THE WHOLE ART OF RUBBER-GROWING 



IX. TREES THAT COUNT CASTILLOA ELASTICA : The 

 Despised Darien Castilloa Elastica Compared 

 with Hevea Character of Latex Method of 

 Tapping 9 2 



X. TREES THAT COUNT FUNTUMIA ELASTICA : A Tragic 

 Story Purely an African Species A Forest 

 Autocrat Ruthless Native Action Prospects 

 and Acclimatisation. ...... 100 



XL TREES THAT COUNT THE NEW MANIHOTS : (a) M. 

 Dichotoma ; (b) M. Piauhyensis ; (c) M. Hepta- 

 phylla. no 



XII. INTERPLANTING : The Catch Crop The Chinese 

 and Tapioca Disappointments The Value of 

 Tapioca Land Gambier, Coffee, Pepper, Cotton, 

 Pineapples, Coconuts, Tea What Experience 

 Teaches 119 



XIII. ASSIMILATIVE AND SECONDARY RUBBERS : Guayule 

 Jelutong The Landolphias Palo Amarillo 

 Ecanda or B'tinga Blikrodea Tonkinensis 

 Mangabeira. . . . . . ... 130 



XIV. CLEARING AND PLANTING FOREST LANDS : Cost of 

 Laying out Estates (i) Hevea Brasiliensis 

 (2) Manihot Glaziovii. . . . . 137 



XV. FUTURE PROSPECTS : Demand for Rubber Pos- 

 sible Plantation Production Planting Must Con- 

 tinue ........ 141 



X VI. THE SOYA BEAN A Chance for the Capitalist. 146 



