INITIATION RITES: Puberty rites. As used in this paper, the ceremonies by which a boy on “becoming of age” is admitted to adult membership in the tribe. Somewhat simpler rites are performed for girls also in some tribes. INSIGNE: (Plural _insignia_) Any artifact worn by primitive people as a symbol of rank or class, birth (in a particular family), office, priesthood, or of individual prowess. INSTITUTIONS: See Social Structure. JEWELRY: Any object other than insignia, paint, or clothing worn by primitive man as personal adornment. KINCAID COMMUNITY: The site of a Middle Phase village, mounds, fortifications and other cultural remains in Pope and Massac counties, Illinois, on the Ohio River a few miles above Paducah, Kentucky. LAKE BAIKAL: A large inland lake in the south of Siberia. Pottery from the surrounding region resembles generalized Woodland ware, especially that of the Initial Phase. LINEAGE: The social group (including dead persons) whose members are descended from some certain or mythical ancestor, either male or female as the custom prevails, and which considers itself a distinct social unit. (See also Extended Family.) LITHIC: A term employed in this paper as embracing cultures roughly equivalent to those of the Self-Domestication Stage, but without pottery. MANA: Superhuman power that primitive man believed to reside in certain inanimate objects, in certain persons at times and in spirits, that under suitable conditions could be transferred either wholly or in part to other objects or persons. Improperly handled it was a source of grave danger. MIDDLE PHASE: The archaeological term for the highest development of the Mississippi pattern in the United States. In Illinois it is represented by the Cahokia and Cumberland subcultures. MISSISSIPPI: The major archaeological pattern that succeeded the earlier Woodland in most of the United States east of the Rocky Mountains and High Plains and that was still in existence in some parts of this country as late as 1700 A.D. It is characterized by relatively intensive plant-raising, political government, walled villages, temples (or sacred groves) and a priesthood, semi- to permanent dwellings, pottery of varied shapes, with globular bodies and secondary features, the bow and arrow. MODOC ROCK SHELTER: An ancient settlement of Archaic peoples in Randolph County, Illinois, dating from 8000 to 2100 B.C. See Bibliography under Deuel, and Fowler and Winters. MOUND: Any rise or hill of earth and/or stone that resulted from some activity of man, such as refuse mound, shell mound, burial mound, temple mound, etc. See BURIAL, EFFIGY, TEMPLE. MOUND BUILDERS: A term having little significance, meaning any group that erected mounds. In American archaeology it sometimes refers specifically to Hopewellians, to Mississippians or to both.