DIAMOND* AND CARBONS IN BRAZIL 



279 



point in the bottom, while the lighter particles and the large stones 

 are thrown on the edge of the bowl and are from time to time scraped 

 away with the hand, being examined meantime. While the vision of 





Fig. 5. Six Miners bailing Water that One may collect Cascalho. 



Fig. (i. Final Concentration and Wash-up in Bateias. 



those engaged in this process is very sharp and the}' will frequently 

 yet from investigation I know that by this method many large dia- 



