§ 1. Numbers of positive and negative cases in the three agricultural groups.

The list given in § 3 of the first chapter of this second Part contains the following numbers of agricultural tribes with and without slaves, classified according to the division into three groups we have made in § 2 of the same chapter:

First agricultural group[1].

a1 a1 + c a1 + t Total.
———— ———— ———— ————
Pos. Neg. Pos. Neg. Pos. Neg. Pos. Neg.
North America 6 6
South America 6 9 6 9
Melanesia 2 12 3 1 5 13
Polynesia 1 1
Malay Archipelago 11 4 1 12 4
Indo-Chinese Peninsula 1 1
India 2 3 1 2 4
Bantu tribes 4 1 1 3 1 7 3
Soudan Negroes 1 2 1 2 2
26 37 0 3 8 3 34 43

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Second agricultural group.

a2 a2 + c a2 + t a3 + c + t Total.
———— ———— ———— ————— ————
Pos. Neg. Pos. Neg. Pos. Neg. Pos. Neg. Pos. Neg.
N. America 11 11
S. America 1 2 1 2
Melanesia 1 3 1 3
Polynesia 1 6 1 6
Micronesia 5 5
Malay Arch. 29 1 3 7 2 41 1
Indo-Chin. Penins. 5 5
India 4 4 1 5 4
Bantu tribes 18 6 7 3 12 1 38 9
Soudan Negroes 5 4 4 2 7 4 20 6
Hamitic peoples 2 1 2 4 1
66 43 17 5 26 0 7 0 116 48

Third agricultural group.

a2 a2 + c a2 + t a3 + c + t Total.
———— ———— ———— ————— ————
Pos. Neg. Pos. Neg. Pos. Neg. Pos. Neg. Pos. Neg.
N. America 1 1
Malay Arch. 9 1 9 1
Indo-Chin. Peninsula 1 1
Caucasus 1 1
Bantu tribes 1 1 5 6 1
Soudan Negroes 1 1
Hamitic peoples 2 1 2 1
10 1 3 3 6 0 1 0 20 4

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