268 



DYNAMICAL GEOLOGY. 



of cinders ; the large active cone to the right consists outside and at the 

 top of cinders ; and the small cone at the very top giving out vapors, of 

 cinders alone. The whole height is nearly 4000 feet. 



227. 



If the projected fragments of lava are thrown only to a small height, as 

 is usual at the volcanoes of Hawaii, they descend without cooling and 

 adhere to the surface on which they fall, where they have the appearance 

 of cooled drops, driblets, or incipient streamlets of lava. 



The vapor escaping from the crater, often wrongly called smoke, is chiefly 

 vapor of water, with quantities of other vapors or gases. 



