( xiii 



rubber — Probable causes and preventive measures — Analyses 

 of black and yellow tacky rubber — Chemical analyses of tacky 

 and sound rubber. 



Chapter XVIII. 



What to do with the Seeds 151 



Number of seeds per tree — Seed characteristics — Value — 

 Seed oil and fat — Meal and cake — Analysis of meal — Cake of 

 Para rubber seed compared with linseed and cotton cake — 

 Packing Para soeds for transport — Experiments at Trinidad 

 and Singapore — Charcoal, sawdust, and Wardian cases. 



Chapter XIX. 



Estimates op Rubber Planters tn Ceylon : Costs of 



Planting Rubber 15C 



Estimate I. by E. Gordon Reeves, Rs. 322-40 per acre at 

 end of 5th year for Matale — Estimate II., by F. J. Holloway, 

 Rs. 283-50 per acre at end of 6th year — Estimate III., 

 Peradeniya District for first two years — Estimate IV., 

 Kalutara District for first six years — Estimate V., Ambalan- 

 goda District for first two years — Estimate VI., Ambalangoda 

 District for first two years in swampy land — Estimate VII. , 

 Ambalangoda District for first two years. 



