IXDEX OF VOLUMES I TO XX. 7 i 



Notes : vol. facie. 



Temperance Reform ; Effect of Contained Air upon the Boiling- 

 Point ; Astronomical Observations in India ; Foundering of the 

 Calderon ; Necessity of Iron in the System ; Bisulphide of Carbon 

 Engine ; Coloring-Matter of Blood-Corpuscles ; A New Flux ; Law 

 of Variety; Adulteration of Soap; Ancient Mounds; Printing- 

 Chronograph ; Soil Analyses and their Utility ; New Photo-Print- 

 ing Process ; Caterpillar Extermination ; Cholera ; Astronomical 

 Photographs ; Cause of Red Color in White-Lead i 767 



"Wonders of Insect-Structure ; Signs of Eruption in Vesuvius; Saline 

 Solutions on Lead ; New Alloy ; Reproducing Drawings ; Sulphuric 

 Acid in Fermentation ; Coal-Gas and Vegetation ii 128 



Non-inflammable Fabrics ; Paper Lamp-Shades ; Progress of Chem- 

 istry; Coal in Ireland; Heat by Arrest of Lead Bullet ; Paper from 

 Wood; Mimicry in Insects; French Meteorological Observations ; 

 Fungus on the Opium Poppy ; Timber-Planting in the West ; Hops 

 in England ; Correction of Article " Coal as a Reservoir of Power " ; 

 Sulphur from Iron Pyrites, and Manufacture of Sulphuric Acid. . . ii 255 



Volcano of Santorin ; Village on Piles in Java; English Sparrows in 

 Australia; The Dolmens of Algeria; Microscopic Photography; 

 Coal-Mines in Great Britain; Luminosity of Fungi; New Method 

 of printing on Cloth ; Cement from Sewage ii 384 



Huxley's Health ; Australian Beef in New Orleans ; Liquid Glue ; 

 Monster Steam-Hammer ; Collecting Water at Different Depths of 

 the Sea; Impure Water and Diarrhoea; Tin-Foil Substitute for 

 Wall-Paper ; Water-Wagtail caring for Young Cuckoo ; Orange 

 Cultivation in Louisiana ; Iron-Ore in Missouri ; Death of F. Wel- 

 witsche ; Cholera communicated by Water; Brittle Gold; Vol- 

 umes and Manuscripts in Jardin des Plantes ; Whitebait ii 511 



Effective Way of assisting the Poor ; Electrical Machine, Experi- 

 ment ; Malaria ; Beavers in Mississippi ; Potato-Disease ; Sea- 

 Weed ; Cause of Blue Color of the Sky; Compressed Bone-Dust ; 

 Remedy for Echoes in Public Halls ; Duplex Telegraphy ; Spirits 

 from Mosses ; New Safety-Lamp ; Platinum Coinage ii 639 



Mont Cenis Tunnel ; Tobacco and Intellectual Ability ; Horse-Meat 

 in Geneva; Ancient Weather Statistics; Paper for Sausage-Skins; 

 Milk Adulteration; Average Life of Academicians; Borax for 

 Hoarseness; Population of the Globe; White.Heat in Resuscitating 

 in Drowning; Asphalt Pavements; Salmon in Ireland ii 768 



Monument to Priestley; Living Fish sent by Mail; House-Fly carry- 

 ing Contagion ; Plant Sensitive to Sound; A Pauper's Will; Ber- 

 lin's Poor ; Mexican Oysters in California ; English Railway Laws ; 

 Self-Cannibalism in a Cricket ; Substitute for Quinine iii 128 



Population of France; Bromide of Potassium for Convulsions; Oph- 

 thalmia in Pauper Children; Death of OF. Durant; Petroleum in 

 Ecuadjr; Improvement of the Davy Lamp; Double Eiigs; Sun- 

 flower-Oil; A New Magnet; Effect of Oxygen on Fruit ; Effect of 

 Supporting on the Growth of Fruit ; Longevity in England ; 

 Sequoia in England ; Tempering Bronze by Ancient Egyptians ; 

 Nickel in Missouri ; Flour from Potatoes ; Chinese Tin-Foil Deco- 

 ration ; Plumbago in Missouri ; Contents of a Lunatic's Stomach, iii 255 



Russian Castrates ; New Barrel Machinery ; Population of Great 



