Smithsonian Report, 1 902.— Russell 



Plate II 



~\' 





> ';' 





nioH 10-- i^u p.m: 



-fnirr^ n\r^^ 'i<^-y. 



Fig. 1.— "Vapor of Quiescence" Rising from Mont Pelee on May 30 to a 

 Height of 6 Miles. 



Drawn by (k'or.ne Variaii. ];ri>uliliNli(il inmi Mi-CIurc's Ma,L;a/.in<'. 



Fig. 2.— Section through an Ash-geyser Cone. 



After George Carroll Curtis, A. Ked-rock; B. old flood plain: C, fine cjecta. h<it bowlders, 

 etc.; D. pone composed of conseetitive layers of coarse and fine (jrcta: K, vent or pipe 

 through Mhieh steam explosions accompanied by ejecta occur. 



