175-182
kind of stone found in 177

MONEY CAVE 21

MONROE COUNTY, ILL., explorations in 111

MONROE COUNTY, KY., explorations in 120-121

MONTAUK, cave in vicinity of 19

MONTEAGLE, caves in vicinity of 131

MONTGOMERY COUNTY, TENN., explorations in 123-124

MORGAN CAVE 90

MORGAN COUNTY, explorations in 100

MORRELL CAVE 125-128

MORTARS--
found in caves 39, 74, 77, 78
large stone used as 187

MOSQUITO CREEK, communal burial on 153

MOUNDS--
mentioned by Lewis and Clark 152
not found in Molokai 178
_See_ House mounds; Lodge sites; Village sites.

MUNFORDVILLE, KY., caves in vicinity of 112-113

MUNRO, JAMES, acknowledgment To 175

MURRELL'S CAVE 134

NAPOOPOO, investigations at 184

NATIONAL MUSEUM, objects shipped to 81

NATURAL BRIDGE CAVE 100

"NEBRASKA MAN," theories regarding 157-158

NEMAHA RIVER, mound on, mentioned by Lewis and Clark 152

NEW MADRID COUNTY, MO., mounds of 166

NEWBURG, cave in vicinity of 41

NEWSOM SPRINGS, caves near 134

NIANGUA RIVER, caverns on 89

NICKAJACK, caves near 131

NICKAJACK CAVE 132

NILES, cave near 19

NORTHTOWN, cave in vicinity of 112

OLAA, bones in caves near 182

OMAHA, investigations in vicinity of 156

ONYX CAVES 22, 34-35, 90

ORANGE COUNTY, IND., explorations in 106-107

ORANGEVILLE, caves in vicinity of 107

OSAGE COUNTY, MO., explorations in 98

OZARK REGION, explorations in