APPENDIX. hundred yards in diameter, almost circular. The thick bushes were growing almost to the water's edge, and bowing their heads stepped into a skiff fishes attracted my strike them. The under its unrippled surface. and pushed off. Some immense attention, and I seized a spear to boatman laughed, and asked me hbw far below the surface I supposed they were. I answered, about four feet. He assured me that they were at least twenty feet from me, and it was so. The water is of the most marvelous transparency. I dropped an ordinary pin in the water, forty feet deep, and saw its head with perfect distinctness as it lay on the bot- tom. As we approached the center, I noticed a jagged, grayish limestone rock beneath us, pierced with holes; through these holes one seemed to look into unfathom- able depths. The boat moved slowly on, and now we hung trembling over the edge of the sunken cliff, and far below it lies a dark, yawning unfathomable abyss. From its velocity, mouth, I which is it shining think the confident from the gorge comes a living river. dropped a te there 190 feet on the bottom water possesses that the piece top of a tower ] toward the north side, al pouring forth, with immense Pushing on just below its n-cent piece into the water, in depth, and I clearly saw a. This seems incredible. I s a magnifying power. I am could not be so plainly seen 190 feet high. We rowed on nd suddenly we perceived the water, the fish which were darting hither and thither, the long flexible roots, and the wide, luxuriant grasses on the bottom, all arrayed in the most brilliant pris- matic hues. The gentle swell occasioned by the boat 1