Uncle Niece Marriage

It is the practice of marriage deceased wife’s sister’s daughter 

• E.g Among South Indian Tribes 

Sister Exchange or Exchange of Females

In this practice a sister or female relatives of the groom is exchanged for the bride. 

Reasons

• In horticultural, egalitarian societies the contribution of women is higher & hence a woman is compensated for other 
• Also when economic aspects dominate, like in societies with dowry /bride price, compensation has to be paid for women i.e Compensatory device in terms of bride price

Example

• Ex. Horticultural, egalitarian societies like TIV of West Africa & Yanamamo of Venezuela – Brazil have high status of women
• Ex – Nirankaris have sister exchange  Due to economic aspect 
• Eg. Urulis, Malapunduram 

Fictive Marriage

Ghost & Mono-sexual m’age among African tribes. 

• e.g – Rodi Marriage Among Gurung Tribe, Nuer Tribe  

Adoptive Marriage

It is the practice in which the family adopt son in law as son & marry daughter to them. 

• e.g ins one Families in Japan

Group Marriage

This concept is related to primitive promiscuity for sexual communism. It refers to a type of m’age in which the right & obligation of m’age r/l are held in common among the group men & women. 

Features

• it is m’age of two or more women with two or more men at a time 
• I.e the marriage in which sets of males & sets of females share equal rights over each other, 

Example – Marquesans of Polynesia

Origin – 

• Classical evolutionist, L.H Morgan held that this was the earliest form of m’age 
• As Group m’age can’t lead to the establishment of well-defined family, so many Ⓟ like Rivers argued this form of m’age never existed in any society.