HINTS AND EXPLANATIONS. aD 
2. Arrinities.—Kindred by marriage. These are of two classes: 
a. Those which arise from the marriage of the relatives of ‘ Self.” 
b. Those which arise from the marriage of ‘ Self.” 
Those classes of kinships will be treated of severally in the order 
above mentioned. 
The personal figures used on the charts are as follows: 
represents a male relative. 
represents a female relative. 
represents a male affinity. 
represents a female affinity. 
represents a female relative of affinity. 
Sb db Xb De DO 
“ Self” is in the center of Chart No. 1, and must be used, as will here- 
after be seen, in one set of questions as a male person, in another set of 
questions as a female person. 
Each relative is paired with an affinity, except in certain cases here- 
after explained. The relatives only are numbered, but the same numbers 
are to be used for the corresponding affinities. 
The relatives on the charts are numbered to correspond with the 
relatives in the schedule. 
RELATIVES. 
From the study of many tribes in North America, it has been found 
necessary to extend the investigation of kinship terms to the group of 
people that may possibly arise from nine lineal generations, four below 
“Self” and four above. All the groups are established within five genera- 
tions, two above “Self” and two below, but the third and fourth below and 
