BY B. SAWYER AND E. C. ANDREWS. 



93 



the face of a cliif some 300 feet high, and opening on to what at 

 one time was the old channel of the Singatoke; the other entrance 

 being on the flat land above the cliff. Both approaches are 

 hidden by dense growths of palms, vandras, etc. 



Fig. 1. — Section of Limestone containing Singatoke Eiver Cavern. 



1. — Dense red limestone. 



2. — Calcareous mudstone. 



3. — Coral band (reef). 



4. — Eed and yellow limestone (granular). 



The cave, as far as we could explore it, was 250 yards in length 

 (measured by chain), and very rough in nature. It consists of a 

 series of lofty chambers connected by narrow tunnels, and tiny 

 apertures through which it was at times very difficult to force a 

 way. 



