CHAPTER IV.
AGRICULTURAL TRIBES.

§ 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.
[In this paragraph we shall use the same abbreviations as in Part II, Chap. I, § 3.]

	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
TOTAL	26	37	0	3	8	3	34	43

Second agricultural group

	a2		a2 + c		a2 + t		a2 +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
TOTAL	66	43	17	5	26	0	7	0	116	48

Third agricultural group.

	a3		a3 + c		a3 + 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
TOTAL	10	1	3	3	6	0	1	0	20	4