Kilaitca J^i'si/ed bv Dana. 



55 



mountain, and it is common in the old flows near Honolulu, and in later flows from 

 Mauna Loa, in Kau. In the crater of Kilauea the olivine is in much smaller particles. 

 In November of the same year, when visited by Dana, the lava had fallen three 

 hundred and forty feet below the black ledge, or nearlj' a thousand feet below the 

 highest wall, and only three pools of lava were in action. Halemaumau was fifteen 

 hundred feet long and a thousand feet wide. The black ledge, three hundred and fortv 



+ 



^^t. ^1!^ 



Fig. 44. THE WILKF.S PLAN OF KII.AUK.\ IN 1S41. 



feet from the bottom, was from one to three thousand feet wide, and extended com- 

 pletely around the crater. No flames were visible, and there was but little noise. ^' 



Unfortunately at the time of Dana's first visit (also at his second in 1S87), 

 Kilauea was not in a spectacular condition and he is rather inclined, not unnaturally, 

 in his treatment of the vivid accounts of his predecessors to regard these as rather 

 exaggerated, hence it is pleasing to find in his latest work the following description :" 

 "In a night scene from the summit, the large cauldron in place of a bloody glare, now 

 glowed with intense brilliancy, and the surface sparkled all over with shifting points 



^ Loc. cit., p. 171. 



"Characteristics of Volcanoes, p. 68. 



[433] 



