138 TlMEHRI. 
" The Journal of John Woolman ;" these three volumes 
presented by T. E. Elkington of Philadelphia. Also a 
pamphlet by Mr. E. H. Glaisher, being the record of his 
" Journey on the Berbice River and Wieroonie Creek." 
Also, by Mr. Russell, his two pamphlets on " Description 
of the manufacture of beet into sugar in Germany," and 
" Reflections on the relative positions of beet-sugar and 
cane-sugar as produced respectively for refining pur- 
poses in Germany and Demerara." 
Meeting held gth April. — The Hon. A. Barr, Presi- 
dent, in the chair. 
Elections. — Members : C. G. Berthon ; W. Douglas. 
Associates : E. G. L. Mason ; B. R. Body ; C. W. Goring. 
The Diffusion Process. — Mr. Russell showed a small 
portion of sugar cane that had been subjected to the 
diffusion process and deprived of every atom of its sac- 
charine property. The cane had been sent from here to 
a firm of beet-sugar manufacturers in Europe and they 
had returned it with all the sugar extracted. He would 
like very much to have the diffusion process thoroughly 
discussed at the next meeting of the Society and he 
hoped that some of our engineers would be prepared with 
a paper on the subject. He (the speaker) would be 
ready to take part in the discussion. It was a most im- 
portant question for the planters. 
The President thanked Mr. Russell for bringing the 
matter into prominence. 
Calcutta Exhibition. — It was then brought to the 
notice of the meeting that the Calcutta Exhibition medals 
(bronze, no gold ones, having arrived) awarded to the 
