CONTENTS. 



PAGE 



The Yellow Dye-Stuffs of China and India. ( With an Illustration.) By 



M. C. Cooke . 1 



The Trade in Quicksilver. By the Editor 10 



On the Manufacture of Date Sugar in Bengal. By S. H. Robinson, of 



Calcutta 12 



The Sponge Fishery of the Ottoman Archipelago. By the Editor . 17 



Notes on the Permanent Exhibition of Algerian and other French 



Colonial Products in Paris. By Eugene Rimmel .... 21 



A Good, Wholesome, and Cheap Substitute for Coffee. By Leonard 



Wray . 26 



Paper and Rags in China. By D. J. Macgowan, M.D. . . . .29 



Cape Mastic. By L. Pappe, M.D. 29 



Yellow Poppy Seed Oll 30 



Metropolitan Technological Museums 30 



Observations on the Cultivation of the Vanilla Plant in Bourbon. 



By M. David Floris 33 



On the Collection and Preparation for Market of the Beche de 



Mer or Tripang in the Pacific. By Captain Andrew Cheyne . . 40 

 On the Scientific Culture of the Strawberry. By Leonard Wray . 44 

 Paper Materials patented since the Year a.d. 1800. By M. C. Cooke . 50 

 On the Manufacture of Beet-Root Sugar in Poland. By Lieut. -Col. 



Simmons, R.E., C.B. 58 



Balsam of Peru 59 



Manufacture of Paper in Tasmania 61 



The Royal Society of Edinburgh and the Neill Medal ... 64 



The Red Dye-Stuffs of India. By M. C. Cooke 65 



Mica and its Uses. By the Editor 74 



The Production of and Trade in Bees' -Wax. By the Editor . . 77 



On Nutmeg Culture in the Banda Islands. By Dr Bleeker ... 82 

 The River and Lake Fisheries of North America. By the Editor . . 85 

 Illustrations of Industrial Art and Object Lessons .... 94 

 The Timber of Tasmania— Blue Gum. By Dr Milligan .... 97 



The Trade in Coprolites. By the Editor 103 



Growth of Opium in China ' 106 



The Commercial Value of the White Porpoise of the St Lawrence. 



By the Editor 107 



Paper from Indian Corn Leaves 109 



Professor Shelley on Manufacturing Art Ill 



Tea Substitutes of Mauritius. By M. Louis Bouton 113 



The Nitrate of Soda and Borate Districts of Peru. By Wm. Bollaert, 



F.R.G.S 115 



The Blue Dyes of China and India. By M. C. Cooke .... 121 



Preparing and Cooking Bread Fruit 129 



On the Formation of Local Museums. By William Curtis . . . 130 



Dye-Stuffs of India and China. By M. C. Cooke 132 



A Proposal for the Voluntary Classification of Manufactured and 



Unmanufactured Productions. By Francis Steinitz .... 138 

 Cinnamon Culture in Ceylon. By W. C. Ondaatje . . . .141 



The Sources of Musk. By the Editor 144 



The Ginseng Root of Commerce. By the Editor 148 



The Manufacture of Mock Pearls ........ 150 



