400 



1FnMa*1Rubber Culture in 



IX 



STATISTICAL DATA RELATING TO RUBBER. 



It seems proper to conclude this paper by giving some statistics 

 which will tend to demonstrate the importance of the production of, 

 and trade in, rubber. 



The following figures, taken from the article on " Caoutchouc," in 

 Appletori s New American Encyclopedia^ show the import and export of 

 rubber to the United States, from June 30, 1856, to June 30, 1857. 



1856. 



Import of manufactured rubber .... $97,796 



Export of crude rubber 1,045,576 



Total 



Re-export of manufactured rubber ................... 



Re-export of crude rubber .......................... 



Export of rubber shoes in 1856, 685,220 pairs ; in 1857, 

 537,328 pairs .................................. 



Export of other rubber articles ...................... 



$18,379 

 120,802 



427,936 

 665,602 



Total export from the United States ...... $1,232,719 



1857- 

 $180,585 

 832,058 



$1,012,643 



$62,593 

 64,491 



312,387 



770,596 



From January i, to June i, 1857, England imported 5433 quintals 

 (cwt.) of rubber, and for the same period in 1858, 9115 quintals 

 (cwt.). 



In the article on Para, in the same Encyclopaedia, it appears that the 

 export of rubber from that place, in 1856, was 4,696,829 pounds. 



In the report already quoted, on the commercial relations between 

 the United States and foreign nations, for the year ending the 3oth of 

 September, 1870, the following data are given (page 65) on the export 

 of rubber from Para during 1869: 



In the same report is found the following very important table, 

 showing the annual export of rubber from Para, from 1851 to 1870: 



