LIST OF ILLUSTRATIONS. 



Cultivation and trkparation of Para Rubber. 



Plate. 

 1 



s 



9 



10 

 10 a 

 10b 

 11 

 12 

 13 

 14 

 15 

 15a 

 1(3 

 17 

 18 



19 



24 



26 

 27 

 28 

 29 



Series A. Facing 



Page 

 A Plantation in the Henaratgoda Botanic Gardens . . 1 

 Leaves, flowers, fruits, and seeds of Hevea brasilien- 



sis . . . . 5 



Diagram of latex tubes of Hevea brasiliensis and 



Carica Papaya . . . . . . 7 



Young rubber and Crotalaria striata . . 46 



Manuring young Para Rubber trees. . 45 



Effect of bad tapping . . . . 4!) 



Golledge' s lcnif e . . . . ..51 



Para chisel and knife . . . . 52 



Bowman's and Northway's kui\ es . . . . 55 



Dixon's tapping knife . . 56 



Macadam's comb pricker . . 57 



Macadam-Miller knife . . . . 58 



Vtapping • • . . . . 60 



Herring-bone system .. ..til 



Full spiral system . . . . . . 94 



Centralising the latex from many trees . . ti-'! 



Drip-tins: their construction and application .. 65 



Double and multiple drip-tins .. .. 65 



High tapping at Henaratgoda: baseto50feo< .. 74 



A forked tree at Henaratgoda .. ..79 



A tree tapped on the half-spiral system ; photograph 



taken after 14 lb. of rubber have been extracted 96 

 Tapping the renewed hark after 16 lb. of rubber have 



been extracted in one year . . . . 102 



Latex in setting pans .. .. L09 



Michie-Golledge coagulator .. ..116 



Michie-Golledge scum rubber .. ..117 



Rolling Machinery . . .. .. I HI 



I ►rying biscuil rubber . . . . 122 



Dickson's coagulating and drying machine . . 121 



A rubber washing machine .. .. 132 



Kinds of plantation rubber .. .. 141 



Manufacture of lace rubber .. .. 144 



Illustrations showing hardy characteristics of Hevea 

 brasiliensis ... . . . . 146 



