Mr. Andrew E. Douglass, of the Museum of Natural History, New York, who has spent a number of seasons on the east coast and has published various valuable papers descriptive of his work,[2] reached virtually the same conclusions as ourselves, and we are strongly of opinion that a more thorough investigation of these mounds, though earnestly to be desired, will not be fruitful of results. Another point strongly impressing itself upon us was the almost entire absence of stone (unless coquina[3] may be so termed) in the territory bordering the Halifax, the Hillsboro’ and the Indian rivers, the mounds being entirely free from chips, cores, and other refuse material of chert so abundant in mounds of the St. Johns river. Large fields of shell, denoting aboriginal dwelling sites, are numerous, yet upon them we found not a single arrowhead or fragment of hard stone, while persons cultivating these fields invariably expressed ignorance as to the discovery of stone upon them. Upon similar fields and shell heaps of the St. Johns arrowheads and flint chips are abundant; this absence of stone on the east coast is certainly worthy of remark considering its comparative abundance on a river not over thirty, and at one point only five, miles away. Mr. Douglass has remarked the absence on the east coast of the polished stone hatchet, or “celt,” from mounds south of St. John County, or about where the Halifax river begins, and we have not in our experience learned of the occurrence of this implement on the east coast south of the point referred to by him, though on the St. Johns river a number were taken by us from Thursby Mound, about twenty-seven miles farther south, while one small hatchet was found on the surface not far north of Lake Monroe. Beyond this point, even on the St. Johns, the stone “celt” seemed to be absent with the exception of one rude cutting implement of the polished “celt” type[4] taken by us from the island shell heap known as Mulberry Mound, situate where the St. Johns river leaves Lake Poinsett, about six miles west of Cocoa on the Indian river. As we have said, exhaustive work was not done by us on the east coast and as various lists of the earthworks of that section have already appeared, we shall not go into a detailed account but shall give results obtained in certain of the mounds examined by us which, so far as our investigation has extended, were typical of the whole. Stone House Mound. Mounds at Courtenay (2). Mound at De Soto. Mound at Tropic. Gleason Mound. Low Mounds near mouth of Banana river (2). Mound near St. Lucie river. STONE HOUSE MOUND, VOLUSIA COUNTY