27 



Ricinus communis, 14 (4), 31 (8) 

 " (botany), 9 (9) 



Ridged Scale, 1897, 149 



Eind Fungus, 1899, 60 



Robinson, Dr. Anthony, on Vegeta- 

 ble Soap, 1899, 71 



Rohuna Bark, 1895, 63 



Eoosevelt, President, on Irrigation, 

 1901, 28 



Root crops, Fertilisers for, 1897, 

 101 



Roots follow moisture, 1901, 51 

 Roots injured by Grubs, 48 (3, 5) ; 



1895, 38 ; 1897, 280 

 Ropes from Fibres, 14 (5) 

 Rose Scale, 1896, 259 



Ross, Dr. on Ensilage without pres- 

 sure, 1900, 35 



Rotatoria, 1902, 101 



Rothamsted Results of the action of 

 Farmyard Manure, 1899, 30 



Rothrock, Dr. J. T., on Forestry, 



1896, 159 



Royal Palm of Cuba, 1894, 192 

 " Palmetto, 3 (3; 



Rubber, Collecting, 1894, 99, 169, 

 183, 184, 186; 1895, 35; 1899, 

 113 ; 1900, 4, 187 ; Concession for, 

 1889, 103 ; Some recent develop- 

 ments in, 1899, 73; in Penang, 

 1899, 114 ; Industry in Nicaragua, 

 1894, 139; Methods of preparing, 

 10 (2) ; 1894, 102, 109, 110, 184, 

 185; 1885, 35 ; 1900, 5, 189; 

 Morris, Sir D., on Rubber, 1898, 

 103 ; Planting, 1898, 37 ; 1899, 

 74; Sources of commercial, 1898, 

 103 



" Assam (Ficus indica), 1894, 

 105 ; 1895, 55 ; 1901, 139 ; Col- 

 lection, 1894, 106; 1895, 56; 

 Effect of soil, &c. on yield, 1894, 

 105; Habitat, 1894, 105; in Ja- 

 maica, 1894, 108 ; 1895, 55; Plant- 

 ing, 1894, 107; Preparation of 

 Rubber in Assam, 1894, 109 ; 

 Yield, 1891, 105 ; 1895, 56 ; 1901, 

 139 



'• Carpodinue, 1898, 104 



" Castilloa, Central American, or 

 Panama, 1894, 169; 1895, 34; 

 1898, 37; 1899, 74, 85 ; 1900, 2, 

 186; 1901, 141; Best districts in 

 Jamaica for, 1895, 34; Climate 

 and Situation, 1895, 34, Collection 

 of Rubber, 1894, 169; 1895, 35 ; 



1900, 4 ; Cost, and probable pro- 

 duction of a plantation, 1900, 5 ; 

 Habitat, 1895, 34; in Guatemala, 

 1900, 3; Preparation of Rubber, 



1894, 169; 1895, 35 • 1899, 85; 

 1900,5; Propagation, 1895, 34; 



1899, 76; Prospects in Jamaica, 



1895, 36; Value, 1895, 36; 1900, 

 7; Yield, 1894, 169; 1895, 36; 



1900, 2 ; 1901, 141 



Rubber, Ceara. (Manihot Glaziovii), 

 1895, 31, 1897. 242; 1898, 37; 



1899, 84; 1900, 186; Best dis- 

 tricts in Jamaica for, 1895, 32; 

 Climate, 1895, 32; Collecting the 

 Rubber, 1895, 32; 1898, 37 ; 

 Habitat, 1895, 31; 1897, 242; 

 in Ceylon, 1895,33; in Jamaica 

 Gardens, 1895, 33; Preparation 

 of Rubber, 1895, 32; 18*9, 84; 

 Propagation, 1895, 32 ; Report on 

 samples, 1895, 33 ; Soil, 1895, 32 



11 Colombian Scrap, or Virgen, 

 1894, 110; Crops, 1894, 110; 

 Habitat, 1894, 110 ; Propagation, 

 1S94, 110; Thomson, Robert, on, 

 1894, 110; Value of, 1894, 111 



" Jamaican or Milk Withe 

 (Forsteronia floribunda), 10 (2), 

 21 (3) ; 1894, 109; 1899, 73 ; 

 Collection of Milk, 1894, 109; 

 Preparation, of, 10 (2); 1891, 

 110; Propagation, 1894, 110; 

 Report, on, 21 (3) ; Soil, &c, 1894, 

 109; Yield, 21 (4); 1894, 110 



" Lagos (Ficus Vogelii), 10 



w 



" Mangabeira (Hancornia spc- 

 ciosa), 1898, .04; 1899, 84; 



1900, 186 



" Para (Hevea spp.), 4 (7) ; 

 1894, 99; 183, 184; 1899, 82; 

 1900, 186; Analysis of latex, 

 1900, 190; Best districts in Ja- 

 maica, 1894, 99 ; Collection of 

 Eubber, 1894, 99, 184, 185 ; 1900, 

 187 ; Habitat, 1894, 99 ; in Brazil, 

 1900, 186 ; in Ceylon, 1894, 104; 

 in Jamaica, 1894, 104; Prepara- 

 tion of, 1894. 102, 184,185 ; 1899, 

 82 ; 1900, 189 : Propagation, 1894, 

 104; Rainfdl, IS94, 99; Soil, 

 1894,99; Temperature, 1 891, 99 ; 

 Yield, 1894, 102 ; 1900, 188 

 Rubus, spp., 18y5, 62, 68, 229 

 Ruellia, tuberosa, (botany) 14 (7) 



