census taking 3, 189, 190, 204–14, 205, 210
Central Yup’ik 260–1
Chaucer, Geoffrey 125, 164
childhood 21–2, 48, 49, 52, 60, 142, 150, 184, 189, 202–3
chimpanzee 17–18, 29, 32, 57
China 98, 136, 142, 148
counting boards in 141
counting rods in 188–95, 192
Homo sapiens spread into 43
number symbols and 187, 188–95, 192
paper and 150
soroban in 197, 199, 202
Tongan counting systems and 250
weather journals in 175
Chrisomalis, Stephen 183, 184
Chumash 264
cipher 159, 168–71
ciphering books 168–71, 181
clam 248, 262, 264–5, 267
clay 1, 51, 71–83, 75, 85, 90, 107, 136, 256, 257
Clever Hans 15–16
cloth, counting 126
Coast Miwok 264, 265
coins
counting 92–8, 93
counting boards and 124, 127, 129, 130, 131, 132
Greek 2, 103, 106, 109–11, 112, 119, 120
Indian number symbols and 140, 148, 193
Oksapmin and 235, 242, 243
computer 214, 217–18, 219
Computing-Tabulating-Recording Company 212
Coptic 98
Cordoba 157, 160
Cosquer, La Grotte 47–56, 47, 57, 73
costs, counting 262–9, 263
counter cultures 99–133
Athens 2, 101–11, 103, 132
counting boards and see counting boards
Indian number symbols see India
Roman Empire 112–17, 113
