 

 ing Pieces of Caoutchouc ; Influence of Atmospheric Pressure on 



Animals ; Gold Medals to Grandidier and Ilouzeau i 511 



Prize for Essay on Dynamic Electricity; Statue to Harvey; Revolu- 

 tion of the Sun ; Carbonic Acid in Air; Effect of Alcohol on Fowls; 

 Number of Eggs a Hen can lay ; Observations of the Higher At- 

 mosphere; Introduction of Salmon in the Delaware; Rate of 

 Transmission through the Cable; Young Shad in Lake Champlain. i 640 



