COPAL DIGGINGS. 



277 



the well-known ^^Isandariisi (mentioned by M. 

 Guillain, i. 24, ' le M'sandarouss est un bois dur 

 et resineux, qui donne aussi des pieces de 

 mature), but to some other and unknown genus. 



A fourth mile of gradual rise brought us to 

 a distinctly- defined sea-beach, swelling about 

 100 feet above water, and dimly showing Zanzi- 

 bar Island to the S. East. The material was 

 sand with a slight admixture of vegetable hu 

 mus : the ridge top was crowned with luxuriant 

 thicket, and a line of water-washed quartz 

 pebbles defined the flank. I afterwards found 

 the same at Muhonyera in valley of the Kinga-ni 

 river, where the pebbles strewed the northern 

 slope of the hillock upon which we were en- 

 camped. Captain Speke (Journal, &c., chap, ii.) 

 inspected it on his second journey at the desire 

 of the Royal Geographical Society, to see if it 

 gave indications of a ' raised sea-beach,' and came 

 to the conclusion that ' no mind but one prone 

 to discoverino? sea-beaches in the most unlikelv 

 places could have supposed for a moment that 

 one existed here.' But did he know what a 

 raised sea-beach was, even had he seen it ? He 

 adds, ' there are no pebbles ; ' my only reply is 

 that I picked up specimens, and I find in my 

 Pie Id Book, now deposited with the Royal Geogra- 



