STRUCTURE OF CORAL REEFS. 



133 







.■•''-': 











>'*' 



<k 





f 



"?*< 



i» 







\A" 



|'i 









./ 



ft 









/,}' 





K, 







/ 



L.r 





1 I 



G... 







f\ 



\v 







/J 



s* 1 



'\ 





(9 4 



ff" 



■■t 





)%& 

















€\ c 



-<!.J 







w 









U-9 \ 



\ 







fit jj£» 



H 







umk' 



1/ 







!?'.> /«> 



NT?'" 



NEW CALEDONIA. 

 9«« i>zcfe to 60 miles. 



