482 



India-Rubber Annual Statistics. 



Export from Para and Manaos — Quantities are in Kilograms — 

 for 1900. 



Ex- 



Europe. 



United 



Total Ex- 



Stock on th( 



ports. 



States. 



ported. 



31st Dec. 



1900 



14,313,996 



12,434,667 



26,748,663 



931,000 



1899 



",55^691 



13,878,318 



25,430,009 



901,000 



1898 



12,078,742 



9,830,265 



2 1 ,909,007 



1 ,336,000 



1897 



10,913,464 



1 2,620,858 



22,536,322 



943,000 



1896 



12,556,424 



9,045,450 



21,601,874 



1,062,000 



1895 



9,518,171 



11,251,410 



20,769,581 



687,000 



1894 



9,012,658 



10,461,030 



19,473,688 



846,000 



1893 



7,785,270 



11,344,929 



19,130,199 



1 ,705,000 



1892 



7.077. 6 23 



"43*1559 



18,509,182 



919,000 



1891 



6 >957> 8 77 



10,831,528 



17,789,405 



1,447,000 



Rubber Planting in Costa Rica. 



We draw attention to an interesting letter on his subject given 

 in our daily issue and Tropical Agriculturist from Mr. Edward 

 COLES, son of the late Rev. S. COLES, C. M. S., who has for many 

 years, been settled as a coffee and cacao planter in Costa Rica. 

 He deals today with Rubber and shows that in one district or valley 

 as many as 600 hectares or 1,500 acres have either been planted, 

 or are in course of preparation for planting. Labour, however, 

 must be a difficulty as compared with Ceylon, the Straits or India, 

 both as regards supply and price. Some interesting particulars are 

 given by Mr. COLES. Planting Rubber trees at 20 to 30 feet apart 

 is about the rule observed in Ceylon when Rubber is put among tea 

 or cacao. We suppose when put in alone the distance between 

 trees is less? We believe San Carlos Valley, Mexico, must be 

 about 20 degrees North latitude as compared with 6 to 8 in our 

 Ceylon Rubber planting districts. 



The annals of the Royal Botanic Gardens, Peradeniya, of May, 

 contains among other interesting articles one on Analyses of Ceylon 

 Rubber and one on Jack Milk. The last part of the Analysis will 

 be interesting to planters. 



From the planter's point of view the chief lesson to be learnt 

 from Mr. Parkin's work and the above analyses is to practise the 

 greatest possible cleanliness in collecting and preparing rubber ; 

 any rubber dried on the tree or otherwise contaminated will sell 

 for a much lower price as " scrap" or "negro-head." Mr. Parkin's 

 method of collection in separate tins under each cut and placing 

 water in the tins the great bulk of the milk can be brought in in the 

 liquid condition and filtered, and can then be treated in clean tins, 

 with or without acid, as local experience shows to be suitable. 

 Quick drying is advantageous, but excessive heat must be avoided, 

 as under its influence the rubber becomes sticky and loses most of 

 its value ; sample 5, winch was dried on the tree in more or less 

 sunlight, was thus deteriorated. It is shewn by a French chemist 



