78 



FUNAFUTI ATOLL. 



very considerably in composition from that of the white pumice 

 found either at Bondi or Funafuti. 



It would perhaps be of interest to append these analyses for 

 comparison. 



White Pumice, Bondi. 



Moisture at 100 1-818 



SiO 3 68-149 



A1 3 S 16-493 



Fe 3 O 8 3-255 



MnO -256 



CaO 4-005 



MgO ... ... ... ... ... none 



Na 8 3-881 



K a O 1-59.0 



99-447 



Krakatoa, 1883. 



99-35 



No. 2 

 2-74 



65-04 



14-63 

 4-47 

 2-82 



trace 

 3-34 

 1-20 

 4-23 

 97 



9944 



No. 3 



2-12 



68-06 



15-03 



28 



3-66 



trace 



2-71 



81 



4-25 



3-41 



38 



100-71 



NOTE. No. 1 by Sauer, No. 2 by Eenard, No. 3 by K. Oebbeke.- 

 Journ. Chem. Soc., 1884, pp. 974-5. 



