Fig. 6. 1916. Relations of conduit pond N.W. to lake streaming and growth of crag-mass. 

 Photos J^ggar.^ 1916. Interior of Halemauman from the north. N.W. pond overflowing on the 

 ri-ht rising crag-mass in middle, outward streaming of lake from W arm on the left Note Y 

 form of the lake and tilting of crag-mass toward the region of overflooded bench. Depression 

 345 feet (105 m.). Left photo with deep yellow filter, showing bright lines. 



(6) Dec. 15, 1916. Mature crag-mass looking W. The summit pinnacle 

 larger islet in fig. 3b. Lake depression 138 ft. (42 m.) 



Am. Jour. Sci.— Fourth Series, Vol. XLIV, No. 261.— Seitember, 1917. 

 13 



is identical -with 



