On the opposite slope of the ravine from the sacrifice stones are two old dancing platforms, made by digging the earth down on the hillside to form a level area, the lower margin of which is supported by a high wall of heavy stones. Near the platforms, on the steep slope, is a space of a fourth of an acre surrounded by a stone wall; and a row of stones marks and preserves a trail or path from them to the bottom of the ravine, terminating at what seems to be a small reservoir surrounded by stones and earth, with a dam above and to one side of it to shut out storm water.
One hundred and fifty yards up the ravine from the dance platforms are two large artificial depressions in weathered bowlders. They have the appearance of mortars or nut-crushing holes, but are supposed to be for catching water during rains, as it is known that the natives made these miniature reservoirs or catch basins, the water being dipped out into vessels as it accumulated.
HAWAII ISLAND
There are reports of former heiaus, house sites, etc., in and around Hilo, and there are numerous so-called "caves," many of which were used by the earlier natives as receptacles for their dead. The term "cave" is not to be taken in its usual meaning of a cavity due to erosion by water, or the small recesses due to wind scouring. In the Hawaiian Islands it means a tube or tunnel; a hollow space due to gas expansion; or a hole formed by gas or steam expansion or explosion in the lava while it is still soft or flowing; and which is now accessible where the top has fallen in or where it has reached the face of a cliff. These still exist practically as they were at the time of their formation.
Of remains upon the surface, the clearing-up processes necessary for cultivation, and the improvements in and around the towns and villages, have either entirely destroyed them or so defaced them that they are now only shapeless ruins. Most or all of the near-by caves are in lava flows of comparatively recent origin and no reports of interments in them could be definitely verified. Human bones were found in three caves near Olaa, 10 miles from Hilo, but no objects of any sort were with them. The condition of the bones showed they had not been long deposited; in fact, with one skeleton were hobnailed leather shoes, with the bones of the feet still in them.
Three skeletons were discovered in a small cave near the dock in making an excavation for a railway cut. An old man living in the vicinity protested vigorously against any disturbance of them, saying they had been his friends and he had helped bury them. In deference to his sentiment the line of the track was deflected so as not to disturb the spot.
Nearly all of the bones mentioned above were soft and decayed, owing to the water which had percolated through the roof and dripped on them.