CONTENTS. 
The Genus Araucaria. By John R. Jackson, Curator, Museum, 
Royal Gardens, Kew ......... 1 
Substitutes for Gutta-Percha „ 12 
Animal Substances used for Writing on. By the Editor . .13 
On the Cultivation of Flax in Canada. By J. A Donaldson . 15 
The Fisheries of Victoria. By G. S. Lang 27 
The Bamboo as a Paper Material 33 
Italian Exhibits at the Dublin International Exhibition . 35 
On the Treatment of Bees in Poland. By Colonel Stanton . . 45 
Natural Capabilities of British Columbia, and Condition of 
its Principal Gold-fields. By Lieut. H. S. Palmer, R.E. . 49 
The Manufacture of Compressed Peat. By C. Hodgson . . 71 
Cultivation of the Mulberry. By A. Martelli .... 73 
Progress of Cotton Culture in Egypt ...... 78 
On Truffles and Truffle Culture. By C. E. Broome ... 79 
The Fibres of Commerce. By the Editor 85 
The Supply of Resin. By the Editor 95 
Wood Pulp for Paper. By the Editor 116 
The Manufacture of Glue .133 
How Paper Collars are Made . . . . . . .135 
The Culture and Use of Teasels. By the Editor . . . .136 
Petroleum Lamps 138 
The Arms Trade of Belgium. By Mr. Barron, Her Majesty's Secre- 
tary of Legation at Brussels . , . . . .143, 202 
The Oak Silkworm of China. By Thomas Taylor Meadows . . 157 
Notes on Coal and Fuel . . . . . . . . 161 
Formosa Camphor 167 
The History of Commerce . s . . . . . .168 
Propagation of Trout in America 179,187,347 
Cleveland Wine 185 
On Torbite (A New Preparation of Peat) and its Uses. By 
D. K. Clark. C.E. . 197 
Steel and the Bessemer Process. By A. L. Holley . . . 210 
Food Products and Chemicals at the Dublin Exhibition . . 218 
Researches on the Juice of the Sugar Cane in Mauritius, and 
the Modifications it undergoes during Manufacture. By 
Dr. leery ..... 231, 298, 341, 363, 420, 468, 506 
The Cultivation of Indigenous Opium in France. By A. Odeph 236, 319 
The Metals in Canada. By Messrs. Wilton and Robb . . . 247 
