deep. The principal boiling (52) is in the eastern third of the spring and the temperature of the water there is 94° C. In 1908 there was a much smaller boiling spring at this spot, but it was less active— + crater contained no water in the dry season and its activity seemed less than it is now. About six meters up the slope there is another similar spring about six meters long and three meters wide which was not in existence in 1908 and which is new even to M. de La Ron- cière's experience observation, and he is a frequent visitor to the locality. I should say on the whole that there had been no decided