§ 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 |
[[Contents]]