Tablets, Perforated, Forms of 264 , made of shell 264, 267 , Manner of burial of 265 , Method of attachment of 266 , Perforations of 265 , Theories of use of 264 , Undetermined character of 264 Time symbols, Probable use of shell disks as 268, 273, 278 Tomlinson, A. B., describes shell plate 264 Trill, C. F., Drawings made by 251 Troost, Dr. Gerard, Shell objects collected by 224 Tweezers of shell 212 Unio shells obtained from mounds 190 used as implements 190, 205 utensils 190, 199 in manufacture of beads 223 ornament 260 spoons 199 Velie, J. W., Shell pendants collected by 208 Vessels, artificially shaped 192 , Engraved shell 193 in clay imitating shells 198 , Manufacture of shell 194, 196 , Natural shells 190 of the Mound Builders 194, 196 used by the Florida Indians 193 Moquis Indians 193 in Mexico 192 Wampum, Antiquity of use of as currency 234 as currency 234 , Derivation of the word 238 in costumes 232, 234 , Literature of 241, 248 , Manufacture of 226, 236 , by whites 238 , Mnemonic use of 240, 254 , Modern use of 239, 252 , Origin of mnemonic use of 240 , Symbolic uses of 241, 248 , Use of, in strings 243, 248 treaties and councils 242 , on Pacific Coast 239 , Varieties of beads used as 247 Weapons of shell 210 , Manner of hafting 211 Whipple, Lieut. E. W., Necklace obtained by 220 Whiteley, Colonel, Shell gorgets procured by 303 Whitney, J. L., describes shell plate 265 Williams, C. F., Shell gorgets collected by 282 Williams, Roger, on the name wampum 239 use of shell money 236 Wood, William, describes shell pendants 256 , mentions shell implements 205, 207 ornaments 232 Wyman, Jeffries, describes shell celt 204 gorgets 289 pins 216 vessel 196 weapons 211 CORRECTIONS: